Light documentation dusting from patch provided by John Horne.
[exim.git] / doc / doc-txt / ChangeLog
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7d9f747b 1$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.624 2010/06/06 01:35:41 pdp Exp $
495ae4b0
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2
3Change log file for Exim from version 4.21
4-------------------------------------------
5
97fd1e48 6Exim version 4.73
ed7f7860 7-----------------
97fd1e48
PP
8
9PP/01 Date: & Message-Id: revert to normally being appended to a message,
10 only prepend for the Resent-* case. Fixes regression introduced in
11 Exim 4.70 by NM/22 for Bugzilla 607.
12
6901c596
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13PP/02 Include check_rfc2047_length in configure.default because we're seeing
14 increasing numbers of administrators be bitten by this.
15
a8c8d6b5
JJ
16JJ/01 Added DISABLE_DKIM and comment to src/EDITME
17
77bb000f
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18PP/03 Bugzilla 994: added openssl_options main configuration option.
19
a29e5231
PP
20PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
21
22PP/05 Bugzilla 834: provide a permit_codedump option for pipe transports.
23
55c75993
PP
24PP/06 Adjust NTLM authentication to handle SASL Initial Response.
25
453a6645
PP
26PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
27 without a peer certificate (I believe), leading to a segfault because of
28 an assumption that peers always have certificates. Be a little more
29 paranoid. Problem reported by Martin Tscholak.
30
8544e77a
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31PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
32 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
33 NB: ClamAV planning to remove STREAM in "middle of 2010".
34
83e029d5
PP
35PP/09 Implemented reverse_ip expansion operator.
36
ed7f7860
PP
37PP/10 Bugzilla 937: provide a "debug" ACL control.
38
7d9f747b
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39PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
40
55c75993 41
465e92cf
JJ
42Exim version 4.72
43-----------------
44
453a6645
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45JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
46 $data_path, and $header_path variables; fixed documentation bugs and
47 typos
465e92cf 48
453a6645
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49JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
50 exipick to access non-standard spools, including the "frozen" queue
51 (Finput)
edae0343 52
9bd3e22c
NM
53NM/01 Bugzilla 965: Support mysql stored procedures.
54 Patch from Alain Williams
55
bb576ff7
NM
56NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
57
5a1a5845
NM
58NM/03 Bugzilla 955: Documentation fix for max_rcpts.
59 Patch from Andreas Metzler
60
981a9fad
NM
61NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
62 Patch from Kirill Miazine
63
7fc497ee
NM
64NM/05 Bugzilla 671: Added umask to procmail example.
65
1a41defa
JJ
66JJ/03 installed exipick 20100323.0, fixing doc bug
67
a466095c 68NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 69 directory. Notification and patch from Dan Rosenberg.
a466095c 70
94a6bd0b
NM
71TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
72
73TK/02 Improve log output when DKIM signing operation fails.
74
75MH/01 Treat the transport option dkim_domain as a colon separated
76 list, not as a single string, and sign the message with each element,
77 omitting multiple occurences of the same signer.
78
c1b141a8
NM
79NM/07 Null terminate DKIM strings, Null initialise DKIM variable
80 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 81
b26eacf1 82NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
83 Patch by Simon Arlott
84
179c5980 85PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 86 MBX locking. Notification from Dan Rosenberg.
179c5980 87
9bd3e22c 88
7c6d71af
NM
89Exim version 4.71
90-----------------
91
7d9f747b 92TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 93
f013fb92
NM
94NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
95
0eb8eedd
NM
96NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
97
663ee6d9
NM
98NM/03 Bugzilla 847: Enable DNSDB lookup by default.
99
177ebd9b
NM
100NM/04 Bugzilla 915: Flag broken perl installation during build.
101
7c6d71af 102
210f147e
NM
103Exim version 4.70
104-----------------
105
cdd3bb85 106TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 107 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
108
109TK/02 Write list of recipients to X-Envelope-Sender header when building
110 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 111 Hirsch).
cdd3bb85
TK
112
113TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
114 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 115 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
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116
117TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
118 by Mark Daniel Reidel <mr@df.eu>.
119
210f147e
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120NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
121 When building exim an external PCRE library is now needed -
122 PCRE is a system library on the majority of modern systems.
123 See entry on PCRE_LIBS in EDITME file.
124
deafd5b3
NM
125NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
126 conversation. Added nologin parameter to request.
7d9f747b 127 Patch contributed by Kirill Miazine.
deafd5b3 128
089793a4
TF
129TF/01 Do not log submission mode rewrites if they do not change the address.
130
5f16ca82
TF
131TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
132
dae9d94e 133NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 134 log files in place. Contributed by Roberto Lima.
dae9d94e 135
7d9f747b 136NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 137
06864c44
TF
138TF/03 Bugzilla 615: When checking the local_parts router precondition
139 after a local_part_suffix or local_part_prefix option, Exim now
140 does not use the address's named list lookup cache, since this
141 contains cached lookups for the whole local part.
142
65a7d8c3 143NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 144 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 145
23510047 146TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 147
7d9f747b 148NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 149
7d8eec3a 150NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 151 Patch provided by Jan Srzednicki.
6c588e74 152
89dec7b6
TF
153TF/05 Leading white space used to be stripped from $spam_report which
154 wrecked the formatting. Now it is preserved.
5f28a6e8 155
a99de90c
TF
156TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
157 that they are available at delivery time.
158
e2803e40
TF
159TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
160
7199e1ee
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161TF/08 TLS error reporting now respects the incoming_interface and
162 incoming_port log selectors.
163
e276e04b
TF
164TF/09 Produce a more useful error message if an SMTP transport's hosts
165 setting expands to an empty string.
166
ce552449 167NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 168 Patch provided by Phil Pennock.
ce552449 169
e765a0f1 170NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 171 Patch provided by Richard Godbee.
e765a0f1 172
4f054c63 173NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 174 acl_smtp_notquit, added index entry.
4f054c63 175
7d9f747b
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176NM/09 Bugzilla 787: Potential buffer overflow in string_format.
177 Patch provided by Eugene Bujak.
24c929a2 178
7d9f747b
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179NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
180 accept(). Patch provided by Maxim Dounin.
cf73943b 181
b52bc06e 182NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 183 Patch provided by Phil Pennock.
b52bc06e 184
447de4b0
NM
185NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
186
4c69d561 187NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 188 Patch provided by Brad "anomie" Jorsch.
4c69d561 189
d5c39246 190NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 191 Patch provided by Dean Brooks.
9b989985 192
0b23848a
TK
193TK/05 Add native DKIM support (does not depend on external libraries).
194
8f3414a1 195NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 196 Patch provided by Graeme Fowler.
e2aacdfd 197
fb6f955d
NM
198NM/16 Bugzilla 851: Documentation example syntax fix.
199
200NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 201
7d9f747b
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202NM/18 Bugzilla 894: Fix issue with very long lines including comments in
203 lsearch.
dbb0bf41 204
7d9f747b
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205NM/19 Bugzilla 745: TLS version reporting.
206 Patch provided by Phil Pennock.
f3766eb5 207
7d9f747b
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208NM/20 Bugzilla 167: bool: condition support.
209 Patch provided by Phil Pennock.
36f12725 210
7d9f747b
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211NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
212 clients. Patch provided by Phil Pennock.
e6060e2c 213
7d9f747b
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214NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
215 Patch provided by Brad "anomie" Jorsch.
5eb690a1 216
7d9f747b
PP
217NM/23 Bugzilla 687: Fix misparses in eximstats.
218 Patch provided by Heiko Schlittermann.
d5c13d66 219
7d9f747b
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220NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
221 Patch provided by Heiko Schlittermann.
b2335c0b 222
7d9f747b 223NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 224 plus update to original patch.
f4cd9433 225
7d9f747b 226NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 227
7d9f747b
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228NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
229 Patch provided by David Brownlee.
8dc71ab3 230
7d9f747b 231NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 232
7d9f747b 233NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 234
7d9f747b 235NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 236
7d9f747b 237NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 238
17792b53 239NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 240 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 241
7d9f747b
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242NM/33 Bugzilla 898: Transport filter timeout fix.
243 Patch by Todd Rinaldo.
52383f8f 244
7d9f747b
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245NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches.
246 Patch by Serge Demonchaux.
5ca6d115 247
7d9f747b
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248NM/35 Bugzilla 39: Base64 decode bug fixes.
249 Patch by Jakob Hirsch.
baee9eee 250
7d9f747b 251NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 252
7d9f747b 253NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 254
7d9f747b 255NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 256
7d9f747b 257NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 258
deafd5b3 259
47db1125
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260Exim version 4.69
261-----------------
262
4b3504d0
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263TK/01 Add preliminary DKIM support. Currently requires a forked version of
264 ALT-N's libdkim that I have put here:
265 http://duncanthrax.net/exim-experimental/
266
267 Note to Michael Haardt: I had to rename some vars in sieve.c. They
268 were called 'true' and it seems that C99 defines that as a reserved
269 keyword to be used with 'bool' variable types. That means you could
270 not include C99-style headers which use bools without triggering
271 build errors in sieve.c.
272
81ea09ca
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273NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
274 as mailq or other aliases. Changed the --help handling significantly
275 to do whats expected. exim_usage() emits usage/help information.
276
f13cddcb
SC
277SC/01 Added the -bylocaldomain option to eximstats.
278
7d9f747b 279NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 280
7d9f747b 281NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 282
7d9f747b 283NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
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284
285
eb4c0de6
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286Exim version 4.68
287-----------------
288
289PH/01 Another patch from the Sieve maintainer.
290
6a3bceb1
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291PH/02 When an IPv6 address is converted to a string for single-key lookup
292 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
293 dots are used instead of colons so that keys in lsearch files need not
294 contain colons. This was done some time before quoting was made available
295 in lsearch files. However, iplsearch files do require colons in IPv6 keys
296 (notated using the quote facility) so as to distinguish them from IPv4
297 keys. This meant that lookups for IP addresses in host lists did not work
298 for iplsearch lookups.
299
300 This has been fixed by arranging for IPv6 addresses to be expressed with
301 colons if the lookup type is iplsearch. This is not incompatible, because
302 previously such lookups could never work.
303
304 The situation is now rather anomolous, since one *can* have colons in
305 ordinary lsearch keys. However, making the change in all cases is
306 incompatible and would probably break a number of configurations.
307
2e30fa9d
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308TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
309 version.
310
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311MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
312 conversion specification without a maximum field width, thereby enabling
313 a rogue spamd server to cause a buffer overflow. While nobody in their
314 right mind would setup Exim to query an untrusted spamd server, an
315 attacker that gains access to a server running spamd could potentially
316 exploit this vulnerability to run arbitrary code as the Exim user.
317
ae276964
TK
318TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
319 $primary_hostname instead of what libspf2 thinks the hosts name is.
320
0f2cbd1b
MH
321MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
322 a directory entry by the name of the lookup key. Previously, if a
323 symlink pointed to a non-existing file or a file in a directory that
324 Exim lacked permissions to read, a lookup for a key matching that
325 symlink would fail. Now it is enough that a matching directory entry
326 exists, symlink or not. (Bugzilla 503.)
327
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328PH/03 The body_linecount and body_zerocount variables are now exported in the
329 local_scan API.
330
93655c46
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331PH/04 Added the $dnslist_matched variable.
332
6c512171
PH
333PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
334 This means they are set thereafter only if the connection becomes
335 encrypted.
336
337PH/06 Added the client_condition to authenticators so that some can be skipped
338 by clients under certain conditions.
339
aa6dc513
PH
340PH/07 The error message for a badly-placed control=no_multiline_responses left
341 "_responses" off the end of the name.
342
a96603a0
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343PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
344
8f240103
PH
345PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
346 (without spaces) instead of just copying the configuration text.
347
348PH/10 Added the /noupdate option to the ratelimit ACL condition.
349
d677b2f2
PH
350PH/11 Added $max_received_linelength.
351
d52120f2
PH
352PH/12 Added +ignore_defer and +include_defer to host lists.
353
64f2600a
PH
354PH/13 Installed PCRE version 7.2. This needed some changes because of the new
355 way in which PCRE > 7.0 is built.
356
8669f003
PH
357PH/14 Implemented queue_only_load_latch.
358
a4dc33a8
PH
359PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
360 MAIL command. The effect was to mangle the value on 64-bit systems.
361
d6a60c0f
PH
362PH/16 Another patch from the Sieve maintainer.
363
8f128379
PH
364PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
365
8932dffe
PH
366PH/18 If a system quota error occurred while trying to create the file for
367 a maildir delivery, the message "Mailbox is full" was not appended to the
368 bounce if the delivery eventually timed out. Change 4.67/27 below applied
369 only to a quota excession during the actual writing of the file.
d6a60c0f 370
ddea74fa 371PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
372 characters?) which causes problems in log lines. The DN values are now
373 passed through string_printing() before being added to log lines.
374
ddea74fa 375PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
376 and InterBase are left for another time.)
377
ddea74fa
PH
378PH/21 Added message_body_newlines option.
379
ce9f225c
PH
380PH/22 Guard against possible overflow in moan_check_errorcopy().
381
19897d52
PH
382PH/23 POSIX allows open() to be a macro; guard against that.
383
bc64a74d
PH
384PH/24 If the recipient of an error message contained an @ in the local part
385 (suitably quoted, of course), incorrect values were put in $domain and
386 $local_part during the evaluation of errors_copy.
387
eb4c0de6 388
b4ed4da0
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389Exim version 4.67
390-----------------
391
22ad45c9
MH
392MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
393 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
394 Jan Srzednicki.
395
b4ed4da0
PH
396PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
397 issue a MAIL command.
398
431b7361
PH
399PH/02 In an ACL statement such as
400
401 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
402
403 if a client was not listed at all, or was listed with a value other than
404 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
405 the condition was not true (as it should be), so access was not denied.
406 The bug was that the ! inversion was incorrectly passed on to the second
407 item. This has been fixed.
408
409PH/03 Added additional dnslists conditions == and =& which are different from
410 = and & when the dns lookup returns more than one IP address.
411
83da1223
PH
412PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
413 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
414
54fc8428
PH
415PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
416 FSYNC, which compiles an option called disable_fsync that allows for
417 bypassing fsync(). The documentation is heavily laced with warnings.
418
34c5e8dd
SC
419SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
420
bbe15da8
PH
421PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
422 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
423 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
424 including adding "make clean"; (3) Added -fPIC when compiling the test
425 dynamically loaded module, to get rid of a warning.
426
0e8a9471
MH
427MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
428 message fails, move_frozen_messages = true and ignore_bounce_errors_after
429 = 0s. The bug is otherwise harmless.
430
f0872424
PH
431PH/07 There was a bug in the dovecot authenticator such that the value of
432 $auth1 could be overwritten, and so not correctly preserved, after a
433 successful authentication. This usually meant that the value preserved by
434 the server_setid option was incorrect.
435
b01dd148
PH
436PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
437
6bf342e1
PH
438PH/09 Installed PCRE release 7.0.
439
273f34d0
PH
440PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
441 run for batched SMTP input. It is now run at the start of every message
442 in the batch. While fixing this I discovered that the process information
443 (output by running exiwhat) was not always getting set for -bs and -bS
444 input. This is fixed, and it now also says "batched" for BSMTP.
445
cf8b11a5
PH
446PH/11 Added control=no_pipelining.
447
41c7c167
PH
448PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
449 patch, slightly modified), and move the expansion of helo_data till after
450 the connection is made in the smtp transport (so it can use these
451 values).
452
9c57cbc0
PH
453PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
454
f3f065bb
PH
455PH/14 Added log_selector = +pid.
456
047bdd8c
PH
457PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
458
0ce9abe6
PH
459PH/16 Add ${if forany and ${if forall.
460
0e22dfd1
PH
461PH/17 Added dsn_from option to vary the From: line in DSNs.
462
4c590bd1
PH
463PH/18 Flush SMTP output before performing a callout, unless control =
464 no_callout_flush is set.
465
09945f1e
PH
466PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
467 was true (the default) a successful delivery failed to delete the retry
468 item, thus causing premature timeout of the address. The bug is now
469 fixed.
470
c51b8e75
PH
471PH/20 Added hosts_avoid_pipelining to the smtp transport.
472
e28326d8
PH
473PH/21 Long custom messages for fakedefer and fakereject are now split up
474 into multiline reponses in the same way that messages for "deny" and
475 other ACL rejections are.
476
75b1493f
PH
477PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
478 with slight modification.
479
7c5214ec
PH
480PH/23 Applied sieve patches from the maintainer "tracking the latest notify
481 draft, changing the syntax and factoring some duplicate code".
482
4311097e
PH
483PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
484 for deliveries of the second and subsequent messages over the same SMTP
485 connection.
486
29f89cad
PH
487PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
488 ${reduce, with only minor "tidies".
489
5e687460
SC
490SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
491
c3611384
PH
492PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
493 expansion side effects.
494
5a11a7b4
PH
495PH/27 When a message times out after an over-quota error from an Exim-imposed
496 quota, the bounce message says "mailbox is full". This message was not
497 being given when it was a system quota that was exceeded. It now should
498 be the same.
499
0e20aff9
MH
500MH/03 Made $recipients available in local_scan(). local_scan() already has
501 better access to the recipient list through recipients_list[], but
502 $recipients can be useful in postmaster-provided expansion strings.
503
ca86f471
PH
504PH/28 The $smtp_command and $smtp_command_argument variables were not correct
505 in the case of a MAIL command with additional options following the
506 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
507 were accidentally chopped off.
508
a14e5636
PH
509PH/29 SMTP synchronization checks are implemented when a command is read -
510 there is a check that no more input is waiting when there shouldn't be
511 any. However, for some commands, a delay in an ACL can mean that it is
512 some time before the response is written. In this time, more input might
513 arrive, invalidly. So now there are extra checks after an ACL has run for
514 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
515 pipelining has not been advertised.
516
ec95d1a6
PH
517PH/30 MH's patch to allow iscntrl() characters to be list separators.
518
42855d71
PH
519PH/31 Unlike :fail:, a custom message specified with :defer: was not being
520 returned in the SMTP response when smtp_return_error_details was false.
521 This has been fixed.
522
57c2c631
PH
523PH/32 Change the Dovecot authenticator to use read() and write() on the socket
524 instead of the C I/O that was originally supplied, because problems were
525 reported on Solaris.
526
58c01c94
PH
527PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
528 Exim which did not show up earlier: it was assuming that a call to
529 SSL_CTX_set_info_callback() might give an error value. In fact, there is
530 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
531 was a macro that became an assignment, so it seemed to work. This has
532 changed to a proper function call with a void return, hence the compile
533 error. Exim's code has been fixed.
534
dee5a20a
PH
535PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
536 cpus.
537
d2ee6114
PH
538PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
539
b2d5182b
PH
540PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
541
79749a79
PH
542PH/37 If a message is not accepted after it has had an id assigned (e.g.
543 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
544 "Completed" line in the log. When some messages of this type were
545 selected by exigrep, they were listed as "not completed". Others were
546 picked up by some special patterns. I have improved the selection
547 criteria to be more general.
79749a79 548
c456d9bb
PH
549PH/38 The host_find_failed option in the manualroute router can now be set
550 to "ignore", to completely ignore a host whose IP address cannot be
551 found. If all hosts are ignored, the behaviour is controlled by the new
552 host_all_ignored option.
553
cd9868ec
PH
554PH/39 In a list of hosts for manualroute, if one item (either because of multi-
555 homing or because of multiple MX records with /mx) generated more than
556 one IP address, and the following item turned out to be the local host,
557 all the secondary addresses of the first item were incorrectly removed
558 from the list, along with the local host and any following hosts (which
559 is what is supposed to happen).
560
ebeaf996
PH
561PH/40 When Exim receives a message, it writes the login name, uid, and gid of
562 whoever called Exim into the -H file. In the case of the daemon it was
563 behaving confusingly. When first started, it used values for whoever
564 started the daemon, but after a SIGHUP it used the Exim user (because it
565 calls itself on a restart). I have changed the code so that it now always
566 uses the Exim user.
567
2679d413
PH
568PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
569 message are rejected with the same error (e.g. no authentication or bad
570 sender address), and a DATA command is nevertheless sent (as can happen
571 with PIPELINING or a stupid MUA), the error message that was given to the
572 RCPT commands is included in the rejection of the DATA command. This is
573 intended to be helpful for MUAs that show only the final error to their
574 users.
575
84024b72
PH
576PH/42 Another patch from the Sieve maintainer.
577
8005d38e
SC
578SC/02 Eximstats - Differentiate between permanent and temporary rejects.
579 Eximstats - Fixed some broken HTML links and added missing column headers
580 (Jez Hancock).
581 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
582 columns for Rejects, Temp Rejects, Ham, and Spam rows.
583
3298c6c6
SC
584SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
585
a43a27c5
PH
586PH/43 Yet another patch from the Sieve maintainer.
587
58eb016e 588PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
589 the response to the final '.' that terminates a message, but only in the
590 case where the client has not sent further data following the '.'
591 (unfortunately, this is allowed). However, in many cases there won't be
592 any further data because there won't be any more messages to send. A call
593 to select() can be used: if it shows that the input is "ready", there is
594 either input waiting, or the socket has been closed. An attempt to read
595 the next input character can distinguish the two cases. Previously, Exim
58eb016e 596 would have sent an OK response which the client would never have see.
563b63fa
PH
597 This could lead to message repetition. This fix should cure that, at
598 least in a lot of common cases.
58eb016e 599
b43a74ea
PH
600PH/45 Do not advertise STARTTLS in response to HELP unless it would be
601 advertised in response to EHLO.
602
b4ed4da0 603
5dd1517f
PH
604Exim version 4.66
605-----------------
606
607PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
608 fixed by 4.65/MH/01 (is this a record?) are fixed:
609
610 (i) An empty string was always treated as zero by the numeric comparison
611 operators. This behaviour has been restored.
612
613 (ii) It is documented that the numeric comparison operators always treat
614 their arguments as decimal numbers. This was broken in that numbers
615 starting with 0 were being interpreted as octal.
616
617 While fixing these problems I realized that there was another issue that
618 hadn't been noticed. Values of message_size_limit (both the global option
619 and the transport option) were treated as octal if they started with 0.
620 The documentation was vague. These values are now always treated as
621 decimal, and I will make that clear in the documentation.
622
623
93cfa765
TK
624Exim version 4.65
625-----------------
626
627TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
628 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
629 versions. (#438)
630
d6066548
MH
631MH/01 Don't check that the operands of numeric comparison operators are
632 integers when their expansion is in "skipping" mode (fixes bug
633 introduced by 4.64-PH/07).
634
4362ff0d
PH
635PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
636 child addresses, Exim now panics and dies. Previously, because the count
637 is held in a short int, deliveries were likely to be lost. As such a
638 large number of recipients for a single message is ridiculous
639 (performance will be very, very poor), I have chosen to impose a limit
640 rather than extend the field.
641
93cfa765 642
944e9e9c
TF
643Exim version 4.64
644-----------------
aa41d2de 645
21d74bd9
TK
646TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
647 leftover -K file (the existence of which was triggered by #402).
648 While we were at it, introduced process PID as part of the -K
649 filename. This should rule out race conditions when creating
650 these files.
651
652TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
653 processing considerably. Previous code took too long for large mails,
654 triggering a timeout which in turn triggers #401.
655
656TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
657 in the DK code in transports.c. sendfile() is not really portable,
658 hence the _LINUX specificness.
944e9e9c
TF
659
660TF/01 In the add_headers option to the mail command in an Exim filter,
661 there was a bug that Exim would claim a syntax error in any
662 header after the first one which had an odd number of characters
663 in the field name.
664
2b1c6e3a
PH
665PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
666 callout verification, Exim cached a "reject" for the entire domain. This
667 is correct for most verifications, but it is not correct for a recipient
668 verification with use_sender or use_postmaster set, because in that case
669 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
670 case of MAIL FROM:<> rejection from other early rejections (e.g.
671 rejection of HELO). When verifying a recipient using a non-null MAIL
672 address, the cache is ignored if it shows MAIL FROM:<> rejection.
673 Whatever the result of the callout, the value of the domain cache is
674 left unchanged (for any other kind of callout, getting as far as trying
675 RCPT means that the domain itself is ok).
676
1f872c80
PH
677PH/02 Tidied a number of unused variable and signed/unsigned warnings that
678 gcc 4.1.1 threw up.
679
680PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
681 manifest itself as EPIPE rather than ECONNECT. When tidying away a
682 session, the daemon ignores ECONNECT errors and logs others; it now
683 ignores EPIPE as well.
684
d203e649
PH
685PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
686 (quoted-printable decoding).
687
cc2ed8f7 688PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 689 later the small subsequent patch to fix an introduced bug.
f951fd57 690
ddfcd446
PH
691PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
692
d45b1de8
PH
693PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
694
695PH/08 An error is now given if message_size_limit is specified negative.
696
38a0a95f 697PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 698 to be given (somewhat) arbitrary names.
38a0a95f 699
a2405d83
JJ
700JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
701 in 4.64-PH/09.
702
703JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
704 miscellaneous code fixes
705
6ea85e9a
PH
706PH/10 Added the log_reject_target ACL modifier to specify where to log
707 rejections.
708
26da7e20
PH
709PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
710 hostname. This is wrong, because it relates to the incoming message (and
711 probably the interface on which it is arriving) and not to the outgoing
712 callout (which could be using a different interface). This has been
713 changed to use the value of the helo_data option from the smtp transport
714 instead - this is what is used when a message is actually being sent. If
715 there is no remote transport (possible with a router that sets up host
716 addresses), $smtp_active_hostname is used.
6ea85e9a 717
14aa5a05 718PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 719 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
720 (a) The code assumed that strncpy() returns a negative number on buffer
721 overflow, which isn't the case. Replaced with Exim's string_format()
722 function.
723 (b) There were several signed/unsigned issues. I just did the minimum
724 hacking in of casts. There is scope for a larger refactoring.
725 (c) The code used strcasecmp() which is not a standard C function.
726 Replaced with Exim's strcmpic() function.
727 (d) The code set only $1; it now sets $auth1 as well.
728 (e) A simple test gave the error "authentication client didn't specify
729 service in request". It would seem that Dovecot has changed its
730 interface. Fortunately there's a specification; I followed it and
731 changed what the client sends and it appears to be working now.
732
ff75a1f7
PH
733PH/13 Added $message_headers_raw to provide the headers without RFC 2047
734 decoding.
735
e6f6568e
PH
736PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
737 address A is aliased to B and C, where B exists and C does not. Without
738 -v the output is "A verified" because verification stops after a
739 successful redirection if more than one address is generated. However,
740 with -v the child addresses are also verified. Exim was outputting "A
741 failed to verify" and then showing the successful verification for C,
742 with its parentage. It now outputs "B failed to verify", showing B's
743 parentage before showing the successful verification of C.
744
d6f6e0dc
PH
745PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
746 look up a TXT record in a specific list after matching in a combined
747 list.
748
322050c2
PH
749PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
750 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
751 they consult the DNS. I had assumed they would set it the way they
752 wanted; and indeed my experiments on Linux seem to show that in some
753 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
754 To be on the safe side, however, I have now made the interface to
755 host_find_byname() similar to host_find_bydns(), with an argument
756 containing the DNS resolver options. The host_find_byname() function now
757 sets these options at its start, just as host_find_bydns() does. The smtp
758 transport options dns_qualify_single and dns_search_parents are passed to
759 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
760 of host_find_byname() use the default settings of RES_DEFNAMES
761 (qualify_single) but not RES_DNSRCH (search_parents).
762
08955dd3
PH
763PH/17 Applied (a modified version of) Nico Erfurth's patch to make
764 spool_read_header() do less string testing, by means of a preliminary
765 switch on the second character of optional "-foo" lines. (This is
766 overdue, caused by the large number of possibilities that now exist.
767 Originally there were few.) While I was there, I also converted the
768 str(n)cmp tests so they don't re-test the leading "-" and the first
769 character, in the hope this might squeeze out yet more improvement.
770
1eccaa59
PH
771PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
772 flag allowing group syntax was set by the header_syntax check but not
773 turned off, possible causing trouble later; (2) The flag was not being
774 set at all for the header_verify test, causing "group"-style headers to
775 be rejected. I have now set it in this case, and also caused header_
776 verify to ignore an empty address taken from a group. While doing this, I
777 came across some other cases where the code for allowing group syntax
778 while scanning a header line wasn't quite right (mostly, not resetting
779 the flag correctly in the right place). These bugs could have caused
780 trouble for malformed header lines. I hope it is now all correct.
781
602e59e5
PH
782PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
783 with the "reply" argument non-NULL. The code, however (which originally
784 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
785 but it didn't always do it. This confused somebody who was copying the
786 code for some other use. I have removed all the tests.
787
411ef850
PH
788PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
789 feature that was used to support insecure browsers during the U.S. crypto
790 embargo. It requires special client support, and Exim is probably the
791 only MTA that supported it -- and would never use it because real RSA is
792 always available. This code has been removed, because it had the bad
793 effect of slowing Exim down by computing (never used) parameters for the
794 RSA_EXPORT functionality.
795
7befa435
PH
796PH/21 On the advice of Timo Sirainen, added a check to the dovecot
797 authenticator to fail if there's a tab character in the incoming data
798 (there should never be unless someone is messing about, as it's supposed
799 to be base64-encoded). Also added, on Timo's advice, the "secured" option
800 if the connection is using TLS or if the remote IP is the same as the
801 local IP, and the "valid-client-cert option" if a client certificate has
802 been verified.
803
48da4259 804PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
805 authenticators. This can be used for authorization after authentication
806 succeeds. (In the case of plaintext, it servers for both authentication
807 and authorization.)
808
48da4259
PH
809PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
810 if any retry times were supplied.
811
d1d5595c
PH
812PH/24 Exim crashed if verify=helo was activated during an incoming -bs
813 connection, where there is no client IP address to check. In this
814 situation, the verify now always succeeds.
815
0ef732d9
PH
816PH/25 Applied John Jetmore's -Mset patch.
817
328895cc
PH
818PH/26 Added -bem to be like -Mset, but loading a message from a file.
819
fd700877
PH
820PH/27 In a string expansion for a processed (not raw) header when multiple
821 headers of the same name were present, leading whitespace was being
822 removed from all of them, but trailing whitespace was being removed only
823 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
824 before concatenation. Completely empty headers in a concatenation (as
825 before) are ignored.
fd700877 826
8dce1a6f
PH
827PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
828 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
829
17af4a17
PH
830PH/29 [Removed. This was a change that I later backed out, and forgot to
831 correct the ChangeLog entry (that I had efficiently created) before
832 committing the later change.]
f6c332bd
PH
833
834PH/30 Exim was sometimes attempting to deliver messages that had suffered
835 address errors (4xx response to RCPT) over the same connection as other
836 messages routed to the same hosts. Such deliveries are always "forced",
837 so retry times are not inspected. This resulted in far too many retries
838 for the affected addresses. The effect occurred only when there were more
839 hosts than the hosts_max_try setting in the smtp transport when it had
840 the 4xx errors. Those hosts that it had tried were not added to the list
841 of hosts for which the message was waiting, so if all were tried, there
842 was no problem. Two fixes have been applied:
843
844 (i) If there are any address or message errors in an SMTP delivery, none
845 of the hosts (tried or untried) are now added to the list of hosts
846 for which the message is waiting, so the message should not be a
847 candidate for sending over the same connection that was used for a
848 successful delivery of some other message. This seems entirely
849 reasonable: after all the message is NOT "waiting for some host".
850 This is so "obvious" that I'm not sure why it wasn't done
851 previously. Hope I haven't missed anything, but it can't do any
852 harm, as the worst effect is to miss an optimization.
853
854 (ii) If, despite (i), such a delivery is accidentally attempted, the
855 routing retry time is respected, so at least it doesn't keep
856 hammering the server.
857
c1114884
PH
858PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
859 in ${readsocket because some servers need this prod.
860
7a0743eb
PH
861PH/32 Added some extra debug output when updating a wait-xxx database.
862
0d85fa3f
PH
863PH/33 The hint "could be header name not terminated by colon", which has been
864 given for certain expansion errors for a long time, was not being given
865 for the ${if def:h_colon_omitted{... case.
866
1bf43b78
PH
867PH/34 The spec says: "With one important exception, whenever a domain list is
868 being scanned, $domain contains the subject domain." There was at least
869 one case where this was not true.
870
520de300
PH
871PH/35 The error "getsockname() failed: connection reset by peer" was being
872 written to the panic log as well as the main log, but it isn't really
873 panic-worthy as it just means the connection died rather early on. I have
874 removed the panic log writing for the ECONNRESET error when getsockname()
875 fails.
876
48c7f9e2
PH
877PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
878 runs only) independently of the message's sender address. This meant
879 that, if the 4xx error was in fact related to the sender, a different
880 message to the same recipient with a different sender could confuse
881 things. In particualar, this can happen when sending to a greylisting
882 server, but other circumstances could also provoke similar problems.
883 I have changed the default so that the retry time for these errors is now
884 based a combination of the sender and recipient addresses. This change
885 can be overridden by setting address_retry_include_sender=false in the
886 smtp transport.
887
99ea1c86
PH
888PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
889 remote server are returned as part of bounce messages. This was not
890 happening for LMTP over a pipe (the lmtp transport), but now it is the
891 same for both kinds of LMTP.
892
a2042e78
PH
893PH/38 Despite being documented as not happening, Exim was rewriting addresses
894 in header lines that were in fact CNAMEs. This is no longer the case.
895
4fbcfc2e
PH
896PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
897 and queue runs started by the daemon processed all messages. This has
898 been fixed so that -R and -S can now usefully be given with -q<time>.
899
aa41d2de
PH
900PH/40 Import PCRE release 6.7 (fixes some bugs).
901
af561417
PH
902PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
903
3cc66b45
PH
904PH/42 Give an error if -q is specified more than once.
905
194cc0e4
PH
906PH/43 Renamed the variables $interface_address and $interface_port as
907 $received_ip_address and $received_port, to make it clear that these
908 values apply to message reception, and not to the outgoing interface when
909 a message is delivered. (The old names remain recognized, of course.)
910
a401ddaa
PH
911PH/44 There was no timeout on the connect() call when using a Unix domain
912 socket in the ${readsocket expansion. There now is.
913
4e88a19f
PH
914PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
915 be meaningful with "accept".
916
d7d7b289
SC
917SC/01 Eximstats V1.43
918 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
919
920SC/02 Eximstats V1.44
921 Use a glob alias rather than an array ref in the generated
922 parser. This improves both readability and performance.
923
924SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
925 Collect SpamAssassin and rejection statistics.
926 Don't display local sender or destination tables unless
927 there is data to show.
928 Added average volumes into the top table text output.
929
930SC/04 Eximstats V1.46
931 Collect data on the number of addresses (recipients)
932 as well as the number of messages.
933
934SC/05 Eximstats V1.47
935 Added 'Message too big' to the list of mail rejection
936 reasons (thanks to Marco Gaiarin).
937
938SC/06 Eximstats V1.48
939 Mainlog lines which have GMT offsets and are too short to
940 have a flag are now skipped.
941
942SC/07 Eximstats V1.49 (Alain Williams)
943 Added the -emptyok flag.
944
945SC/08 Eximstats V1.50
946 Fixes for obtaining the IP address from reject messages.
947
0ea2a468
JJ
948JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
949 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
950 whitesspace changes from 4.64-PH/27
951
952JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
953 match 4.64-PH/13
954
955JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
956 are found, allow negative numbers in numeric criteria)
957
958JJ/06 exipick.20061117.2, added new $message_body_missing variable
959
960JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
961 to match changes made in 4.64-PH/43
962
8a10f5a4
PH
963PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
964
30e18802
PH
965PH/47 Put in an explicit test for a DNS lookup of an address record where the
966 "domain" is actually an IP address, and force a failure. This locks out
967 those revolvers/nameservers that support "A-for-A" lookups, in
968 contravention of the specifications.
969
55728a4f
PH
970PH/48 When a host name was looked up from an IP address, and the subsequent
971 forward lookup of the name timed out, the host name was left in
972 $sender_host_name, contrary to the specification.
d7d7b289 973
d7837193
PH
974PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
975 restricted to single-key lookups, Exim was not diagnosing an error if
976 * or *@ was used with a query-style lookup.
977
87054a31
PH
978PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
979
ea2c01d2
MH
980MH/01 local_scan ABI version incremented to 1.1. It should have been updated
981 long ago, but noone interested enough thought of it. Let's just say that
982 the "1.1" means that there are some new functions that weren't there at
983 some point in the past.
984
e4fa6968
PH
985PH/51 Error processing for expansion failure of helo_data from an smtp
986 transport during callout processing was broken.
987
56f5d9bd
PH
988PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
989 tested/used via the -bh/-bhc/-bs options.
990
922e1c28
PH
991PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
992 bug, fixed in subsequent PCRE releases).
993
21eb6e72
PH
994PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
995 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
996
a0540757
PH
997PH/55 Check for a ridiculously long file name in exim_dbmbuild.
998
944e9e9c 999
478be7b0
SC
1000Exim version 4.63
1001-----------------
1002
1003SC/01 Use a glob alias rather than an array ref in eximstats generated
1004 parser. This improves both readability and performance.
1005
1006SC/02 Collect SpamAssassin and rejection statistics in eximstats.
1007 Don't display local sender or destination tables in eximstats unless
1008 there is data to show.
1009 Added average volumes into the eximstats top table text output.
1010
1011SC/03 Collect data on the number of addresses (recipients) as well
1012 as the number of messages in eximstats.
1013
2b965a65
TF
1014TF/01 Correct an error in the documentation for the redirect router. Exim
1015 does (usually) call initgroups() when daemonizing.
478be7b0 1016
45b91596
PH
1017TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
1018 with consistent privilege compared to when running as a daemon.
478be7b0 1019
c59f5781
TF
1020TF/03 Note in the spec that $authenticated_id is not set for local
1021 submissions from trusted users.
1022
90fc3069
TF
1023TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
1024 Thanks to Dean Brooks <dean@iglou.com> for the patch.
1025
6083aca0
TF
1026TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
1027 by adding some example configuration directives to the default
1028 configuration file. A little bit of work is required to uncomment the
1029 directives and define how usernames and passwords are checked, but
1030 there is now a framework to start from.
1031
765b530f
PH
1032PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
1033 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
1034 without this. I don't know how relevant this is to other LDAP libraries.
1035
4e167a8c
PH
1036PH/02 Add the verb name to the "unknown ACL verb" error.
1037
4608d683
PH
1038PH/03 Magnus Holmgren's patch for filter_prepend_home.
1039
b8dc3e4a
PH
1040PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
1041
5418e93b
PH
1042PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
1043 directory not expanded when it should be if an expanded home directory
1044 was set for the address (which is overridden by the transport).
1045
b4a9bda2
PH
1046PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
1047 libradius.
1048
45b91596
PH
1049PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
1050 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
1051 because it is too late at that time, and has no effect.
1052
5547e2c5
PH
1053PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
1054 security issue with \' (bugzilla #107). I could not use the
1055 PQescapeStringConn() function, because it needs a PGconn value as one of
1056 its arguments.
1057
dbcef0ea
PH
1058PH/08 When testing addresses using -bt, indicate those final addresses that
1059 are duplicates that would not cause an additional delivery. At least one
1060 person was confused, thinking that -bt output corresponded to deliveries.
1061 (Suppressing duplicates isn't a good idea as you lose the information
1062 about possibly different redirections that led to the duplicates.)
1063
25257489
PH
1064PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
1065 systems where poll() doesn't work, in particular OS X.
1066
c816d124
PH
1067PH/10 Added more information to debugging output for retry time not reached.
1068
a9ccd69a
PH
1069PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
1070 operations in malware.c.
1071
75fa1910
PH
1072PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1073 signatures.
1074
a7d7aa58
PH
1075PH/13 If write_rejectlog was set false when logging was sent to syslog with
1076 syslog_duplication set false, log lines that would normally be written
1077 both the the main log and to the reject log were not written to syslog at
1078 all.
1079
42119b09
PH
1080PH/14 In the default configuration, change the use of "message" in ACL warn
1081 statements to "add_header".
1082
41609df5
PH
1083PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1084 not followed by a command (e.g. "seen endif").
1085
a5bd321b
PH
1086PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1087 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1088 latter.
1089
e85a7ad5 1090PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1091 so that it is now:
1092
e85a7ad5
PH
1093 ${if or { \
1094 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1095 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1096 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1097 }{no}{yes}}
1098
e85a7ad5
PH
1099 The Auto-Submitted: and various List- headers are standardised, whereas I
1100 don't think Precedence: ever was.
5dff5817 1101
d8fe1c03
PH
1102PH/18 Refactored debugging code in route_finduser() to show more information,
1103 in particular, the error code if getpwnam() issues one.
1104
16282d2b
PH
1105PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1106 This is apparently needed in addition to the PH/07 change above to avoid
1107 any possible encoding problems.
1108
35d40a98
PH
1109PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1110 but not after initializing Perl.
1111
034d99ab
PH
1112PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1113 output them only if debugging. By default they are written stderr,
1114 apparently, which is not desirable.
1115
6ec97b1b
PH
1116PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1117 queries.
1118
e22ca4ac
JJ
1119JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1120 --not options
1121
1122JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1123
33d73e3b
PH
1124PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1125 authenticated or an ident call has been made. Suppress the default
1126 values for $authenticated_id and $authenticated_sender (but permit -oMai
1127 and -oMas) when testing with -bh.
1128
9ecb03f3
PH
1129PH/24 Re-jigged the order of the tests in the default configuration so that the
1130 tests for valid domains and recipients precede the DNS black list and CSA
1131 tests, on the grounds that those ones are more expensive.
1132
084efe8d
PH
1133PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1134 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1135 This bug exists in every version of Exim that I still have, right back to
1136 0.12.
1137
366fc9f0
PH
1138PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1139 However, an attempt to turn on case-sensitivity in a regex key by
1140 including (?-i) didn't work because the subject string was already
1141 lowercased, and the effects were non-intuitive. It turns out that a
1142 one-line patch can be used to allow (?-i) to work as expected.
1143
c59f5781 1144
c887c79e
TF
1145Exim version 4.62
1146-----------------
1147
1148TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1149 other effects) broke the use of negated acl sub-conditions.
1150
1cce3af8
PH
1151PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1152 patch).
1153
afb3eaaf
PH
1154PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1155 "Deny" causes Exim to reject the incoming connection with a 554 error.
1156 Unfortunately, if there is a major crisis, such as a disk failure,
1157 tcp-wrappers gives "deny", whereas what one would like would be some
1158 kind of temporary error. A kludge has been added to help with this.
1159 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1160 554 error is used if errno is still zero or contains ENOENT (which occurs
1161 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1162 451 error is used.
1163
e173618b
PH
1164PH/03 Add -lutil to the default FreeBSD LIBS setting.
1165
dd16e114
PH
1166PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1167 errors. Otherwise a message that provokes a temporary error (when other
1168 messages do not) can cause a whole host to time out.
1169
f7fd3850
PH
1170PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1171 addresses were routed directly to files or pipes from a redirect router.
1172 File deliveries just didn't batch; pipe deliveries might have suffered
1173 odd errors.
1174
d87df92c
PH
1175PH/06 A failure to get a lock for a hints database would erroneously always say
1176 "Failed to get write lock", even when it was really a read lock.
1177
7e9f683d
PH
1178PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1179 of 0600. This has been changed to use the value of the lockfile_mode
1180 option (which defaults to 0600).
1181
bfad5236
PH
1182PH/08 Applied small patch from the Sieve maintainer.
1183
01c490df
PH
1184PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1185 folder from quota calculations, a direct delivery into this folder messed
1186 up the contents of the maildirsize file. This was because the regex was
1187 used only to exclude .Trash (or whatever) when the size of the mailbox
1188 was calculated. There was no check that a delivery was happening into an
1189 excluded directory. This bug has been fixed by ignoring all quota
1190 processing for deliveries into excluded directories.
1191
d6629cdc
PH
1192PH/10 Added the maildirfolder_create_regex option to appendfile.
1193
1cce3af8 1194
214e2000
PH
1195Exim version 4.61
1196-----------------
1197
1198PH/01 The code for finding all the local interface addresses on a FreeBSD
1199 system running IPv6 was broken. This may well have applied to all BSD
1200 systems, as well as to others that have similar system calls. The broken
1201 code found IPv4 interfaces correctly, but gave incorrect values for the
1202 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1203 that it would not match correctly against @[] and not recognize the IPv6
1204 addresses as local.
1205
f9daeae0
PH
1206PH/02 The ipliteral router was not recognizing addresses of the form user@
1207 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1208
7e66e54d
PH
1209PH/03 Added disable_ipv6.
1210
c8ea1597
PH
1211PH/04 Changed $reply_address to use the raw form of the headers instead of the
1212 decoded form, because it is most often used to construct To: headers
1213 lines in autoreplies, and the decoded form may well be syntactically
1214 invalid. However, $reply_address has leading white space removed, and all
1215 newlines turned into spaces so that the autoreply transport does not
1216 grumble.
1217
911f6fde
PH
1218PH/05 If group was specified without a user on a router, and no group or user
1219 was specified on a transport, the group from the router was ignored.
1220
47ca6d6c
PH
1221PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1222 for visible compile-time settings that can be used to change these
1223 numbers, for those that want even more. Backwards compatibility with old
1224 spool files has been maintained. However, going back to a previous Exim
1225 release will lost any variables that are in spool files.
1226
ed0e9820
PH
1227PH/07 Two small changes when running in the test harness: increase delay when
1228 passing a TCP/IP connection to a new process, in case the original
1229 process has to generate a bounce, and remove special handling of
1230 127.0.0.2 (sic), which is no longer necessary.
1231
eff37e47
PH
1232PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1233 be the same on different OS.
1234
1921d2ea
PH
1235PH/09 Moved a debug statement in filter processing to avoid a race problem when
1236 testing.
1237
b3f69ca8
JJ
1238JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1239 whether --show-vars was specified or not
1240
1241JJ/02 exipick: Added support for new ACL variable spool format introduced
1242 in 4.61-PH/06
1243
424a1c63
PH
1244PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1245 syntactically invalid From: or Reply-to: line, and a filter used this to
1246 generate an autoreply, and therefore failed to obtain an address for the
1247 autoreply, Exim could try to deliver to a non-existent relative file
1248 name, causing unrelated and misleading errors. What now happens is that
1249 it logs this as a hard delivery error, but does not attempt to create a
1250 bounce message.
1251
7a100415
PH
1252PH/11 The exinext utility has a -C option for testing purposes, but although
1253 the given file was scanned by exinext itself; it wasn't being passed on
1254 when Exim was called.
1255
19b9dc85
PH
1256PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1257 an end-of-file indication when reading a command response.
1258
309bd837
PH
1259PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1260 compiled. In many other places in Exim, IPv6 addresses are always
1261 recognized, so I have changed this. It also means that IPv4 domain
1262 literals of the form [IPV4:n.n.n.n] are now always recognized.
1263
59e82a2a
PH
1264PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1265 used if the router is not running as root, for example, when verifying at
1266 ACL time, or when using -bh. The debugging output from this situation was
1267 non-existent - all you got was a failure to exec. I have made two
1268 changes:
1269
1270 (a) Failures to set uid/gid, the current directory, or a process leader
1271 in a subprocess such as that created by queryprogram now generate
1272 suitable debugging ouput when -d is set.
1273
1274 (b) The queryprogram router detects when it is not running as root,
1275 outputs suitable debugging information if -d is set, and then runs
1276 the subprocess without attempting to change uid/gid.
1277
9edc04ce
PH
1278PH/15 Minor change to Makefile for building test_host (undocumented testing
1279 feature).
1280
1349e1e5
PH
1281PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1282 additional section of a DNS packet that returns MX or SRV records.
1283 Instead, it always explicitly searches for A/AAAA records. This avoids
1284 major problems that occur when a DNS server includes only records of one
1285 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1286 fixed another bug: if SRV records were looked up and the corresponding
1287 address records were *not* found in the additional section, the port
1288 values from the SRV records were lost.
1289
ea49d0e1
PH
1290PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1291 using the correct key (the original address) when searching the retry
1292 rules in order to find which one to use for generating the retry hint.
1293
064a94c9
PH
1294PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1295 adding the default one. Similarly, if it contains a Reply-To: header, the
1296 errors_reply_to option, if set, is not used.
1297
727071f8
PH
1298PH/19 When calculating a retry time, Exim used to measure the "time since
1299 failure" by looking at the "first failed" field in the retry record. Now
1300 it does not use this if it is later than than the arrival time of the
1301 message. Instead it uses the arrival time. This makes for better
1302 behaviour in cases where some deliveries succeed, thus re-setting the
1303 "first failed" field. An example is a quota failure for a huge message
1304 when small messages continue to be delivered. Without this change, the
1305 "time since failure" will always be short, possible causing more frequent
1306 delivery attempts for the huge message than are intended.
dd16e114 1307 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1308
f78eb7c6
PH
1309PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1310 $1, $2, $3) because the numerical variables can be reset during some
1311 expansion items (e.g. "match"), thereby losing the authentication data.
1312
21c28500
PH
1313PH/21 Make -bV show the size of off_t variables so that the test suite can
1314 decide whether to run tests for quotas > 2G.
1315
1316PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1317 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1318 filecount value is greater than 2G or if a quota value is greater than 2G
1319 on a system where the size of off_t is not greater than 4, a panic error
1320 is given.
1321
1688f43b
PH
1322PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1323 never match. The debug and -bh output now contains an explicit error
1324 message indicating a malformed IPv4 address or mask.
1325
1326PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1327 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1328 PH/23 above applies.
1329
9675b384
PH
1330PH/25 Do not write to syslog when running in the test harness. The only
1331 occasion when this arises is a failure to open the main or panic logs
1332 (for which there is an explicit test).
1333
6a3f1455
PH
1334PH/26 Added the /no_tell option to "control=freeze".
1335
dac79d3e
PH
1336PH/27 If a host name lookup failed very early in a connection, for example, if
1337 the IP address matched host_lookup and the reverse lookup yielded a name
1338 that did not have a forward lookup, an error message of the form "no IP
1339 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1340 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1341
5977a0b3
PH
1342PH/28 An enabling patch from MH: add new function child_open_exim2() which
1343 allows the sender and the authenticated sender to be set when
1344 submitting a message from within Exim. Since child_open_exim() is
1345 documented for local_scan(), the new function should be too.
1346
c91535f3
PH
1347PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1348 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1349 results in an empty string is now treated as unset.
1350
0d46a8c8
PH
1351PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1352
278c6e6c
PH
1353PH/31 Added sender_verify_fail logging option.
1354
2cbb4081
PH
1355PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1356 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1357 tidied the source and removed it altogether.
1358
3eef829e
PH
1359PH/33 When a queue run was abandoned because the load average was too high, a
1360 log line was always written; now it is written only if the queue_run log
1361 selector is set. In addition, the log line for abandonment now contains
1362 information about the queue run such as the pid. This is always present
1363 in "start" and "stop" lines but was omitted from the "abandon" line.
1364
1ab95fa6
PH
1365PH/34 Omit spaces between a header name and the colon in the error message that
1366 is given when verify = headers_syntax fails (if there are lots of them,
1367 the message gets confusing).
1368
230205fc
PH
1369PH/35 Change the default for dns_check_names_pattern to allow slashes within
1370 names, as there are now some PTR records that contain slashes. This check
1371 is only to protect against broken name servers that fall over on strange
1372 characters, so the fact that it applies to all lookups doesn't matter.
1373
75e0e026
PH
1374PH/36 Now that the new test suite is complete, we can remove some of the
1375 special code in Exim that was needed for the old test suite. For example,
1376 sorting DNS records because real resolvers return them in an arbitrary
1377 order. The new test suite's fake resolver always returns records in the
1378 same order.
1379
1380PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1381 bounces) except when queue_only is set, to avoid logging races between
1382 the different processes.
1383
145396a6
PH
1384PH/38 Panic-die if .include specifies a non-absolute path.
1385
3cd34f13
PH
1386PH/39 A tweak to the "H" retry rule from its user.
1387
11121d3d
JJ
1388JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1389 a label. They prevented compilation on older perls.
1390
1391JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1392 a warning to be raised on newish perls.
1393
1394JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1395 on queue. Changes to match documented behaviour of showing count of
1396 messages matching specified criteria.
1397
8def5aaf
PH
1398PH/40 Changed the default ident timeout from 30s to 5s.
1399
929ba01c
PH
1400PH/41 Added support for the use of login_cap features, on those BSD systems
1401 that have them, for controlling the resources used by pipe deliveries.
1402
2632889e
PH
1403PH/42 The content-scanning code uses fopen() to create files in which to put
1404 message data. Previously it was not paying any attention to the mode of
1405 the files. Exim runs with umask(0) because the rest of the code creates
1406 files with open(), and sets the required mode explicitly. Thus, these
1407 files were ending up world-writeable. This was not a big issue, because,
1408 being within the spool directory, they were not world-accessible. I have
1409 created a function called modefopen, which takes an additional mode
1410 argument. It sets umask(777), creates the file, chmods it to the required
1411 mode, then resets the umask. All the relevant calls to fopen() in the
1412 content scanning code have been changed to use this function.
1413
944a9c55
PH
1414PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1415 to 24 hours. This avoids potential overflow problems when processing G
1416 and H retry rules. I suspect nobody ever tinkers with this value.
1417
4a23603b
PH
1418PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1419
4730f942
PH
1420PH/45 When the plaintext authenticator is running as a client, the server's
1421 challenges are checked to ensure they are valid base64 strings. By
1422 default, the authentication attempt is cancelled if an invalid string is
1423 received. Setting client_ignore_invalid_base64 true ignores these errors.
1424 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1425 they are received. Thus, the responses can be made to depend on the
1426 challenges. If an invalid string is ignored, an empty string is placed in
1427 the variable.
1428
30dba1e6
PH
1429PH/46 Messages that are created by the autoreply transport now contains a
1430 References: header, in accordance with RFCs 2822 and 3834.
1431
382afc6b
PH
1432PH/47 Added authenticated_sender_force to the smtp transport.
1433
a86229cf
PH
1434PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1435
50c99ba6
PH
1436PH/49 Installed latest patch from the Sieve maintainer.
1437
d35e429d
PH
1438PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1439 was also set, the appendfile transport was unnecessarily scanning a
1440 directory of message files (e.g. for maildir delivery) to find the count
1441 of files (along with the size), even though it did not need this
1442 information. It now does the scan only if it needs to find either the
1443 size of the count of files.
1444
f90d018c
PH
1445PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1446
75def545
PH
1447PH/52 Two bugs concerned with error handling when the smtp transport is
1448 used in LMTP mode:
1449
1450 (i) Exim was not creating retry information for temporary errors given
1451 for individual recipients after the DATA command when the smtp transport
1452 was used in LMTP mode. This meant that they could be retried too
1453 frequently, and not timed out correctly.
1454
1455 (ii) Exim was setting the flag that allows error details to be returned
1456 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1457 recipients that were returned after the DATA command.
1458
1459PH/53 This is related to PH/52, but is more general: for any failing address,
1460 when detailed error information was permitted to be returned to the
1461 sender, but the error was temporary, then after the final timeout, only
1462 "retry timeout exceeded" was returned. Now it returns the full error as
1463 well as "retry timeout exceeded".
1464
c46782ef
PH
1465PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1466 do this, and (what is worse) MTAs that accept it.
1467
71fafd95
PH
1468PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1469 will now be deprecated.
1470
2c5db4fd
PH
1471PH/56 New os.c-cygwin from the Cygwin maintainer.
1472
9cf6b11a
JJ
1473JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1474 formats (previously only available in exim formats via -bpr, -bpru,
1475 and -bpra. Now also available in native and exiqgrep formats)
1476
1477JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1478 with very large, slow to parse queues
1479
1480JJ/08 exipick: added ! as generic prefix to negate any criteria format
1481
1482JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1483
898d150f
PH
1484PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1485 responses to authentication challenges, though it was showing the
1486 challenges; (ii) I've removed the CR characters from the debug output for
1487 SMTP output lines.
1488
46218253
PH
1489PH/58 Allow for the insertion of a newline as well as a space when a string
1490 is turned into more than one encoded-word during RFC 2047 encoding. The
1491 Sieve code now uses this.
1492
e97957bc
PH
1493PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1494 data_4xx, lost_connection, tls_required.
1495
81e509d7
PH
1496PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1497 message was being sent as an SMTP response.
1498
3d240ff7
PH
1499PH/61 Add -l and -k options to exicyclog.
1500
b37c4101
PH
1501PH/62 When verifying, if an address was redirected to one new address, so that
1502 verification continued, and the new address failed or deferred after
1503 having set something in $address_data, the value of $address_data was not
1504 passed back to the ACL. This was different to the case when no
1505 redirection occurred. The value is now passed back in both cases.
1506
79378e0f
PH
1507PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1508 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1509 use login_cap.h, so on its own it isn't the distinguishing feature. The
1510 new name refers directly to the setclassresources() function.
1511
e49c7bb4
PH
1512PH/65 Added configuration files for NetBSD3.
1513
d114ec46
PH
1514PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1515
f3d7df6c
PH
1516PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1517 is preferred over IPv4.
1518
715ab376
PH
1519PH/68 The bounce_return_message and bounce_return_body options were not being
1520 honoured for bounces generated during the reception of non-SMTP messages.
1521 In particular, this applied to messages rejected by the ACL. This bug has
1522 been fixed. However, if bounce_return_message is true and bounce_return_
1523 body is false, the headers that are returned for a non-SMTP message
1524 include only those that have been read before the error was detected.
1525 (In the case of an ACL rejection, they have all been read.)
1526
6b31b150
PH
1527PH/69 The HTML version of the specification is now built in a directory called
1528 spec_html instead of spec.html, because the latter looks like a path with
1529 a MIME-type, and this confuses some software.
1530
1531PH/70 Catch two compiler warnings in sieve.c.
1532
d515a917
PH
1533PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1534 function verify_get_ident() calls ip_connect() to connect a socket, but
1535 if the "connect()" function timed out, ip_connect() used to close the
1536 socket. However, verify_get_ident() also closes the socket later, and in
1537 between Exim writes to the log, which may get opened at this point. When
1538 the socket was closed in ip_connect(), the log could get the same file
1539 descriptor number as the socket. This naturally causes chaos. The fix is
1540 not to close the socket in ip_connect(); the socket should be closed by
1541 the function that creates it. There was only one place in the code where
1542 this was missing, in the iplookup router, which I don't think anybody now
1543 uses, but I've fixed it anyway.
1544
9b8fadde
PH
1545PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1546 well as to direct DNS lookups. Otherwise the handling of names in host
1547 lists is inconsistent and therefore confusing.
1548
214e2000 1549
5de37277
PH
1550Exim version 4.60
1551-----------------
1552
cc38ddbf
PH
1553PH/01 Two changes to the default runtime configuration:
1554
1555 (1) Move the checks for relay_from_hosts and authenticated clients from
1556 after to before the (commented out) DNS black list checks.
1557
1558 (2) Add control=submission to the relay_from_hosts and authenticated
1559 clients checks, on the grounds that messages accepted by these
1560 statements are most likely to be submissions.
5de37277 1561
72fdd6ae
PH
1562PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1563
1564 (1) Generate an error if the third argument for the ${prvs expansion is
1565 not a single digit.
1566
1567 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1568 string.
1569
1570 (3) Reset the variables that are obtained from the first argument of
1571 ${prvscheck and used in the second argument before leaving the code,
1572 because their memory is reclaimed, so using them afterwards may do
1573 silly things.
1574
1575 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1576 one (it's much easier than Tom thought :-).
1577
1578 (5) Because of (4), we can now allow for the use of $prvscheck_result
1579 inside the third argument.
cb9328de 1580
cb741023
PH
1581PH/03 For some reason, the default setting of PATH when running a command from
1582 a pipe transport was just "/usr/bin". I have changed it to
1583 "/bin:/usr/bin".
1584
f174f16e
PH
1585PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1586 anything to be listed in the output from -bV.
b2f5a032 1587
c25242d7
PH
1588PH/05 When a filter generated an autoreply, the entire To: header line was
1589 quoted in the delivery log line, like this:
1590
1591 => >A.N.Other <ano@some.domain> <original@ddress> ...
1592
1593 This has been changed so that it extracts the operative address. There
1594 may be more than one such address. If so, they are comma-separated, like
1595 this:
1596
1597 => >ano@some.domain,ona@other.domain <original@ddress> ...
1598
82c19f95
PH
1599PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1600 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1601 not being looked up in the rDNS to get a host name, Exim was showing the
1602 IP address twice in Received: lines, even though the IP addresses were
1603 identical. For example:
1604
1605 Received: from [1.2.3.4] (helo=[1.2.3.4])
1606
1607 However, if the real host name was known, it was omitting the HELO data
1608 if it matched the actual IP address. This has been tidied up so that it
1609 doesn't show the same IP address twice.
1610
d7ffbc12
PH
1611PH/07 When both +timestamp and +memory debugging was on, the value given by
1612 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1613 called by the debug printing, thereby overwriting the timestamp buffer.
1614 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1615
9f526266
PH
1616PH/08 When the original message was included in an autoreply transport, it
1617 always said "this is a copy of the message, including all the headers",
1618 even if body_only or headers_only was set. It now gives an appropriate
1619 message.
1620
87fcc8b9
PH
1621PH/09 Applied a patch from the Sieve maintainer which:
1622
1623 o fixes some comments
1624 o adds the (disabled) notify extension core
1625 o adds some debug output for the result of if/elsif tests
1626 o points to the current vacation draft in the documentation
1627 and documents the missing references header update
1628
1629 and most important:
1630
1631 o fixes a bug in processing the envelope test (when testing
1632 multiple envelope elements, the last element determinted the
1633 result)
1634
456682f5
PH
1635PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1636 Electronic Mail") by including:
1637
1638 Auto-submitted: auto-generated
1639
1640 in the messages that it generates (bounce messages and others, such as
1641 warnings). In the case of bounce messages for non-SMTP mesages, there was
1642 also a typo: it was using "Auto_submitted" (underscore instead of
1643 hyphen). Since every message generated by Exim is necessarily in response
1644 to another message, thes have all been changed to:
1645
1646 Auto-Submitted: auto-replied
1647
1648 in accordance with these statements in the RFC:
1649
1650 The auto-replied keyword:
1651
1652 - SHOULD be used on messages sent in direct response to another
1653 message by an automatic process,
1654
1655 - MUST NOT be used on manually-generated messages,
1656
1657 - MAY be used on Delivery Status Notifications (DSNs) and Message
1658 Disposition Notifications (MDNs),
1659
1660 - MUST NOT be used on messages generated by automatic or periodic
1661 processes, except for messages which are automatic responses to
1662 other messages.
1663
3e46c1aa
PH
1664PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1665 to the default Received: header definition.
456682f5 1666
49826d12
PH
1667PH/12 Added log selector acl_warn_skipped (default on).
1668
eba0c039
PH
1669PH/13 After a successful wildlsearch lookup, discard the values of numeric
1670 variables because (a) they are in the wrong storage pool and (b) even if
1671 they were copied, it wouldn't work properly because of the caching.
1672
a0d6ba8a
PH
1673PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
1674 checking when decoding. Apparently there are clients that generate
1675 overlong encoded strings. Why am I not surprised?
1676
f0917727
PH
1677PH/15 If the first argument of "${if match_address" was not empty, but did not
1678 contain an "@" character, Exim crashed. Now it writes a panic log message
1679 and treats the condition as false.
1680
096fee00
PH
1681PH/16 In autoreply, treat an empty string for "once" the same as unset.
1682
024bd3c2
PH
1683PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
1684 extension "envelope-auth". The code is finished and in agreement with
1685 other implementations, but there is no documentation so far and in fact,
1686 nobody wrote the draft yet. This extension is currently #undef'ed, thus
1687 not changing the active code.
1688
1689 Print executed "if" and "elsif" statements when debugging is used. This
1690 helps a great deal to understand what a filter does.
1691
1692 Document more things not specified clearly in RFC3028. I had all this
1693 sorted out, when out of a sudden new issues came to my mind. Oops."
1694
df199fec
PH
1695PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
1696 (Bugzilla #53).
1697
d27f1df3
PH
1698PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
1699 canonical form (as documented). However, after a host name lookup from
1700 the IP address, check_host() was doing a simple string comparison with
1701 addresses acquired from the DNS when checking that the found name did
1702 have the original IP as one of its addresses. Since any found IPv6
1703 addresses are likely to be in abbreviated form, the comparison could
1704 fail. Luckily, there already exists a function for doing the comparison
1705 by converting both addresses to binary, so now that is used instead of
1706 the text comparison.
1707
96776534
PH
1708PH/20 There was another similar case to PH/19, when a complete host name was
1709 given in a host list; looking up its IP address could give an abbreviated
1710 form, whereas the current host's name might or might not be abbreviated.
1711 The same fix has been applied.
1712
5de37277 1713
9a799bc0
PH
1714Exim version 4.54
1715-----------------
1716
1717PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
1718 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
1719 It now does.
1720
99a4b039
PH
1721PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
1722 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
1723
1724PH/03 Typo: missing ".o" in src/pcre/Makefile.
1725
4b233853
PH
1726PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
1727 header line, restrict the check to what is listed in RFCs 2369 and 2929.
1728 Also, for "Auto-Submitted", treat anything other than "no" as
1729 non-personal, in accordance with RFC 3834. (Previously it treated
1730 anything starting "auto-" as non-personal.)
1731
8857ccfd
PH
1732TF/01 The control=submission/name=... option had a problem with syntax
1733 errors if the name included a slash character. The /name= option
1734 now slurps the rest of the string, so it can include any characters
1735 but it must come last in the list of options (after /sender_retain
1736 or /domain=).
1737
433a2980
PH
1738PH/05 Some modifications to the interface to the fake nameserver for the new
1739 testing suite.
1740
3e46c1aa 1741
9a799bc0 1742
e3a311ba
TK
1743Exim version 4.53
1744-----------------
1745
1746TK/01 Added the "success_on_redirect" address verification option. See
1747 NewStuff for rationale and an example.
1748
13b685f9
PH
1749PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
1750
395ff96d
PH
1751PH/02 Patch to exigrep to allow it to work on syslog lines.
1752
5b68f6e4
PH
1753PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
1754 fread() to skip over the body file's header line, because in Cygwin the
1755 header line is locked and is inaccessible.
1756
1ab52c69
PH
1757PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
1758 co-exist for some time) to make it clear that it is the Exim ID that is
1759 referenced, not the Message-ID: header line.
1760
b07e6aa3
PH
1761PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
1762 string_format() function, because snprintf() does not exist on all
1763 operating systems.
1764
254e032f
PH
1765PH/06 The use of forbid_filter_existstest now also locks out the use of the
1766 ${stat: expansion item.
1767
3af76a81
PH
1768PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
1769 protocol synchronization error", to keep the pedants happy.
1770
2548ba04
PH
1771PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
1772 well as for IRIX systems, when gcc is being used. See the host.c source
1773 file for comments.
1774
b6c6011d
PH
1775PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
1776
cf39cf57
PH
1777PH/10 Named domain lists were not working if used in a queue_smtp_domains
1778 setting.
1779
f1513293
PH
1780PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
1781 transport and to the smtp transport in LMTP mode.
1782
727549a4
PH
1783TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
1784
af46795e
PH
1785PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
1786 run a filter in a subprocess. This could lead to confusion in subsequent
1787 lookups in the parent process. There should also be a search_tidyup() at
1788 the end of the subprocess.
1789
d7b47fd0
PH
1790PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
1791 only if the host matched helo_try_verify_hosts, which caused the
1792 verification to occur when the EHLO/HELO command was issued. The ACL just
1793 tested the remembered result. Now, if a previous verification attempt has
1794 not happened, "verify = helo" does it there and then.
1795
ee744174
JJ
1796JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
1797
b582ab87
PH
1798TK/03 Fix log output including CR from clamd.
1799
41a13e0a
PH
1800PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
1801 exist provoked a memory error which could cause a segfault.
1802
f625cc5a
PH
1803PH/15 Installed PCRE 6.2
1804
1805PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
1806
21f7af35
PH
1807PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
1808 of the problem. Specifically, suggested +O2 rather than +O1 for the
1809 HP-UX compiler.
1810
31480e42
PH
1811PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
1812
2d280592
PH
1813PH/20 If a delivery was routed to a non-standard port by means of an SRV
1814 record, the port was not correctly logged when the outgoing_port log
1815 selector was set (it logged the transort's default port).
1816
7cd1141b
PH
1817PH/21 Added support for host-specific ports to manualroute, queryprogram,
1818 fallback_hosts, and "hosts" in the smtp transport.
1819
1820PH/22 If the log selector "outgoing_port" is set, the port is now also given on
1821 host errors such as "Connection refused".
1822
750af86e
PH
1823PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
1824 authentication with radiusclient 0.4.9:
1825
1826 - Error returned from rc_read_config was caught wrongly
1827 - Username/password not passed on to radius server due to wrong length.
1828
1829 The presumption is that some radiusclient API changes for 4.51/PH/17
1830 were not taken care of correctly. The code is still untested by me (my
1831 Linux distribution still has 0.3.2 of radiusclient), but it was
1832 contributed by a Radius user.
1833
1834PH/24 When doing a callout, the value of $domain wasn't set correctly when
1835 expanding the "port" option of the smtp transport.
1836
4304270b
TK
1837TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
1838 while reading a MIME header. Thanks to Tom Hughes for a patch.
1839
750af86e
PH
1840PH/24 Include config.h inside local_scan.h so that configuration settings are
1841 available.
1842
64ffc24f
PH
1843PH/25 Make $smtp_command_argument available after all SMTP commands. This means
1844 that in an ACL for RCPT (for example), you can examine exactly what was
1845 received.
1846
5dd9625b
PH
1847PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
1848 commands, but it was not correctly comparing the address with the actual
1849 client host address. Thus, it would show the EHLO address in Received:
1850 header lines when this was not necessary.
1851
5591031b
PH
1852PH/27 Added the % operator to ${eval:}.
1853
ba18e66a
PH
1854PH/28 Exim tries to create and chdir to its spool directory when it starts;
1855 it should be ignoring failures (because with -C, for example, it has lost
1856 privilege). It wasn't ignoring creation failures other than "already
1857 exists".
1858
9cec981f
PH
1859PH/29 Added "crypteq" to the list of supported features that Exim outputs when
1860 -bV or -d is used.
1861
aa2b5c79
PH
1862PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
1863 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
1864 too many continuations, the temporary file was not being removed, and the
1865 return code was incorrect.
aa2b5c79 1866
48a53b7f
PH
1867PH/31 Missing "BOOL" in function definition in filtertest.c.
1868
1c59d63b
PH
1869PH/32 Applied Sieve patches from the maintainer.
1870
671012da
TK
1871TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
1872
1509d3a8
PH
1873PH/33 Added "verify = not_blind".
1874
1875PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
1876 Local/Makefile (with some defaults set). These are used in built scripts
1877 such as exicyclog, but they have never been used in the exim_install
1878 script (though there are many overriding facilities there). I have
1879 arranged that the exim_install script now takes note of these two
1880 settings.
1881
1882PH/35 Installed configuration files for Dragonfly.
1883
2fe1a124
PH
1884PH/36 When a locally submitted message by a trusted user did not contain a
1885 From: header, and the sender address was obtained from -f or from an SMTP
1886 MAIL command, and the trusted user did not use -F to supply a sender
1887 name, $originator_name was incorrectly used when constructing a From:
1888 header. Furthermore, $originator_name was used for submission mode
1889 messages from external hosts without From: headers in a similar way,
1890 which is clearly wrong.
1891
8800895a
PH
1892PH/37 Added control=suppress_local_fixups.
1893
ccfdb010
PH
1894PH/38 When log_selector = +received_sender was set, and the addition of the
1895 sender made the log line's construction buffer exactly full, or one byte
1896 less than full, an overflow happened when the terminating "\n" was
1897 subsequently added.
1898
1130bfb0
PH
1899PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
1900 when the result of a list match is failure because a DNS lookup failed.
1901
ebcb507f
PH
1902PH/40 RM_COMMAND is now used in the building process.
1903
c35e155c
PH
1904PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
1905 the "build-* directories that it finds.
1906
95d1f782
PH
1907PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
1908 address in a domain literal was a prefix of an interface address.
1909
fd6de02e
PH
1910PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
1911 when verifying a sender address, unless rewrite_headers is false.
1912
58de37c5
PH
1913PH/44 Wrote a long comment about why errors_to addresses are verified as
1914 recipients, not senders.
1915
261cf466
TF
1916TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
1917 the ratelimit ACL was added.
1918
3ee512ff
PH
1919PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
1920
e08c430f
PH
1921PH/46 Added extra information about PostgreSQL errors to the error string.
1922
bef5a11f
PH
1923PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
1924 avoiding the need to install special zones in a real server. This is
1925 backwards compatible; if it can't find the fake resolver, it drops back.
1926 Thus, both old and new test suites can be run.
1927
7546de58
TF
1928TF/02 Added util/ratelimit.pl
1929
e5d5a95f
TF
1930TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
1931 clock is set back in time.
1932
2e88a017
TF
1933TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
1934 Candler <B.Candler@pobox.com>.
1935
a5f65aa4
TF
1936TF/05 The fix for PH/43 was not completely correct; widen_domains is always
1937 OK for addresses that are the result of redirections.
1938
e7726cbf
PH
1939PH/48 A number of further additions for the benefit of the new test suite,
1940 including a fake gethostbyname() that interfaces to the fake DNS resolver
1941 (see PH/47 above).
1942
a7fdad5b
TF
1943TF/06 The fix for widen_domains has also been applied to qualify_single and
1944 search_parents which are the other dnslookup options that can cause
1945 header rewrites.
1946
6af56900
PH
1947PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
1948 type ("H").
1949
0925ede6
PH
1950PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
1951
66afa403
TF
1952TF/07 Exim produced the error message "an SRV record indicated no SMTP
1953 service" if it encountered an MX record with an empty target hostname.
1954 The message is now "an MX or SRV record indicated no SMTP service".
1955
0154e85a
TF
1956TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
1957 if the DNS of the sending site is misconfigured. This is quite a
1958 common situation. This change restores the behaviour of treating a
1959 helo verification defer as a failure.
1960
16f12c76
PH
1961PH/51 If self=fail was set on a router, the bounce message did not include the
1962 actual error message.
1963
bbe902f0 1964
e5a9dba6
PH
1965Exim version 4.52
1966-----------------
1967
1968TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
1969
22c3b60b
PH
1970PH/01 When a transport filter timed out in a pipe delivery, and the pipe
1971 command itself ended in error, the underlying message about the transport
1972 filter timeout was being overwritten with the pipe command error. Now the
1973 underlying error message should be appended to the second error message.
1974
06a9b4b5
PH
1975TK/01 Fix poll() being unavailable on Mac OSX 10.2.
1976
c1ac6996
PH
1977PH/02 Reduce the amount of output that "make" produces by default. Full output
1978 can still be requested.
1979
9c7a242c
PH
1980PH/03 The warning log line about a condition test deferring for a "warn" verb
1981 was being output only once per connection, rather than after each
1982 occurrence (because it was using the same function as for successful
1983 "warn" verbs). This seems wrong, so I have changed it.
1984
87ba3f5f
PH
1985TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
1986 it should not have, which might have caused a crash in the right
1987 circumstances, but probably never did.
1988
1989PH/04 Installed a modified version of Tony Finch's patch to make submission
1990 mode fix the return path as well as the Sender: header line, and to
1991 add a /name= option so that you can make the user's friendly name appear
1992 in the header line.
1993
29aba418
TF
1994TF/03 Added the control = fakedefer ACL modifier.
1995
fe0dab11
TF
1996TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
1997 Mark Lowes for thorough testing.
870f6ba8 1998
11d337a4
TK
1999TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
2000
2001TK/03 Merged latest SRS patch from Miles Wilton.
2002
415c8f3b
PH
2003PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
2004 with the definition in sysexits.h (which is #included earlier).
2005 Fortunately, Exim does not actually use EX_OK. The code used to try to
2006 preserve the sysexits.h value, by assumimg that macro definitions were
2007 scanned for macro replacements. I have been disabused of this notion,
2008 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 2009
958541e9
PH
2010PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
2011 in the smtp transport. When a block could not be written in a single
2012 write() function, the timeout was being re-applied to each part-write.
2013 This seems wrong - if the receiver was accepting one byte at a time it
2014 would take for ever. The timeout is now adjusted when this happens. It
2015 doesn't have to be particularly precise.
2016
c206415f
TK
2017TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
2018 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
2019
2a4be8f9
PH
2020PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
2021 without a domain if the check to <postmaster@domain> fails.
2022
1cba11c5
SC
2023SC/01 Eximstats: added -xls and the ability to specify output files
2024 (patch written by Frank Heydlauf).
2025
2026SC/02 Eximstats: use FileHandles for outputing results.
2027
2028SC/03 Eximstats: allow any combination of xls, txt, and html output.
2029
2030SC/04 Eximstats: fixed display of large numbers with -nvr option
2031
2032SC/05 Eximstats: fixed merging of reports with empty tables.
2033
2034SC/06 Eximstats: added the -include_original_destination flag
2035
2036SC/07 Eximstats: removed tabs and trailing whitespace.
2037
1005d00e
TK
2038TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
2039
2040TK/06 MBOX spool code: Add real "From " MBOX separator line
2041 so the .eml file is really in mbox format (even though
2042 most programs do not really care). Patch from Alex Miller.
2043
2044TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
2045 The latter is generated from $received_to and is only set if the
2046 message has one envelope recipient. SA can use these headers,
2047 obviously out-of-the-box. Patch from Alex Miller.
2048
9b4768fa
PH
2049PH/08 The ${def test on a variable was returning false if the variable's
2050 value was "0", contrary to what the specification has always said!
2051 The result should be true unless the variable is empty.
2052
2053PH/09 The syntax error of a character other than { following "${if
2054 def:variable_name" (after optional whitespace) was not being diagnosed.
2055 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
2056 accidental colon was present, for example, could give incorrect results.
2057
0d7eb84a
PH
2058PH/10 Tidied the code in a number of places where the st_size field of a stat()
2059 result is used (not including appendfile, where other changes are about
2060 to be made).
2061
2062PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
2063 This involved changing a lot of size variables from int to off_t. It
2064 should work with maildirs and everything.
2065
40727bee
TK
2066TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
2067 spamd dying while we are connected to it.
2068
554d2369
TF
2069TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
2070 <jgh@wizmail.org>
2071
1f922db1
PH
2072PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2073 function for BDB 4.3.
2074
ef213c3b
PH
2075PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2076
8ac170f3
PH
2077PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2078 the sources for PCRE have been re-arranged and more files are now
2079 involved.
2080
b1c749bb
PH
2081PH/15 The code I had for printing potentially long long variables in PH/11
2082 above was not the best (it lost precision). The length of off_t variables
2083 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2084 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2085 to be "long long int" or "long int". This is needed for the internal
2086 formatting function string_vformat().
b1c749bb 2087
4aac9b49
PH
2088PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2089 the configuration file to be ":syslog", then the script "guesses" where
2090 the logs files are, rather than using the compiled in default. In our
2091 case the guess is not the same as the compiled default, so the script
2092 suddenly stopped working when I started to use syslog. The patch checks
2093 to see if log_file_path is "". If so, it attempts to read it from exim
2094 with no configuration file to get the compiled in version, before it
2095 falls back to the previous guessing code."
2096
294520c8
TK
2097TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2098 implementing BATV in an Exim configuration. See NewStuff for the gory
2099 details.
2100
5bd022fe
PH
2101PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2102 Makefile that are specific to HP-UX.
2103
90e9ce59
PH
2104PH/18 If the "use_postmaster" option was set for a recipient callout together
2105 with the "random" option, the postmaster address was used as the MAIL
2106 FROM address for the random test, but not for the subsequent recipient
2107 test. It is now used for both.
2108
5ea81592
PH
2109PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2110 patch removes a few documentation additions to RFC 3028, because the
2111 latest draft now contains them. It adds the new en;ascii-case comparator
2112 and a new error check for 8bit text in MIME parts. Comparator and
2113 require names are now matched exactly. I enabled the subaddress
2114 extension, but it is not well tested yet (read: it works for me)."
2115
c6c2dc1d
PH
2116PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2117 rework some of the code of TK/09 above to avoid the hardwired use of
2118 "%lld" and "long long". Replaced the call to snprintf() with a call to
2119 string_vformat().
2120
fffffe4c
PH
2121PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2122 records point to non-existent hosts", "retry timeout exceeded", and
2123 "retry time not reached for any host after a long failure period".
ca02eafb 2124
9a26b6b2
PH
2125PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2126 experimental DomainKeys support:
2127
2128 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2129 (2) On an error such as an illegally used "control", the wrong name for
2130 the control was given.
2131
2132 These problems did NOT occur unless DomainKeys support was compiled.
2133
4aee0225
PH
2134PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2135
32d668a5
PH
2136PH/24 Added ${if match_ip condition.
2137
8187c3f3
PH
2138PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2139 databases so that it will be absolutely obvious if a crash occurs in the
2140 DB library. This is a regular occurrence (often caused by mis-matched
2141 db.h files).
2142
ff790e47 2143PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2144 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2145 picked up on a user's system that detects such things. There doesn't seem
2146 to be a gcc warning option for this - only an attribute that has to be
2147 put on the function's prototype. It seems that in Fedora Core 4 they have
2148 set this on a number of new functions. No doubt there will be more in due
2149 course.
ff790e47 2150
5417f6d1
PH
2151PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2152 specify a transport. However, if an address that was verified by such a
2153 router was the subject of a callout, Exim crashed because it tried to
2154 read the rcpt_include_affixes from the non-existent transport. Now it
2155 just assumes that the setting of that option is false. This bug was
2156 introduced by 4.51/PH/31.
2157
59cf8544
PH
2158PH/28 Changed -d+all to exclude +memory, because that information is very
2159 rarely of interest, but it makes the output a lot bigger. People tend to
2160 do -d+all out of habit.
2161
e7ad8a65
PH
2162PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2163 code in os-type was giving problems when libc.so lives in lib64, like on
2164 x86_64 Fedora Core.
2165
ade42478
PH
2166PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2167 aren't the modern standard, and it seems that some systems' include files
2168 don't always have them. Exim was already checking for some of the newer
2169 ones like T_AAAA, and defining it itself. I've added checks for all the
2170 record types that Exim uses.
2171
182ad5cf
PH
2172PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2173 not automatically generating a new one, as it is supposed to. This
2174 prevented TLS from working. If the file did exist, but contained invalid
2175 data, a new version was generated, as expected. It was only the case of a
2176 non-existent file that was broken.
2177
b0d9fc80
TK
2178TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2179 with a change in libdomainkeys > 0.64.
2180
2181TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2182 from DNS. If the selector record carries the flag, it now has
2183 precedence over the domain-wide flag.
2184
2185TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2186
47c7a64a
PH
2187PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2188 the use of a port name that isn't defined in /etc/services) occurred, the
2189 message was deferred as in a normal delivery, and thus remained on the
2190 spool, instead of being failed because of the mua_wrapper setting. This
2191 is now fixed, and I tidied up some of the mua_wrapper messages at the
2192 same time.
2193
a388bce4
SC
2194SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2195 the messages in a hash of arrays rather than using individual hashes.
2196 This is a bit cleaner and results in dramatic memory savings, albeit
2197 at a slight CPU cost.
2198
2199SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2200 as requested by Marc Sherman.
2201
2202SC/10 Eximstats: added histograms for user specified patterns as requested
2203 by Marc Sherman.
2204
0793e4ed
SC
2205SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2206
c58b88df
PH
2207PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2208 fopen() in the content-scanning modules that did not already have it.
2209
e7ad8a65 2210
7982096b
PH
2211Exim version 4.51
2212-----------------
2213
1a46a8c5
PH
2214TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2215 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2216
2f079f46 2217TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2218
2219TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2220
2221PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2222 to test Sieve filters that use "vacation".
2223
2224PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2225 that changes the way the GnuTLS parameters are stored in the cache file.
2226 The new format can be generated externally. For backward compatibility,
2227 if the data in the cache doesn't make sense, Exim assumes it has read an
2228 old-format file, and it generates new data and writes a new file. This
2229 means that you can't go back to an older release without removing the
2230 file.
2231
2232PH/03 A redirect router that has both "unseen" and "one_time" set does not
2233 work if there are any delivery delays because "one_time" forces the
2234 parent to be marked "delivered", so its unseen clone is never tried
2235 again. For this reason, Exim now forbids the simultaneous setting of
2236 these two options.
2237
2238PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2239 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2240 entry if you want to know the details. The fix, however, neglected to
2241 consider the case when local delivery batching is involved. The test for
2242 "previously delivered" was not happening when checking to see if an
2243 address could be batched with a previous (undelivered) one; under
2244 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2245 address.
1a46a8c5
PH
2246
2247PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2248 in its include files, and this causes problems building Exim.
2249
2250PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2251 header_syntax) but Exim was just ignoring anything given after a slash.
2252 In particular, this caused confusion with an attempt to use "verify =
2253 reverse_host_lookup/defer_ok". An error is now given when options are
2254 supplied for verify items that do not have them. (Maybe reverse_host_
2255 lookup should have a defer_ok option, but that's a different point.)
2256
2257PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2258 defined by RFC 821) to 2048, because there were problems with some AUTH
2259 commands, and RFC 1869 says the size should be increased for extended
2260 SMTP commands that take arguments.
2261
2262PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2263 Finch).
2264
2265PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2266 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2267
49c2d5ea
PH
2268PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2269 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2270 whatever). Otherwise the password may appear in the log. Following change
2271 PH/42 below, there is no longer a chance of it appearing in a bounce
2272 message.
49c2d5ea 2273
bf759a8b
PH
2274PH/11 Installed exipick version 20050225.0 from John Jetmore.
2275
83364d30
PH
2276PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2277 of its addresses was ever tried. (Bugzilla bug #2.)
2278
7999bbd7
PH
2279PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2280 the result incorrectly in the debug output. (It correctly added a newline
2281 to what was transported.)
2282
7dbf77c9
PH
2283TF/01 Added $received_time.
2284
74e0617f
PH
2285PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2286 commented out examples of how to interface to a virus scanner and to
2287 SpamAssassin. Also added commented examples of av_scanner and
2288 spamd_address settings.
2289
2f079f46
PH
2290PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2291 and controls are allowed in which ACLs. There were a couple of minor
2292 errors. Some of the entries in the conditions table (which is a table of
2293 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2294 negation of where the condition IS allowed.
2295
8c841523
PH
2296PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2297
7766a4f0
PH
2298PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2299 header file does not have a version number, so I've had to invent a new
2300 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2301 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2302 radiusclient), but it was contributed by a Radius user.
2303
8b417f2c
PH
2304PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2305 files or directories, for OpenSSL.
2306
901f42cb
PH
2307PH/19 When an Exim process that is running as root has to create an Exim log
2308 file, it does so in a subprocess that runs as exim:exim so as to get the
2309 ownership right at creation (otherwise, other Exim processes might see
2310 the file with the wrong ownership). There was no test for failure of this
2311 fork() call, which would lead to the process getting stuck as it waited
2312 for a non-existent subprocess. Forks do occasionally fail when resources
2313 run out. I reviewed all the other calls to fork(); they all seem to check
2314 for failure.
2315
f9b9210e
PH
2316PH/20 When checking for unexpected SMTP input at connect time (before writing
2317 the banner), Exim was not dealing correctly with a non-positive return
2318 from the read() function. If the client had disconnected by this time,
2319 the result was a log entry for a synchronization error with an empty
2320 string after "input=" when read() returned zero. If read() returned -1
2321 (an event I could not check), uninitialized data bytes were printed.
2322 There were reports of junk text (parts of files, etc) appearing after
2323 "input=".
2324
54cdb463
PH
2325PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2326
cf00dad6
PH
2327PH/22 Added support for macro redefinition, and (re)definition in between
2328 driver and ACL definitions.
2329
acb1b346
PH
2330PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2331 forgetting to use the resulting value; it was using the unexpanded value.
2332
c5ddb310
PH
2333PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2334 hadn't been configured. The fix is from Juergen Kreileder, who
2335 understands it better than I do:
2336
2337 "Here's what I see happening with three configured cyrus_sasl
2338 authenticators configured (plain, login, cram-md5):
2339
2340 On startup auth_cyrus_sasl_init() gets called for each of these.
2341 This means three calls to sasl_listmech() without a specified mech_list.
2342 => SASL tests which mechs of all available mechs actually work
2343 => three warnings about OTP not working
2344 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2345
2346 With the patch, sasl_listmech() also gets called three times. But now
2347 SASL's mech_list option is set to the server_mech specified in the the
2348 authenticator. Or in other words, the answer from sasl_listmech()
2349 gets limited to just the mech you're testing for (which is different
2350 for each call.)
2351 => the return list contains just 'plain' or 'login', 'cram-md5' or
2352 nothing depending on the value of ob->server_mech.
2353
2354 I've just tested the patch: Authentication still works fine,
2355 unavailable mechs specified in the exim configuration are still
2356 caught, and the auth.log warnings about OTP are gone."
2357
31619da6
PH
2358PH/25 When debugging is enabled, the contents of the command line are added
2359 to the debugging output, even when log_selector=+arguments is not
2360 specified.
2361
bebaf0fc
PH
2362PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2363 answer is "GNU", and only if the return is "GNU/something" is the answer
2364 "Linux".
2365
475fe28a
PH
2366PH/27 $acl_verify_message is now set immediately after the failure of a
2367 verification in an ACL, and so is available in subsequent modifiers. In
2368 particular, the message can be preserved by coding like this:
2369
2370 warn !verify = sender
2371 set acl_m0 = $acl_verify_message
2372
2373 Previously, $acl_verify_message was set only while expanding "message"
2374 and "log_message" when a very denied access.
2375
7e8bec7a
PH
2376PH/28 Modified OS/os.c-Linux with
2377
2378 -#ifndef OS_LOAD_AVERAGE
2379 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2380
2381 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2382 nomenclature these days.)
2383
e4a89c47
PH
2384PH/29 Installed patch from the Sieve maintainer that adds the options
2385 sieve_useraddress and sieve_subaddress to the redirect router.
2386
5ca2a9a1
PH
2387PH/30 In these circumstances:
2388 . Two addresses routed to the same list of hosts;
2389 . First host does not offer TLS;
2390 . First host accepts first address;
2391 . First host gives temporary error to second address;
2392 . Second host offers TLS and a TLS session is established;
2393 . Second host accepts second address.
2394 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2395 and peerdn, if requested) that were in fact used only for the second
2396 address.
7e8bec7a 2397
c688b954
PH
2398PH/31 When doing a callout as part of verifying an address, Exim was not paying
2399 attention to any local part prefix or suffix that was matched by the
2400 router that accepted the address. It now behaves in the same way as it
2401 does for delivery: the affixes are removed from the local part unless
2402 rcpt_include_affixes is set on the transport.
2403
fed77020
PH
2404PH/32 Add the sender address, as F=<...>, to the log line when logging a
2405 timeout during the DATA phase of an incoming message.
2406
7fe1560f
PH
2407PH/33 Sieve envelope tests were broken for match types other than :is. I have
2408 applied a patch sanctioned by the Sieve maintainer.
c688b954 2409
ebb6e6d5
PH
2410PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2411 the uid or gid is negative. A case of a negative gid caused this to be
2412 noticed. The fix allows for either to be negative.
2413
9c4e8f60
PH
2414PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2415 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2416 overlooked.
2417
2418PH/36 The change PH/12 above was broken. Fixed it.
2419
d7174846
PH
2420PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2421 the grounds that routing the same address twice would always produce the
2422 same answer. This might have been true once, but it is certainly no
2423 longer true now. Routing a child address may depend on the previous
2424 routing that produced that child. Some complicated redirection strategies
2425 went wrong when messages had multiple recipients, and made Exim's
2426 behaviour dependent on the order in which the addresses were given.
2427
2428 I have moved the duplicate checking until after the routing is complete.
2429 Exim scans the addresses that are assigned to local and remote
2430 transports, and removes any duplicates. This means that more work will be
2431 done, as duplicates will always all be routed, but duplicates are
2432 presumably rare, so I don't expect this is of any significance.
2433
2434 For deliveries to pipes, files, and autoreplies, the duplicate checking
2435 still happens during the routing process, since they are not going to be
2436 routed further.
2437
cfe75fc3
PH
2438PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2439 It corrects a timeout issue with spamd. This is Ian's comment: "The
2440 background is that sometimes spamd either never reads data from a
2441 connection it has accepted, or it never writes response data. The exiscan
2442 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2443 blindly assumes that writes won't block so it may never time out."
2444
be22d70e
PH
2445PH/39 Allow G after quota size as well as K and M.
2446
0612b098
PH
2447PH/40 The value set for $authenticated_id in an authenticator may not contain
2448 binary zeroes or newlines because the value is written to log lines and
2449 to spool files. There was no check on this. Now the value is run through
2450 the string_printing() function so that such characters are converted to
2451 printable escape sequences.
2452
2e0c1448
PH
2453PH/41 $message_linecount is a new variable that contains the total number of
2454 lines in the message. Compare $body_linecount, which is the count for the
2455 body only.
2456
447d236c
PH
2457PH/42 Exim no longer gives details of delivery errors for specific addresses in
2458 bounce and delay warning messages, except in certain special cases, which
2459 are as follows:
2460
2461 (a) An SMTP error message from a remote host;
2462 (b) A message specified in a :fail: redirection;
2463 (c) A message specified in a "fail" command in a system filter;
2464 (d) A message specified in a FAIL return from the queryprogram router;
2465 (e) A message specified by the cannot_route_message router option.
2466
2467 In these cases only, Exim does include the error details in bounce and
2468 warning messages. There are also a few cases where bland messages such
2469 as "unrouteable address" or "local delivery error" are given.
2470
d20976dc
PH
2471PH/43 $value is now also set for the "else" part of a ${run expansion.
2472
f656d135
PH
2473PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2474 being worked on, but at least Exim now implements the latest version to
2475 play with."
2476
2e2a30b4
PH
2477PH/45 In a pipe transport, although a timeout while waiting for the pipe
2478 process to complete was treated as a delivery failure, a timeout while
2479 writing the message to the pipe was logged, but erroneously treated as a
2480 successful delivery. Such timeouts include transport filter timeouts. For
2481 consistency with the overall process timeout, these timeouts are now
2482 treated as errors, giving rise to delivery failures by default. However,
2483 there is now a new Boolean option for the pipe transport called
2484 timeout_defer, which, if set TRUE, converts the failures into defers for
2485 both kinds of timeout. A transport filter timeout is now identified in
2486 the log output.
2487
9176e9f0
PH
2488PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2489 systems where "make" and "gmake" are different, calling "gmake" at top
2490 level broke things. I've arranged for the value of $(MAKE) to be passed
2491 from the Makefile to this script so that it can call the same version of
2492 "make".
2493
7982096b 2494
bbe902f0
PH
2495A note about Exim versions 4.44 and 4.50
2496----------------------------------------
2497
2498Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2499changes of various kinds. As a consequence, a big documentation update was
2500needed. This delayed the release for rather longer than seemed good, especially
2501in the light of a couple of (minor) security issues. Therefore, the changes
2502that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2503release. So 4.44 and 4.50 are in effect two different branches that both start
2504from 4.43.
2505
2506I have left the 4.50 change log unchanged; it contains all the changes since
25074.43. The change log for 4.44 is below; many of its items are identical to
2508those for 4.50. This seems to be the most sensible way to preserve the
2509historical information.
2510
2511
f7b63901 2512Exim version 4.50
495ae4b0
PH
2513-----------------
2514
5fe762f6
PH
2515 1. Minor wording change to the doc/README.SIEVE file.
2516
139059f6 2517 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2518 computation of the current number of files was incorrect.
495ae4b0 2519
7086e875
PH
2520 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2521 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2522 place.
2523
35af9f61
PH
2524 4. Give more explanation in the error message when the command for a transport
2525 filter fails to execute.
2526
b668c215
PH
2527 5. There are several places where Exim runs a non-Exim command in a
2528 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2529 was being done only for the command run by the queryprogram router. It is
2530 now done for all such subprocesses. The other cases are: ${run, transport
2531 filters, and the commands run by the lmtp and pipe transports.
2532
a494b1e1
PH
2533 6. Added CONFIGURE_GROUP build-time option.
2534
2535 7. Some older OS have a limit of 256 on the maximum number of file
2536 descriptors. Exim was using setrlimit() to set 1000 as a large value
2537 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2538 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2539
c5fcb476
PH
2540 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2541 was an oversight, and furthermore, ever since the addition of extra
2542 controls (e.g. 4.43/32), the checks on when to allow different forms of
2543 "control" were broken. There should now be diagnostics for all cases when a
2544 control that does not make sense is encountered.
2545
69358f02
PH
2546 9. Added the /retain_sender option to "control=submission".
2547
5be20824
PH
254810. $recipients is now available in the predata ACL (oversight).
2549
eb2c0248
PH
255011. Tidy the search cache before the fork to do a delivery from a message
2551 received from the command line. Otherwise the child will trigger a lookup
2552 failure and thereby defer the delivery if it tries to use (for example) a
2553 cached ldap connection that the parent has called unbind on.
2554
2a3eea10
PH
255512. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2556 of $address_data from the recipient verification was clobbered by the
2557 sender verification.
2558
255913. The value of address_data from a sender verification is now available in
2560 $sender_address_data in subsequent conditions in the ACL statement.
2561
23c7ff99
PH
256214. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2563
4deaf07d
PH
256415. Added a new option "connect=<time>" to callout options, to set a different
2565 connection timeout.
2566
926e1192
PH
256716. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2568 was its contents. (It was OK if the option was not defined at all.)
2569
650edc6f
PH
257017. A "Completed" log line is now written for messages that are removed from
2571 the spool by the -Mrm option.
2572
2c7db3f5
PH
257318. New variables $sender_verify_failure and $recipient_verify_failure contain
2574 information about exactly what failed.
2575
3d235903
PH
257619. Added -dd to debug only the daemon process.
2577
7c7ad977
PH
257820. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2579 handles timeouts, both on the server side and network timeouts. Renamed the
2580 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2581
981756db
PH
258221. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2583 It is now set to "smtps".
2584
d4eb88df
PH
258522. $host_address is now set to the target address during the checking of
2586 ignore_target_hosts.
2587
258823. When checking ignore_target_hosts for an ipliteral router, no host name was
2589 being passed; this would have caused $sender_host_name to have been used if
2590 matching the list had actually called for a host name (not very likely,
2591 since this list is usually IP addresses). A host name is now passed as
2592 "[x.x.x.x]".
2593
7d468ab8
PH
259424. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2595 code that specifies a non-restarting handler (typically sigaction() in
2596 modern systems) in an attempt to fix a rare and obscure crash bug.
2597
259825. Narrowed the window for a race in the daemon that could cause it to ignore
2599 SIGCHLD signals. This is not a major problem, because they are used only to
2600 wake it up if nothing else does.
2601
62c0818f
PH
260226. A malformed maildirsize file could cause Exim to calculate negative values
2603 for the mailbox size or file count. Odd effects could occur as a result.
2604 The maildirsize information is now recalculated if the size or filecount
2605 end up negative.
2606
26034054
PH
260727. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2608 support for a long time. Removed HAVE_SYS_VFS_H.
2609
af66f652
PH
261028. Installed the latest version of exipick from John Jetmore.
2611
90af77f4
PH
261229. In an address list, if the pattern was not a regular expression, an empty
2613 subject address (from a bounce message) matched only if the pattern was an
2614 empty string. Non-empty patterns were not even tested. This was the wrong
2615 because it is perfectly reasonable to use an empty address as part of a
2616 database query. An empty address is now tested by patterns that are
2617 lookups. However, all the other forms of pattern expect the subject to
2618 contain a local part and a domain, and therefore, for them, an empty
2619 address still always fails if the pattern is not itself empty.
2620
d8ef3577
PH
262130. Exim went into a mad DNS loop when attempting to do a callout where the
2622 host was specified on an smtp transport, and looking it up yielded more
2623 than one IP address.
2624
5cb8cbc6
PH
262531. Re-factored the code for checking spool and log partition space into a
2626 function that finds that data and another that does the check. The former
2627 is then used to implement four new variables: $spool_space, $log_space,
2628 $spool_inodes, and $log_inodes.
2629
14702f5b
PH
263032. The RFC2047 encoding function was originally intended for short strings
2631 such as real names; it was not keeping to the 75-character limit for
2632 encoded words that the RFC imposes. It now respects the limit, and
2633 generates multiple encoded words if necessary. To be on the safe side, I
2634 have increased the buffer size for the ${rfc2047: expansion operator from
2635 1024 to 2048 bytes.
2636
063b1e99
PH
263733. It is now permitted to omit both strings after an "if" condition; if the
2638 condition is true, the result is "true". As before, when the second string
2639 is omitted, a false condition yields an empty string. This makes it less
2640 cumbersome to write custom ACL and router conditions.
2641
652e1b65
PH
264234. Failure to deliver a bounce message always caused it to be frozen, even if
2643 there was an errors_to setting on the router. The errors_to setting is now
2644 respected.
2645
6f0c9a4f
PH
264635. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2647 canonical form (fully expanded) before being placed in
2648 $sender_host_address.
2649
33397d19
PH
265036. The table in the code that translates DNS record types into text (T_A to
2651 "A" for instance) was missing entries for NS and CNAME. It is just possible
2652 that this could have caused confusion if both these types were looked up
2653 for the same domain, because the text type is used as part of Exim's
2654 per-process caching. But the chance of anyone hitting this buglet seems
2655 very small.
2656
7bb56e1f
PH
265737. The dnsdb lookup has been extended in a number of ways.
2658
2659 (1) There is a new type, "zns", which walks up the domain tree until it
2660 finds some nameserver records. It should be used with care.
2661
ea3bc19b
PH
2662 (2) There is a new type, "mxh", which is like "mx" except that it returns
2663 just the host names, not the priorities.
2664
2665 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
2666 looked up. The behaviour when one of the lookups defers can be
2667 controlled by a keyword.
7bb56e1f 2668
ea3bc19b 2669 (4) It is now possible to specify the separator character for use when
7bb56e1f 2670 multiple records are returned.
33397d19 2671
0bcb2a0e
PH
267238. The dnslists ACL condition has been extended: it is now possible to supply
2673 a list of IP addresses and/or domains to be looked up in a particular DNS
2674 domain.
2675
2ac0e484
PH
267639. Added log_selector=+queue_time_overall.
2677
4e1fde53
PH
267840. When running the queue in the test harness, wait just a tad after forking a
2679 delivery process, to get repeatability of debugging output.
2680
de365ded
PH
268141. Include certificate and key file names in error message when GnuTLS fails
2682 to set them up, because the GnuTLS error message doesn't include the name
2683 of the failing file when there is a problem reading it.
2684
f05da2e8
PH
268542. Allow both -bf and -bF in the same test run.
2686
d6453af2
PH
268743. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
2688
f7b63901
PH
268944. The "Exiscan patch" is now merged into the mainline Exim source.
2690
269145. Sometimes the final signoff response after QUIT could fail to get
2692 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2693 < 0 before doing a fflush(). This bug looks as though it goes back to the
2694 introduction of TLS in release 3.20, but "sometimes" must have been rare
2695 because the tests only now provoked it.
2696
a444213a
PH
269746. Reset the locale to "C" after calling embedded Perl, in case it was changed
2698 (this can affect the format of dates).
2699
0ec020ea
PH
270047. exim_tidydb, when checking for the continued existence of a message for
2701 which it has found a message-specific retry record, was not finding
2702 messages that were in split spool directories. Consequently, it was
2703 deleting retry records that should have stayed in existence.
2704
b1206957
PH
270548. Steve fixed some bugs in eximstats.
2706
270749. The SPA authentication driver was not abandoning authentication and moving
2708 on to the next authenticator when an expansion was forced to fail,
2709 contradicting the general specification for all authenticators. Instead it
2710 was generating a temporary error. It now behaves as specified.
2711
26dd5a95
PH
271250. The default ordering of permitted cipher suites for GnuTLS was pessimal
2713 (the order specifies the preference for clients). The order is now AES256,
2714 AES128, 3DES, ARCFOUR128.
2715
343b2385
PH
271651. Small patch to Sieve code - explicitly set From: when generating an
2717 autoreply.
2718
1c5466b9
PH
271952. Exim crashed if a remote delivery caused a very long error message to be
2720 recorded - for instance if somebody sent an entire SpamAssassin report back
2721 as a large number of 550 error lines. This bug was coincidentally fixed by
2722 increasing the size of one of Exim's internal buffers (big_buffer) that
2723 happened as part of the Exiscan merge. However, to be on the safe side, I
2724 have made the code more robust (and fixed the comments that describe what
2725 is going on).
2726
55ee9ee3
PH
272753. Now that there can be additional text after "Completed" in log lines (if
2728 the queue_time_overall log selector is set), a one-byte patch to exigrep
2729 was needed to allow it to recognize "Completed" as not the last thing in
2730 the line.
2731
d38f8232
PH
273254. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
2733 patch that reportedly fixes this has been added. I am not expert enough to
2734 create a test for it. This is what the patch creator wrote:
2735
2736 "I found a little strange behaviour of ldap code when working with
2737 Windows 2003 AD Domain, where users was placed in more than one
2738 Organization Units. When I tried to give exim partial DN, the exit code
2739 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
2740 But simultaneously result of request was absolutely normal ldap result,
2741 so I produce this patch..."
2742
3295e65b
PH
2743 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
2744 REFERENCE, so I have modified the code to exclude the patch when that macro
2745 is not defined.
2746
7102e136
PH
274755. Some experimental protocols are using DNS PTR records for new purposes. The
2748 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
2749 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
2750 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 2751 CAN-2005-0021
7102e136 2752
3ca0ba97
PH
275356. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
2754
c2bcbe20
PH
275557. Double the size of the debug message buffer (to 2048) so that more of very
2756 long debug lines gets shown.
2757
18ce445d
PH
275858. The exicyclog utility now does better if the number of log files to keep
2759 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
2760
1f5b4c3d
PH
276159. Two changes related to the smtp_active_hostname option:
2762
2763 (1) $smtp_active_hostname is now available as a variable.
2764 (2) The default for smtp_banner uses $smtp_active_hostname instead
2765 of $primary_hostname.
2766
b975ba52
PH
276760. The host_aton() function is supposed to be passed a string that is known
2768 to be a valid IP address. However, in the case of IPv6 addresses, it was
2769 not checking this. This is a hostage to fortune. Exim now panics and dies
2770 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
2771 from a dnsdb PTR lookup with an IPv6 address that had more than 8
2772 components; fortuitously, this particular loophole had already been fixed
2773 by change 4.50/55 above.
2774
2775 If there are any other similar loopholes, the new check in host_aton()
2776 itself should stop them being exploited. The report I received stated that
2777 data on the command line could provoke the exploit when Exim was running as
2778 exim, but did not say which command line option was involved. All I could
2779 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
2780 running as the user.
ea3a6f44 2781 CAN-2005-0021
85b87bc2
PH
2782
278361. There was a buffer overflow vulnerability in the SPA authentication code
2784 (which came originally from the Samba project). I have added a test to the
2785 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 2786 CAN-2005-0022
b975ba52 2787
17ffcae7
PH
278862. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
2789 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
2790
d95f9fdb
PH
279163. The daemon start-up calls getloadavg() while still root for those OS that
2792 need the first call to be done as root, but it missed one case: when
2793 deliver_queue_load_max is set with deliver_drop_privilege. This is
2794 necessary for the benefit of the queue runner, because there is no re-exec
2795 when deliver_drop_privilege is set.
2796
86b8287f
PH
279764. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
2798 This has been fixed.
2799
60dc5e56
PH
280065. Caching of lookup data for "hosts =" ACL conditions, when a named host list
2801 was in use, was not putting the data itself into the right store pool;
2802 consequently, it could be overwritten for a subsequent message in the same
2803 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
2804 the caching.)
2805
533244af
PH
280666. Added hosts_max_try_hardlimit to the smtp transport, default 50.
2807
a5a28604
PH
280867. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
2809 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
2810 the function were treating the return as a boolean value, which happened to
2811 work because 0=false and not-0=true, but is not correct code.
2812
7e634d24
PH
281368. The host_aton() function was not handling scoped IPv6 addresses (those
2814 with, for example, "%eth0" on the end) correctly.
2815
3e11c26b
PH
281669. Fixed some compiler warnings in acl.c for the bitmaps specified with
2817 negated items (that is, ~something) in unsigned ints. Some compilers
2818 apparently mutter when there is no cast.
2819
6729cf78
PH
282070. If an address verification called from an ACL failed, and did not produce a
2821 user-specific message (i.e. there was only a "system" message), nothing was
2822 put in $acl_verify_message. In this situation, it now puts the system
2823 message there.
2824
00f00ca5
PH
282571. Change 4.23/11 added synchronization checking at the start of an SMTP
2826 session; change 4.31/43 added the unwanted input to the log line - except
2827 that it did not do this in the start of session case. It now does.
2828
c9bdd01c
PH
282972. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
2830 This is wrong and can cause the other end to generate a synchronization
2831 error if it is another Exim or anything else that does the synchronization
2832 check. A QUIT command is no longer sent after a timeout.
2833
d43194df
PH
283473. $host_lookup_deferred has been added, to make it easier to detect DEFERs
2835 during host lookups.
2836
fe5b5d0b
PH
283774. The defer_ok option of callout verification was not working if it was used
2838 when verifying addresses in header lines, that is, for this case:
2839
2840 verify = header_sender/callout=defer_ok
2841
76a2d7ba
PH
284275. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
2843 those file descriptors could be used for SMTP connections. If anything
2844 wrote to stderr (the example that came up was "warn" in embedded Perl), it
2845 could be sent to the SMTP client, causing chaos. The daemon now opens
2846 stdin, stdout, and stderr to /dev/null when it puts itself into the
2847 background.
2848
284976. Arrange for output from Perl's "warn" command to be written to Exim's main
2850 log by default. The user can override this with suitable Perl magic.
2851
04f7d5b9
PH
285277. The use of log_message on a "discard" ACL verb, which is supposed to add to
2853 the log message when discard triggers, was not working for the DATA ACL or
2854 for the non-SMTP ACL.
2855
bc60667e
PH
285678. Error message wording change in sieve.c.
2857
bb6e88ff
PH
285879. If smtp_accept_max_per_host was set, the number of connections could be
2859 restricted to fewer than expected, because the daemon was trying to set up
2860 a new connection before checking whether the processes handling previous
2861 connections had finished. The check for completed processes is now done
2862 earlier. On busy systems, this bug wouldn't be noticed because something
2863 else would have woken the daemon, and it would have reaped the completed
2864 process earlier.
2865
1e70f85b
PH
286680. If a message was submitted locally by a user whose login name contained one
2867 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
2868 It caused a spool format error. I have fixed the spool reading code. A
2869 related problem was that the "from" clause in the Received: line became
2870 illegal because of the space(s). It is now covered by ${quote_local_part.
2871
287281. Included the latest eximstats from Steve (adds average sizes to HTML Top
2873 tables).
2874
4e01f9d6
PH
287582. Updated OS/Makefile-AIX as per message from Mike Meredith.
2876
1ee1cef2
PH
287783. Patch from Sieve maintainer to fix unterminated string problem in
2878 "vacation" handling.
2879
6e2b4ccc
PH
288084. Some minor changes to the Linux configuration files to help with other
2881 OS variants using glibc.
2882
8e669ac1
PH
288385. One more patch for Sieve to update vacation handling to latest spec.
2884
495ae4b0 2885
bbe902f0
PH
2886----------------------------------------------------
2887See the note above about the 4.44 and 4.50 releases.
2888----------------------------------------------------
2889
2890
2891Exim version 4.44
2892-----------------
2893
2894 1. Change 4.43/35 introduced a bug that caused file counts to be
2895 incorrectly computed when quota_filecount was set in an appendfile
2896 transport
2897
2898 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2899 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2900 place.
2901
2902 3. Give more explanation in the error message when the command for a transport
2903 filter fails to execute.
2904
2905 4. There are several places where Exim runs a non-Exim command in a
2906 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2907 was being done only for the command run by the queryprogram router. It is
2908 now done for all such subprocesses. The other cases are: ${run, transport
2909 filters, and the commands run by the lmtp and pipe transports.
2910
2911 5. Some older OS have a limit of 256 on the maximum number of file
2912 descriptors. Exim was using setrlimit() to set 1000 as a large value
2913 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2914 systems. I've change it so that if it can't get 1000, it tries for 256.
2915
2916 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2917 was an oversight, and furthermore, ever since the addition of extra
2918 controls (e.g. 4.43/32), the checks on when to allow different forms of
2919 "control" were broken. There should now be diagnostics for all cases when a
2920 control that does not make sense is encountered.
2921
2922 7. $recipients is now available in the predata ACL (oversight).
2923
2924 8. Tidy the search cache before the fork to do a delivery from a message
2925 received from the command line. Otherwise the child will trigger a lookup
2926 failure and thereby defer the delivery if it tries to use (for example) a
2927 cached ldap connection that the parent has called unbind on.
2928
2929 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2930 of $address_data from the recipient verification was clobbered by the
2931 sender verification.
2932
293310. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2934 was its contents. (It was OK if the option was not defined at all.)
2935
293611. A "Completed" log line is now written for messages that are removed from
2937 the spool by the -Mrm option.
2938
293912. $host_address is now set to the target address during the checking of
2940 ignore_target_hosts.
2941
294213. When checking ignore_target_hosts for an ipliteral router, no host name was
2943 being passed; this would have caused $sender_host_name to have been used if
2944 matching the list had actually called for a host name (not very likely,
2945 since this list is usually IP addresses). A host name is now passed as
2946 "[x.x.x.x]".
2947
294814. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2949 code that specifies a non-restarting handler (typically sigaction() in
2950 modern systems) in an attempt to fix a rare and obscure crash bug.
2951
295215. Narrowed the window for a race in the daemon that could cause it to ignore
2953 SIGCHLD signals. This is not a major problem, because they are used only to
2954 wake it up if nothing else does.
2955
295616. A malformed maildirsize file could cause Exim to calculate negative values
2957 for the mailbox size or file count. Odd effects could occur as a result.
2958 The maildirsize information is now recalculated if the size or filecount
2959 end up negative.
2960
296117. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2962 support for a long time. Removed HAVE_SYS_VFS_H.
2963
ea3a6f44 296418. Updated exipick to current release from John Jetmore.
bbe902f0
PH
2965
296619. Allow an empty sender to be matched against a lookup in an address list.
2967 Previously the only cases considered were a regular expression, or an
2968 empty pattern.
2969
297020. Exim went into a mad DNS lookup loop when doing a callout where the
2971 host was specified on the transport, if the DNS lookup yielded more than
2972 one IP address.
2973
ea3a6f44
NM
297421. The RFC2047 encoding function was originally intended for short strings
2975 such as real names; it was not keeping to the 75-character limit for
2976 encoded words that the RFC imposes. It now respects the limit, and
2977 generates multiple encoded words if necessary. To be on the safe side, I
2978 have increased the buffer size for the ${rfc2047: expansion operator from
2979 1024 to 2048 bytes.
bbe902f0 2980
ea3a6f44
NM
298122. Failure to deliver a bounce message always caused it to be frozen, even if
2982 there was an errors_to setting on the router. The errors_to setting is now
2983 respected.
bbe902f0
PH
2984
298523. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2986 canonical form (fully expanded) before being placed in
2987 $sender_host_address.
2988
298924. Updated eximstats to version 1.33
2990
ea3a6f44
NM
299125. Include certificate and key file names in error message when GnuTLS fails
2992 to set them up, because the GnuTLS error message doesn't include the name
2993 of the failing file when there is a problem reading it.
bbe902f0
PH
2994
299526. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 2996 As per change 25.
bbe902f0 2997
ea3a6f44
NM
299827. Reset the locale to "C" after calling embedded Perl, in case it was changed
2999 (this can affect the format of dates).
bbe902f0 3000
ea3a6f44
NM
300128. exim_tidydb, when checking for the continued existence of a message for
3002 which it has found a message-specific retry record, was not finding
3003 messages that were in split spool directories. Consequently, it was
3004 deleting retry records that should have stayed in existence.
bbe902f0
PH
3005
300629. eximstats updated to version 1.35
3007 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
3008 1.35 - bugfix such that pie charts by volume are generated correctly
3009
ea3a6f44
NM
301030. The SPA authentication driver was not abandoning authentication and moving
3011 on to the next authenticator when an expansion was forced to fail,
3012 contradicting the general specification for all authenticators. Instead it
3013 was generating a temporary error. It now behaves as specified.
bbe902f0 3014
ea3a6f44
NM
301531. The default ordering of permitted cipher suites for GnuTLS was pessimal
3016 (the order specifies the preference for clients). The order is now AES256,
3017 AES128, 3DES, ARCFOUR128.
bbe902f0 3018
ea3a6f44
NM
301931. Small patch to Sieve code - explicitly set From: when generating an
3020 autoreply.
bbe902f0 3021
ea3a6f44
NM
302232. Exim crashed if a remote delivery caused a very long error message to be
3023 recorded - for instance if somebody sent an entire SpamAssassin report back
3024 as a large number of 550 error lines. This bug was coincidentally fixed by
3025 increasing the size of one of Exim's internal buffers (big_buffer) that
3026 happened as part of the Exiscan merge. However, to be on the safe side, I
3027 have made the code more robust (and fixed the comments that describe what
3028 is going on).
bbe902f0 3029
ea3a6f44
NM
303033. Some experimental protocols are using DNS PTR records for new purposes. The
3031 keys for these records are domain names, not reversed IP addresses. The
3032 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3033 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
3034 CAN-2005-0021
3035
ea3a6f44
NM
303634. The host_aton() function is supposed to be passed a string that is known
3037 to be a valid IP address. However, in the case of IPv6 addresses, it was
3038 not checking this. This is a hostage to fortune. Exim now panics and dies
3039 if the condition is not met. A case was found where this could be provoked
3040 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3041 components; fortuitously, this particular loophole had already been fixed
3042 by change 4.50/55 or 4.44/33 above.
3043
3044 If there are any other similar loopholes, the new check in host_aton()
3045 itself should stop them being exploited. The report I received stated that
3046 data on the command line could provoke the exploit when Exim was running as
3047 exim, but did not say which command line option was involved. All I could
3048 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3049 running as the user.
bbe902f0
PH
3050 CAN-2005-0021
3051
ea3a6f44
NM
305235. There was a buffer overflow vulnerability in the SPA authentication code
3053 (which came originally from the Samba project). I have added a test to the
3054 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
3055 CAN-2005-0022
3056
ea3a6f44
NM
305736. The daemon start-up calls getloadavg() while still root for those OS that
3058 need the first call to be done as root, but it missed one case: when
3059 deliver_queue_load_max is set with deliver_drop_privilege. This is
3060 necessary for the benefit of the queue runner, because there is no re-exec
3061 when deliver_drop_privilege is set.
bbe902f0 3062
ea3a6f44
NM
306337. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3064 was in use, was not putting the data itself into the right store pool;
3065 consequently, it could be overwritten for a subsequent message in the same
3066 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3067 the caching.)
bbe902f0 3068
ea3a6f44
NM
306938. Sometimes the final signoff response after QUIT could fail to get
3070 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
3071 < 0 before doing a fflush(). This bug looks as though it goes back to the
3072 introduction of TLS in release 3.20, but "sometimes" must have been rare
3073 because the tests only now provoked it.
bbe902f0
PH
3074
3075
495ae4b0
PH
3076Exim version 4.43
3077-----------------
3078
3079 1. Fixed a longstanding but relatively impotent bug: a long time ago, before
3080 PIPELINING, the function smtp_write_command() used to return TRUE or FALSE.
3081 Now it returns an integer. A number of calls were still expecting a T/F
3082 return. Fortuitously, in all cases, the tests worked in OK situations,
3083 which is the norm. However, things would have gone wrong on any write
3084 failures on the smtp file descriptor. This function is used when sending
3085 messages over SMTP and also when doing verify callouts.
3086
3087 2. When Exim is called to do synchronous delivery of a locally submitted
3088 message (the -odf or -odi options), it no longer closes stderr before doing
3089 the delivery.
3090
3091 3. Implemented the mua_wrapper option.
3092
3093 4. Implemented mx_fail_domains and srv_fail_domains for the dnslookup router.
3094
3095 5. Implemented the functions header_remove(), header_testname(),
3096 header_add_at_position(), and receive_remove_recipient(), and exported them
3097 to local_scan().
3098
3099 6. If an ACL "warn" statement specified the addition of headers, Exim already
3100 inserted X-ACL-Warn: at the start if there was no header name. However, it
3101 was not making this test for the second and subsequent header lines if
3102 there were newlines in the string. This meant that an invalid header could
3103 be inserted if Exim was badly configured.
3104
3105 7. Allow an ACL "warn" statement to add header lines at the start or after all
3106 the Received: headers, as well as at the end.
3107
3108 8. Added the rcpt_4xx retry error code.
3109
3110 9. Added postmaster_mailfrom=xxx to callout verification option.
3111
311210. Added mailfrom=xxxx to the callout verification option, for verify=
3113 header_sender only.
3114
311511. ${substr_1_:xxxx} and ${substr__3:xxxx} are now diagnosed as syntax errors
3116 (they previously behaved as ${substr_1_0:xxxx} and ${substr:_0_3:xxxx}).
3117
311812. Inserted some casts to stop certain compilers warning when using pointer
3119 differences as field lengths or precisions in printf-type calls (mostly
3120 affecting debugging statements).
3121
312213. Added optional readline() support for -be (dynamically loaded).
3123
312414. Obscure bug fix: if a message error (e.g. 4xx to MAIL) happened within the
3125 same clock tick as a message's arrival, so that its received time was the
3126 same as the "first fail" time on the retry record, and that message
3127 remained on the queue past the ultimate address timeout, every queue runner
3128 would try a delivery (because it was past the ultimate address timeout) but
3129 after another failure, the ultimate address timeout, which should have then
3130 bounced the address, did not kick in. This was a "< instead of <=" error;
3131 in most cases the first failure would have been in the next clock tick
3132 after the received time, and all would be well.
3133
313415. The special items beginning with @ in domain lists (e.g. @mx_any) were not
3135 being recognized when the domain list was tested by the match_domain
3136 condition in an expansion string.
3137
313816. Added the ${str2b64: operator.
3139
314017. Exim was always calling setrlimit() to set a large limit for the number of
3141 processes, without checking whether the existing limit was already
3142 adequate. (It did check for the limit on file descriptors.) Furthermore,
3143 errors from getrlimit() and setrlimit() were being ignored. Now they are
3144 logged to the main and panic logs, but Exim does carry on, to try to do its
3145 job under whatever limits there are.
3146
314718. Imported PCRE 5.0.
3148
314919. Trivial typo in log message " temporarily refused connection" (the leading
3150 space).
3151
315220. If the log selector return_path_on_delivery was set and an address was
3153 redirected to /dev/null, the delivery process crashed because it assumed
3154 that a return path would always be set for a "successful" delivery. In this
3155 case, the whole delivery is bypassed as an optimization, and therefore no
3156 return path is set.
3157
315821. Internal re-arrangement: the function for sending a challenge and reading
3159 a response while authentication was assuming a zero-terminated challenge
3160 string. It's now changed to take a pointer and a length, to allow for
3161 binary data in such strings.
3162
316322. Added the cyrus_sasl authenticator (code supplied by MBM).
3164
316523. Exim was not respecting finduser_retries when seeking the login of the
3166 uid under which it was called; it was always trying 10 times. (The default
3167 setting of finduser_retries is zero.) Also, it was sleeping after the final
3168 failure, which is pointless.
3169
317024. Implemented tls_on_connect_ports.
3171
317225. Implemented acl_smtp_predata.
3173
317426. If the domain in control=submission is set empty, Exim assumes that the
3175 authenticated id is a complete email address when it generates From: or
3176 Sender: header lines.
3177
317827. Added "#define SOCKLEN_T int" to OS/os.h-SCO and OS/os.h-SCO_SV. Also added
3179 definitions to OS/Makefile-SCO and OS/Makefile-SCO_SV that put basename,
3180 chown and chgrp in /bin and hostname in /usr/bin.
3181
318228. Exim was keeping the "process log" file open after each use, just as it
3183 does for the main log. This opens the possibility of it remaining open for
3184 long periods when the USR1 signal hits a daemon. Occasional processlog
3185 errors were reported, that could have been caused by this. Anyway, it seems
3186 much more sensible not to leave this file open at all, so that is what now
3187 happens.
3188
318929. The long-running daemon process does not normally write to the log once it
3190 has entered its main loop, and it closes the log before doing so. This is
3191 so that log files can straightforwardly be renamed and moved. However,
3192 there are a couple of unusual error situations where the daemon does write
3193 log entries, and I had neglected to close the log afterwards.
3194
319530. The text of an SMTP error response that was received during a remote
3196 delivery was being truncated at 512 bytes. This is too short for some of
3197 the long messages that one sometimes sees. I've increased the limit to
3198 1024.
3199
320031. It is now possible to make retry rules that apply only when a message has a
3201 specific sender, in particular, an empty sender.
3202
320332. Added "control = enforce_sync" and "control = no_enforce_sync". This makes
3204 it possible to be selective about when SMTP synchronization is enforced.
3205
320633. Added "control = caseful_local_part" and "control = "caselower_local_part".
3207
320832. Implemented hosts_connection_nolog.
3209
321033. Added an ACL for QUIT.
3211
321234. Setting "delay_warning=" to disable warnings was not working; it gave a
3213 syntax error.
3214
321535. Added mailbox_size and mailbox_filecount to appendfile.
3216
321736. Added control = no_multiline_responses to ACLs.
3218
321937. There was a bug in the logic of the code that waits for the clock to tick
3220 in the case where the clock went backwards by a substantial amount such
3221 that the microsecond fraction of "now" was more than the microsecond
3222 fraction of "then" (but the whole seconds number was less).
3223
322438. Added support for the libradius Radius client library this is found on
3225 FreeBSD (previously only the radiusclient library was supported).
3226
3227
3228Exim version 4.42
3229-----------------
3230
3231 1. When certain lookups returned multiple values in the form name=value, the
3232 quoting of the values was not always being done properly. Specifically:
3233 (a) If the value started with a double quote, but contained no whitespace,
3234 it was not quoted.
3235 (b) If the value contained whitespace other than a space character (i.e.
3236 tabs or newlines or carriage returns) it was not quoted.
3237 This fix has been applied to the mysql and pgsql lookups by writing a
3238 separate quoting function and calling it from the lookup code. The fix
3239 should probably also be applied to nisplus, ibase and oracle lookups, but
3240 since I cannot test any of those, I have not disturbed their existing code.
3241
3242 2. A hit in the callout cache for a specific address caused a log line with no
3243 reason for rejecting RCPT. Now it says "Previous (cached) callout
3244 verification failure".
3245
3246 3. There was an off-by-one bug in the queryprogram router. An over-long
3247 return line was truncated at 256 instead of 255 characters, thereby
3248 overflowing its buffer with the terminating zero. As well as fixing this, I
3249 have increased the buffer size to 1024 (and made a note to document this).
3250
3251 4. If an interrupt, such as the USR1 signal that is send by exiwhat, arrives
3252 when Exim is waiting for an SMTP response from a remote server, Exim
3253 restarts its select() call on the socket, thereby resetting its timeout.
3254 This is not a problem when such interrupts are rare. Somebody set up a cron
3255 job to run exiwhat every 2 minutes, which is less than the normal select()
3256 timeout (5 or 10 minutes). This meant that the select() timeout never
3257 kicked in because it was always reset. I have fixed this by comparing the
3258 time when an interrupt arrives with the time at the start of the first call
3259 to select(). If more time than the timeout has elapsed, the interrupt is
3260 treated as a timeout.
3261
3262 5. Some internal re-factoring in preparation for the addition of Sieve
3263 extensions (by MH). In particular, the "personal" test is moved to a
3264 separate function, and given an option for scanning Cc: and Bcc: (which is
3265 not set for Exim filters).
3266
3267 6. When Exim created an email address using the login of the caller as the
3268 local part (e.g. when creating a From: or Sender: header line), it was not
3269 quoting the local part when it contained special characters such as @.
3270
3271 7. Installed new OpenBSD configuration files.
3272
3273 8. Reworded some messages for syntax errors in "and" and "or" conditions to
3274 try to make them clearer.
3275
3276 9. Callout options, other than the timeout value, were being ignored when
3277 verifying sender addresses in header lines. For example, when using
3278
3279 verify = header_sender/callout=no_cache
3280
3281 the cache was (incorrectly) being used.
3282
328310. Added a missing instance of ${EXE} to the exim_install script; this affects
3284 only the Cygwin environment.
3285
328611. When return_path_on_delivery was set as a log selector, if different remote
3287 addresses in the same message used different return paths and parallel
3288 remote delivery occurred, the wrong values would sometimes be logged.
3289 (Whenever a remote delivery process finished, the return path value from
3290 the most recently started remote delivery process was logged.)
3291
329212. RFC 3848 specifies standard names for the "with" phrase in Received: header
3293 lines when AUTH and/or TLS are in use. This is the "received protocol"
3294 field. Exim used to use "asmtp" for authenticated SMTP, without any
3295 indication (in the protocol name) for TLS use. Now it follows the RFC and
3296 uses "esmtpa" if the connection is authenticated, "esmtps" if it is
3297 encrypted, and "esmtpsa" if it is both encrypted and authenticated. These
3298 names appear in log lines as well as in Received: header lines.
3299
330013. Installed MH's patches for Sieve to add the "copy" and "vacation"
3301 extensions, and comparison tests, and to fix some bugs.
3302
330314. Changes to the "personal" filter test:
3304
3305 (1) The test was buggy in that it was just doing the equivalent of
3306 "contains" tests on header lines. For example, if a user's address was
3307 anne@some.where, the "personal" test would incorrectly be true for
3308
3309 To: susanne@some.where
3310
3311 This test is now done by extracting each address from the header in turn,
3312 and checking the entire address. Other tests that are part of "personal"
3313 are now done using regular expressions (for example, to check local parts
3314 of addresses in From: header lines).
3315
3316 (2) The list of non-personal local parts in From: addresses has been
3317 extended to include "listserv", "majordomo", "*-request", and "owner-*",
3318 taken from the Sieve specification recommendations.
3319
3320 (3) If the message contains any header line starting with "List-" it is
3321 treated as non-personal.
3322
3323 (4) The test for "circular" in the Subject: header line has been removed
3324 because it now seems ill-conceived.
3325
332615. Minor typos in src/EDITME comments corrected.
3327
332816. Installed latest exipick from John Jetmore.
3329
333017. If headers_add on a router specified a text string that was too long for
3331 string_sprintf() - that is, longer than 8192 bytes - Exim panicked. The use
3332 of string_sprintf() is now avoided.
3333
333418. $message_body_size was not set (it was always zero) when running the DATA
3335 ACL and the local_scan() function.
3336
333719. For the "mail" command in an Exim filter, no default was being set for
3338 the once_repeat time, causing a random time value to be used if "once" was
3339 specified. (If the value happened to be <= 0, no repeat happened.) The
3340 default is now 0s, meaning "never repeat". The "vacation" command was OK
3341 (its default is 7d). It's somewhat surprising nobody ever noticed this bug
3342 (I found it when inspecting the code).
3343
334420. There is now an overall timeout for performing a callout verification. It
3345 defaults to 4 times the callout timeout, which applies to individual SMTP
3346 commands during the callout. The overall timeout applies when there is more
3347 than one host that can be tried. The timeout is checked before trying the
3348 next host. This prevents very long delays if there are a large number of
3349 hosts and all are timing out (e.g. when the network connections are timing
3350 out). The value of the overall timeout can be changed by specifying an
3351 additional sub-option for "callout", called "maxwait". For example:
3352
3353 verify = sender/callout=5s,maxwait=20s
3354
335521. Add O_APPEND to the open() call for maildirsize files (Exim already seeks
3356 to the end before writing, but this should make it even safer).
3357
335822. Exim was forgetting that it had advertised PIPELINING for the second and
3359 subsequent messages on an SMTP connection. It was also not resetting its
3360 memory on STARTTLS and an internal HELO.
3361
336223. When Exim logs an SMTP synchronization error within a session, it now
3363 records whether PIPELINING has been advertised or not.
3364
336524. Added 3 instances of "(long int)" casts to time_t variables that were being
3366 formatted using %ld, because on OpenBSD (and perhaps others), time_t is int
3367 rather than long int.
3368
336925. Installed the latest Cygwin configuration files from the Cygwin maintainer.
3370
337126. Added the never_mail option to autoreply.
3372
3373
3374Exim version 4.41
3375-----------------
3376
3377 1. A reorganization of the code in order to implement 4.40/8 caused a daemon
3378 crash if the getsockname() call failed; this can happen if a connection is
3379 closed very soon after it is established. The problem was simply in the
3380 order in which certain operations were done, causing Exim to try to write
3381 to the SMTP stream before it had set up the file descriptor. The bug has
3382 been fixed by making things happen in the correct order.
3383
3384
3385Exim version 4.40
3386-----------------
3387
3388 1. If "drop" was used in a DATA ACL, the SMTP output buffer was not flushed
3389 before the connection was closed, thus losing the rejection response.
3390
3391 2. Commented out the definition of SOCKLEN_T in os.h-SunOS5. It is needed for
3392 some early Solaris releases, but causes trouble in current releases where
3393 socklen_t is defined.
3394
3395 3. When std{in,out,err} are closed, re-open them to /dev/null so that they
3396 always exist.
3397
3398 4. Minor refactoring of os.c-Linux to avoid compiler warning when IPv6 is not
3399 configured.
3400
3401 5. Refactoring in expand.c to improve memory usage. Pre-allocate a block so
3402 that releasing the top of it at the end releases what was used for sub-
3403 expansions (unless the block got too big). However, discard this block if
3404 the first thing is a variable or header, so that we can use its block when
3405 it is dynamic (useful for very large $message_headers, for example).
3406
3407 6. Lookups now cache *every* query, not just the most recent. A new, separate
3408 store pool is used for this. It can be recovered when all lookup caches are
3409 flushed. Lookups now release memory at the end of their result strings.
3410 This has involved some general refactoring of the lookup sources.
3411
3412 7. Some code has been added to the store_xxx() functions to reduce the amount
3413 of flapping under certain conditions.
3414
3415 8. log_incoming_interface used to affect only the <= reception log lines. Now
3416 it causes the local interface and port to be added to several more SMTP log
3417 lines, for example "SMTP connection from", and rejection lines.
3418
3419 9. The Sieve author supplied some patches for the doc/README.SIEVE file.
3420
342110. Added a conditional definition of _BSD_SOCKLEN_T to os.h-Darwin.
3422
342311. If $host_data was set by virtue of a hosts lookup in an ACL, its value
3424 could be overwritten at the end of the current message (or the start of a
3425 new message if it was set in a HELO ACL). The value is now preserved for
3426 the duration of the SMTP connection.
3427
342812. If a transport had a headers_rewrite setting, and a matching header line
3429 contained an unqualified address, that address was qualified, even if it
3430 did not match any rewriting rules. The underlying bug was that the values
3431 of the flags that permit the existence of unqualified sender and recipient
3432 addresses in header lines (set by {sender,recipient}_unqualified_hosts for
3433 non-local messages, and by -bnq for local messages) were not being
3434 preserved with the message after it was received.
3435
343613. When Exim was logging an SMTP synchronization error, it could sometimes log
3437 "next input=" as part of the text comprising the host identity instead of
3438 the correct text. The code was using the same buffer for two different
3439 strings. However, depending on which order the printing function evaluated
3440 its arguments, the bug did not always show up. Under Linux, for example, my
3441 test suite worked just fine.
3442
344314. Exigrep contained a use of Perl's "our" scoping after change 4.31/70. This
3444 doesn't work with some older versions of Perl. It has been changed to "my",
3445 which in any case is probably the better facility to use.
3446
344715. A really picky compiler found some instances of statements for creating
3448 error messages that either had too many or two few arguments for the format
3449 string.
3450
345116. The size of the buffer for calls to the DNS resolver has been increased
3452 from 1024 to 2048. A larger buffer is needed when performing PTR lookups
3453 for addresses that have a lot of PTR records. This alleviates a problem; it
3454 does not fully solve it.
3455
345617. A dnsdb lookup for PTR records that receives more data than will fit in the
3457 buffer now truncates the list and logs the incident, which is the same
3458 action as happens when Exim is looking up a host name and its aliases.
3459 Previously in this situation something unpredictable would happen;
3460 sometimes it was "internal error: store_reset failed".