Document the ClamAV ExtendedDetectionInfo response handling.
[exim.git] / doc / doc-txt / ChangeLog
CommitLineData
5dc43717 1$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.632 2010/06/12 15:21:25 jetmore 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
PP
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
PP
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
ec5a0394 22PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 23
55c75993
PP
24PP/06 Adjust NTLM authentication to handle SASL Initial Response.
25
453a6645 26PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
27 without a peer certificate, leading to a segfault because of an
28 assumption that peers always have certificates. Be a little more
453a6645
PP
29 paranoid. Problem reported by Martin Tscholak.
30
8544e77a
PP
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".
3346ab01
PP
34 CL also introduces -bmalware, various -d+acl logging additions and
35 more caution in buffer sizes.
8544e77a 36
83e029d5
PP
37PP/09 Implemented reverse_ip expansion operator.
38
ed7f7860
PP
39PP/10 Bugzilla 937: provide a "debug" ACL control.
40
7d9f747b
PP
41PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
42
4b2241d2
PP
43PP/12 Bugzilla 973: Implement --version.
44
10385c15
PP
45PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
46
dbc4b90d
PP
47PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
48
532be449
PP
49PP/15 Bugzilla 816: support multiple condition rules on Routers.
50
6a8de854 51PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
52 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
53 ignore trailing whitespace.
6a8de854 54
5dc43717
JJ
55JJ/02 prevent non-panic DKIM error from being sent to paniclog
56
57JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
58 "exim" to be used
55c75993 59
3346ab01
PP
60PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
61 Notification from Dr Andrew Aitchison.
62
491fab4c
PP
63PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
64 ExtendedDetectionInfo response format.
65 Notification from John Horne.
66
3346ab01 67
465e92cf
JJ
68Exim version 4.72
69-----------------
70
453a6645
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71JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
72 $data_path, and $header_path variables; fixed documentation bugs and
73 typos
465e92cf 74
453a6645
PP
75JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
76 exipick to access non-standard spools, including the "frozen" queue
77 (Finput)
edae0343 78
9bd3e22c
NM
79NM/01 Bugzilla 965: Support mysql stored procedures.
80 Patch from Alain Williams
81
bb576ff7
NM
82NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
83
5a1a5845
NM
84NM/03 Bugzilla 955: Documentation fix for max_rcpts.
85 Patch from Andreas Metzler
86
981a9fad
NM
87NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
88 Patch from Kirill Miazine
89
7fc497ee
NM
90NM/05 Bugzilla 671: Added umask to procmail example.
91
1a41defa
JJ
92JJ/03 installed exipick 20100323.0, fixing doc bug
93
a466095c 94NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 95 directory. Notification and patch from Dan Rosenberg.
a466095c 96
94a6bd0b
NM
97TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
98
99TK/02 Improve log output when DKIM signing operation fails.
100
101MH/01 Treat the transport option dkim_domain as a colon separated
102 list, not as a single string, and sign the message with each element,
103 omitting multiple occurences of the same signer.
104
c1b141a8
NM
105NM/07 Null terminate DKIM strings, Null initialise DKIM variable
106 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 107
b26eacf1 108NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
109 Patch by Simon Arlott
110
179c5980 111PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 112 MBX locking. Notification from Dan Rosenberg.
179c5980 113
9bd3e22c 114
7c6d71af
NM
115Exim version 4.71
116-----------------
117
7d9f747b 118TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 119
f013fb92
NM
120NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
121
0eb8eedd
NM
122NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
123
663ee6d9
NM
124NM/03 Bugzilla 847: Enable DNSDB lookup by default.
125
177ebd9b
NM
126NM/04 Bugzilla 915: Flag broken perl installation during build.
127
7c6d71af 128
210f147e
NM
129Exim version 4.70
130-----------------
131
cdd3bb85 132TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 133 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
134
135TK/02 Write list of recipients to X-Envelope-Sender header when building
136 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 137 Hirsch).
cdd3bb85
TK
138
139TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
140 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 141 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
142
143TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
144 by Mark Daniel Reidel <mr@df.eu>.
145
210f147e
NM
146NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
147 When building exim an external PCRE library is now needed -
148 PCRE is a system library on the majority of modern systems.
149 See entry on PCRE_LIBS in EDITME file.
150
deafd5b3
NM
151NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
152 conversation. Added nologin parameter to request.
7d9f747b 153 Patch contributed by Kirill Miazine.
deafd5b3 154
089793a4
TF
155TF/01 Do not log submission mode rewrites if they do not change the address.
156
5f16ca82
TF
157TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
158
dae9d94e 159NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 160 log files in place. Contributed by Roberto Lima.
dae9d94e 161
7d9f747b 162NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 163
06864c44
TF
164TF/03 Bugzilla 615: When checking the local_parts router precondition
165 after a local_part_suffix or local_part_prefix option, Exim now
166 does not use the address's named list lookup cache, since this
167 contains cached lookups for the whole local part.
168
65a7d8c3 169NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 170 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 171
23510047 172TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 173
7d9f747b 174NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 175
7d8eec3a 176NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 177 Patch provided by Jan Srzednicki.
6c588e74 178
89dec7b6
TF
179TF/05 Leading white space used to be stripped from $spam_report which
180 wrecked the formatting. Now it is preserved.
5f28a6e8 181
a99de90c
TF
182TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
183 that they are available at delivery time.
184
e2803e40
TF
185TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
186
7199e1ee
TF
187TF/08 TLS error reporting now respects the incoming_interface and
188 incoming_port log selectors.
189
e276e04b
TF
190TF/09 Produce a more useful error message if an SMTP transport's hosts
191 setting expands to an empty string.
192
ce552449 193NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 194 Patch provided by Phil Pennock.
ce552449 195
e765a0f1 196NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 197 Patch provided by Richard Godbee.
e765a0f1 198
4f054c63 199NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 200 acl_smtp_notquit, added index entry.
4f054c63 201
7d9f747b
PP
202NM/09 Bugzilla 787: Potential buffer overflow in string_format.
203 Patch provided by Eugene Bujak.
24c929a2 204
7d9f747b
PP
205NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
206 accept(). Patch provided by Maxim Dounin.
cf73943b 207
b52bc06e 208NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 209 Patch provided by Phil Pennock.
b52bc06e 210
447de4b0
NM
211NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
212
4c69d561 213NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 214 Patch provided by Brad "anomie" Jorsch.
4c69d561 215
d5c39246 216NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 217 Patch provided by Dean Brooks.
9b989985 218
0b23848a
TK
219TK/05 Add native DKIM support (does not depend on external libraries).
220
8f3414a1 221NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 222 Patch provided by Graeme Fowler.
e2aacdfd 223
fb6f955d
NM
224NM/16 Bugzilla 851: Documentation example syntax fix.
225
226NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 227
7d9f747b
PP
228NM/18 Bugzilla 894: Fix issue with very long lines including comments in
229 lsearch.
dbb0bf41 230
7d9f747b
PP
231NM/19 Bugzilla 745: TLS version reporting.
232 Patch provided by Phil Pennock.
f3766eb5 233
7d9f747b
PP
234NM/20 Bugzilla 167: bool: condition support.
235 Patch provided by Phil Pennock.
36f12725 236
7d9f747b
PP
237NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
238 clients. Patch provided by Phil Pennock.
e6060e2c 239
7d9f747b
PP
240NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
241 Patch provided by Brad "anomie" Jorsch.
5eb690a1 242
7d9f747b
PP
243NM/23 Bugzilla 687: Fix misparses in eximstats.
244 Patch provided by Heiko Schlittermann.
d5c13d66 245
7d9f747b
PP
246NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
247 Patch provided by Heiko Schlittermann.
b2335c0b 248
7d9f747b 249NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 250 plus update to original patch.
f4cd9433 251
7d9f747b 252NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 253
7d9f747b
PP
254NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
255 Patch provided by David Brownlee.
8dc71ab3 256
7d9f747b 257NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 258
7d9f747b 259NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 260
7d9f747b 261NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 262
7d9f747b 263NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 264
17792b53 265NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 266 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 267
7d9f747b
PP
268NM/33 Bugzilla 898: Transport filter timeout fix.
269 Patch by Todd Rinaldo.
52383f8f 270
7d9f747b
PP
271NM/34 Bugzilla 901: Fix sign/unsigned and UTF mistmatches.
272 Patch by Serge Demonchaux.
5ca6d115 273
7d9f747b
PP
274NM/35 Bugzilla 39: Base64 decode bug fixes.
275 Patch by Jakob Hirsch.
baee9eee 276
7d9f747b 277NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 278
7d9f747b 279NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 280
7d9f747b 281NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 282
7d9f747b 283NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 284
deafd5b3 285
47db1125
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286Exim version 4.69
287-----------------
288
4b3504d0
TK
289TK/01 Add preliminary DKIM support. Currently requires a forked version of
290 ALT-N's libdkim that I have put here:
291 http://duncanthrax.net/exim-experimental/
292
293 Note to Michael Haardt: I had to rename some vars in sieve.c. They
294 were called 'true' and it seems that C99 defines that as a reserved
295 keyword to be used with 'bool' variable types. That means you could
296 not include C99-style headers which use bools without triggering
297 build errors in sieve.c.
298
81ea09ca
NM
299NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
300 as mailq or other aliases. Changed the --help handling significantly
301 to do whats expected. exim_usage() emits usage/help information.
302
f13cddcb
SC
303SC/01 Added the -bylocaldomain option to eximstats.
304
7d9f747b 305NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 306
7d9f747b 307NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 308
7d9f747b 309NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
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310
311
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312Exim version 4.68
313-----------------
314
315PH/01 Another patch from the Sieve maintainer.
316
6a3bceb1
PH
317PH/02 When an IPv6 address is converted to a string for single-key lookup
318 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
319 dots are used instead of colons so that keys in lsearch files need not
320 contain colons. This was done some time before quoting was made available
321 in lsearch files. However, iplsearch files do require colons in IPv6 keys
322 (notated using the quote facility) so as to distinguish them from IPv4
323 keys. This meant that lookups for IP addresses in host lists did not work
324 for iplsearch lookups.
325
326 This has been fixed by arranging for IPv6 addresses to be expressed with
327 colons if the lookup type is iplsearch. This is not incompatible, because
328 previously such lookups could never work.
329
330 The situation is now rather anomolous, since one *can* have colons in
331 ordinary lsearch keys. However, making the change in all cases is
332 incompatible and would probably break a number of configurations.
333
2e30fa9d
TK
334TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
335 version.
336
0806a9c5
MH
337MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
338 conversion specification without a maximum field width, thereby enabling
339 a rogue spamd server to cause a buffer overflow. While nobody in their
340 right mind would setup Exim to query an untrusted spamd server, an
341 attacker that gains access to a server running spamd could potentially
342 exploit this vulnerability to run arbitrary code as the Exim user.
343
ae276964
TK
344TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
345 $primary_hostname instead of what libspf2 thinks the hosts name is.
346
0f2cbd1b
MH
347MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
348 a directory entry by the name of the lookup key. Previously, if a
349 symlink pointed to a non-existing file or a file in a directory that
350 Exim lacked permissions to read, a lookup for a key matching that
351 symlink would fail. Now it is enough that a matching directory entry
352 exists, symlink or not. (Bugzilla 503.)
353
2b85bce7
PH
354PH/03 The body_linecount and body_zerocount variables are now exported in the
355 local_scan API.
356
93655c46
PH
357PH/04 Added the $dnslist_matched variable.
358
6c512171
PH
359PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
360 This means they are set thereafter only if the connection becomes
361 encrypted.
362
363PH/06 Added the client_condition to authenticators so that some can be skipped
364 by clients under certain conditions.
365
aa6dc513
PH
366PH/07 The error message for a badly-placed control=no_multiline_responses left
367 "_responses" off the end of the name.
368
a96603a0
PH
369PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
370
8f240103
PH
371PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
372 (without spaces) instead of just copying the configuration text.
373
374PH/10 Added the /noupdate option to the ratelimit ACL condition.
375
d677b2f2
PH
376PH/11 Added $max_received_linelength.
377
d52120f2
PH
378PH/12 Added +ignore_defer and +include_defer to host lists.
379
64f2600a
PH
380PH/13 Installed PCRE version 7.2. This needed some changes because of the new
381 way in which PCRE > 7.0 is built.
382
8669f003
PH
383PH/14 Implemented queue_only_load_latch.
384
a4dc33a8
PH
385PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
386 MAIL command. The effect was to mangle the value on 64-bit systems.
387
d6a60c0f
PH
388PH/16 Another patch from the Sieve maintainer.
389
8f128379
PH
390PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
391
8932dffe
PH
392PH/18 If a system quota error occurred while trying to create the file for
393 a maildir delivery, the message "Mailbox is full" was not appended to the
394 bounce if the delivery eventually timed out. Change 4.67/27 below applied
395 only to a quota excession during the actual writing of the file.
d6a60c0f 396
ddea74fa 397PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
398 characters?) which causes problems in log lines. The DN values are now
399 passed through string_printing() before being added to log lines.
400
ddea74fa 401PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
402 and InterBase are left for another time.)
403
ddea74fa
PH
404PH/21 Added message_body_newlines option.
405
ce9f225c
PH
406PH/22 Guard against possible overflow in moan_check_errorcopy().
407
19897d52
PH
408PH/23 POSIX allows open() to be a macro; guard against that.
409
bc64a74d
PH
410PH/24 If the recipient of an error message contained an @ in the local part
411 (suitably quoted, of course), incorrect values were put in $domain and
412 $local_part during the evaluation of errors_copy.
413
eb4c0de6 414
b4ed4da0
PH
415Exim version 4.67
416-----------------
417
22ad45c9
MH
418MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
419 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
420 Jan Srzednicki.
421
b4ed4da0
PH
422PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
423 issue a MAIL command.
424
431b7361
PH
425PH/02 In an ACL statement such as
426
427 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
428
429 if a client was not listed at all, or was listed with a value other than
430 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
431 the condition was not true (as it should be), so access was not denied.
432 The bug was that the ! inversion was incorrectly passed on to the second
433 item. This has been fixed.
434
435PH/03 Added additional dnslists conditions == and =& which are different from
436 = and & when the dns lookup returns more than one IP address.
437
83da1223
PH
438PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
439 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
440
54fc8428
PH
441PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
442 FSYNC, which compiles an option called disable_fsync that allows for
443 bypassing fsync(). The documentation is heavily laced with warnings.
444
34c5e8dd
SC
445SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
446
bbe15da8
PH
447PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
448 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
449 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
450 including adding "make clean"; (3) Added -fPIC when compiling the test
451 dynamically loaded module, to get rid of a warning.
452
0e8a9471
MH
453MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
454 message fails, move_frozen_messages = true and ignore_bounce_errors_after
455 = 0s. The bug is otherwise harmless.
456
f0872424
PH
457PH/07 There was a bug in the dovecot authenticator such that the value of
458 $auth1 could be overwritten, and so not correctly preserved, after a
459 successful authentication. This usually meant that the value preserved by
460 the server_setid option was incorrect.
461
b01dd148
PH
462PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
463
6bf342e1
PH
464PH/09 Installed PCRE release 7.0.
465
273f34d0
PH
466PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
467 run for batched SMTP input. It is now run at the start of every message
468 in the batch. While fixing this I discovered that the process information
469 (output by running exiwhat) was not always getting set for -bs and -bS
470 input. This is fixed, and it now also says "batched" for BSMTP.
471
cf8b11a5
PH
472PH/11 Added control=no_pipelining.
473
41c7c167
PH
474PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
475 patch, slightly modified), and move the expansion of helo_data till after
476 the connection is made in the smtp transport (so it can use these
477 values).
478
9c57cbc0
PH
479PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
480
f3f065bb
PH
481PH/14 Added log_selector = +pid.
482
047bdd8c
PH
483PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
484
0ce9abe6
PH
485PH/16 Add ${if forany and ${if forall.
486
0e22dfd1
PH
487PH/17 Added dsn_from option to vary the From: line in DSNs.
488
4c590bd1
PH
489PH/18 Flush SMTP output before performing a callout, unless control =
490 no_callout_flush is set.
491
09945f1e
PH
492PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
493 was true (the default) a successful delivery failed to delete the retry
494 item, thus causing premature timeout of the address. The bug is now
495 fixed.
496
c51b8e75
PH
497PH/20 Added hosts_avoid_pipelining to the smtp transport.
498
e28326d8
PH
499PH/21 Long custom messages for fakedefer and fakereject are now split up
500 into multiline reponses in the same way that messages for "deny" and
501 other ACL rejections are.
502
75b1493f
PH
503PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
504 with slight modification.
505
7c5214ec
PH
506PH/23 Applied sieve patches from the maintainer "tracking the latest notify
507 draft, changing the syntax and factoring some duplicate code".
508
4311097e
PH
509PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
510 for deliveries of the second and subsequent messages over the same SMTP
511 connection.
512
29f89cad
PH
513PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
514 ${reduce, with only minor "tidies".
515
5e687460
SC
516SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
517
c3611384
PH
518PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
519 expansion side effects.
520
5a11a7b4
PH
521PH/27 When a message times out after an over-quota error from an Exim-imposed
522 quota, the bounce message says "mailbox is full". This message was not
523 being given when it was a system quota that was exceeded. It now should
524 be the same.
525
0e20aff9
MH
526MH/03 Made $recipients available in local_scan(). local_scan() already has
527 better access to the recipient list through recipients_list[], but
528 $recipients can be useful in postmaster-provided expansion strings.
529
ca86f471
PH
530PH/28 The $smtp_command and $smtp_command_argument variables were not correct
531 in the case of a MAIL command with additional options following the
532 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
533 were accidentally chopped off.
534
a14e5636
PH
535PH/29 SMTP synchronization checks are implemented when a command is read -
536 there is a check that no more input is waiting when there shouldn't be
537 any. However, for some commands, a delay in an ACL can mean that it is
538 some time before the response is written. In this time, more input might
539 arrive, invalidly. So now there are extra checks after an ACL has run for
540 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
541 pipelining has not been advertised.
542
ec95d1a6
PH
543PH/30 MH's patch to allow iscntrl() characters to be list separators.
544
42855d71
PH
545PH/31 Unlike :fail:, a custom message specified with :defer: was not being
546 returned in the SMTP response when smtp_return_error_details was false.
547 This has been fixed.
548
57c2c631
PH
549PH/32 Change the Dovecot authenticator to use read() and write() on the socket
550 instead of the C I/O that was originally supplied, because problems were
551 reported on Solaris.
552
58c01c94
PH
553PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
554 Exim which did not show up earlier: it was assuming that a call to
555 SSL_CTX_set_info_callback() might give an error value. In fact, there is
556 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
557 was a macro that became an assignment, so it seemed to work. This has
558 changed to a proper function call with a void return, hence the compile
559 error. Exim's code has been fixed.
560
dee5a20a
PH
561PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
562 cpus.
563
d2ee6114
PH
564PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
565
b2d5182b
PH
566PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
567
79749a79
PH
568PH/37 If a message is not accepted after it has had an id assigned (e.g.
569 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
570 "Completed" line in the log. When some messages of this type were
571 selected by exigrep, they were listed as "not completed". Others were
572 picked up by some special patterns. I have improved the selection
573 criteria to be more general.
79749a79 574
c456d9bb
PH
575PH/38 The host_find_failed option in the manualroute router can now be set
576 to "ignore", to completely ignore a host whose IP address cannot be
577 found. If all hosts are ignored, the behaviour is controlled by the new
578 host_all_ignored option.
579
cd9868ec
PH
580PH/39 In a list of hosts for manualroute, if one item (either because of multi-
581 homing or because of multiple MX records with /mx) generated more than
582 one IP address, and the following item turned out to be the local host,
583 all the secondary addresses of the first item were incorrectly removed
584 from the list, along with the local host and any following hosts (which
585 is what is supposed to happen).
586
ebeaf996
PH
587PH/40 When Exim receives a message, it writes the login name, uid, and gid of
588 whoever called Exim into the -H file. In the case of the daemon it was
589 behaving confusingly. When first started, it used values for whoever
590 started the daemon, but after a SIGHUP it used the Exim user (because it
591 calls itself on a restart). I have changed the code so that it now always
592 uses the Exim user.
593
2679d413
PH
594PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
595 message are rejected with the same error (e.g. no authentication or bad
596 sender address), and a DATA command is nevertheless sent (as can happen
597 with PIPELINING or a stupid MUA), the error message that was given to the
598 RCPT commands is included in the rejection of the DATA command. This is
599 intended to be helpful for MUAs that show only the final error to their
600 users.
601
84024b72
PH
602PH/42 Another patch from the Sieve maintainer.
603
8005d38e
SC
604SC/02 Eximstats - Differentiate between permanent and temporary rejects.
605 Eximstats - Fixed some broken HTML links and added missing column headers
606 (Jez Hancock).
607 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
608 columns for Rejects, Temp Rejects, Ham, and Spam rows.
609
3298c6c6
SC
610SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
611
a43a27c5
PH
612PH/43 Yet another patch from the Sieve maintainer.
613
58eb016e 614PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
615 the response to the final '.' that terminates a message, but only in the
616 case where the client has not sent further data following the '.'
617 (unfortunately, this is allowed). However, in many cases there won't be
618 any further data because there won't be any more messages to send. A call
619 to select() can be used: if it shows that the input is "ready", there is
620 either input waiting, or the socket has been closed. An attempt to read
621 the next input character can distinguish the two cases. Previously, Exim
58eb016e 622 would have sent an OK response which the client would never have see.
563b63fa
PH
623 This could lead to message repetition. This fix should cure that, at
624 least in a lot of common cases.
58eb016e 625
b43a74ea
PH
626PH/45 Do not advertise STARTTLS in response to HELP unless it would be
627 advertised in response to EHLO.
628
b4ed4da0 629
5dd1517f
PH
630Exim version 4.66
631-----------------
632
633PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
634 fixed by 4.65/MH/01 (is this a record?) are fixed:
635
636 (i) An empty string was always treated as zero by the numeric comparison
637 operators. This behaviour has been restored.
638
639 (ii) It is documented that the numeric comparison operators always treat
640 their arguments as decimal numbers. This was broken in that numbers
641 starting with 0 were being interpreted as octal.
642
643 While fixing these problems I realized that there was another issue that
644 hadn't been noticed. Values of message_size_limit (both the global option
645 and the transport option) were treated as octal if they started with 0.
646 The documentation was vague. These values are now always treated as
647 decimal, and I will make that clear in the documentation.
648
649
93cfa765
TK
650Exim version 4.65
651-----------------
652
653TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
654 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
655 versions. (#438)
656
d6066548
MH
657MH/01 Don't check that the operands of numeric comparison operators are
658 integers when their expansion is in "skipping" mode (fixes bug
659 introduced by 4.64-PH/07).
660
4362ff0d
PH
661PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
662 child addresses, Exim now panics and dies. Previously, because the count
663 is held in a short int, deliveries were likely to be lost. As such a
664 large number of recipients for a single message is ridiculous
665 (performance will be very, very poor), I have chosen to impose a limit
666 rather than extend the field.
667
93cfa765 668
944e9e9c
TF
669Exim version 4.64
670-----------------
aa41d2de 671
21d74bd9
TK
672TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
673 leftover -K file (the existence of which was triggered by #402).
674 While we were at it, introduced process PID as part of the -K
675 filename. This should rule out race conditions when creating
676 these files.
677
678TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
679 processing considerably. Previous code took too long for large mails,
680 triggering a timeout which in turn triggers #401.
681
682TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
683 in the DK code in transports.c. sendfile() is not really portable,
684 hence the _LINUX specificness.
944e9e9c
TF
685
686TF/01 In the add_headers option to the mail command in an Exim filter,
687 there was a bug that Exim would claim a syntax error in any
688 header after the first one which had an odd number of characters
689 in the field name.
690
2b1c6e3a
PH
691PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
692 callout verification, Exim cached a "reject" for the entire domain. This
693 is correct for most verifications, but it is not correct for a recipient
694 verification with use_sender or use_postmaster set, because in that case
695 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
696 case of MAIL FROM:<> rejection from other early rejections (e.g.
697 rejection of HELO). When verifying a recipient using a non-null MAIL
698 address, the cache is ignored if it shows MAIL FROM:<> rejection.
699 Whatever the result of the callout, the value of the domain cache is
700 left unchanged (for any other kind of callout, getting as far as trying
701 RCPT means that the domain itself is ok).
702
1f872c80
PH
703PH/02 Tidied a number of unused variable and signed/unsigned warnings that
704 gcc 4.1.1 threw up.
705
706PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
707 manifest itself as EPIPE rather than ECONNECT. When tidying away a
708 session, the daemon ignores ECONNECT errors and logs others; it now
709 ignores EPIPE as well.
710
d203e649
PH
711PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
712 (quoted-printable decoding).
713
cc2ed8f7 714PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 715 later the small subsequent patch to fix an introduced bug.
f951fd57 716
ddfcd446
PH
717PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
718
d45b1de8
PH
719PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
720
721PH/08 An error is now given if message_size_limit is specified negative.
722
38a0a95f 723PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 724 to be given (somewhat) arbitrary names.
38a0a95f 725
a2405d83
JJ
726JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
727 in 4.64-PH/09.
728
729JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
730 miscellaneous code fixes
731
6ea85e9a
PH
732PH/10 Added the log_reject_target ACL modifier to specify where to log
733 rejections.
734
26da7e20
PH
735PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
736 hostname. This is wrong, because it relates to the incoming message (and
737 probably the interface on which it is arriving) and not to the outgoing
738 callout (which could be using a different interface). This has been
739 changed to use the value of the helo_data option from the smtp transport
740 instead - this is what is used when a message is actually being sent. If
741 there is no remote transport (possible with a router that sets up host
742 addresses), $smtp_active_hostname is used.
6ea85e9a 743
14aa5a05 744PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 745 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
746 (a) The code assumed that strncpy() returns a negative number on buffer
747 overflow, which isn't the case. Replaced with Exim's string_format()
748 function.
749 (b) There were several signed/unsigned issues. I just did the minimum
750 hacking in of casts. There is scope for a larger refactoring.
751 (c) The code used strcasecmp() which is not a standard C function.
752 Replaced with Exim's strcmpic() function.
753 (d) The code set only $1; it now sets $auth1 as well.
754 (e) A simple test gave the error "authentication client didn't specify
755 service in request". It would seem that Dovecot has changed its
756 interface. Fortunately there's a specification; I followed it and
757 changed what the client sends and it appears to be working now.
758
ff75a1f7
PH
759PH/13 Added $message_headers_raw to provide the headers without RFC 2047
760 decoding.
761
e6f6568e
PH
762PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
763 address A is aliased to B and C, where B exists and C does not. Without
764 -v the output is "A verified" because verification stops after a
765 successful redirection if more than one address is generated. However,
766 with -v the child addresses are also verified. Exim was outputting "A
767 failed to verify" and then showing the successful verification for C,
768 with its parentage. It now outputs "B failed to verify", showing B's
769 parentage before showing the successful verification of C.
770
d6f6e0dc
PH
771PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
772 look up a TXT record in a specific list after matching in a combined
773 list.
774
322050c2
PH
775PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
776 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
777 they consult the DNS. I had assumed they would set it the way they
778 wanted; and indeed my experiments on Linux seem to show that in some
779 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
780 To be on the safe side, however, I have now made the interface to
781 host_find_byname() similar to host_find_bydns(), with an argument
782 containing the DNS resolver options. The host_find_byname() function now
783 sets these options at its start, just as host_find_bydns() does. The smtp
784 transport options dns_qualify_single and dns_search_parents are passed to
785 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
786 of host_find_byname() use the default settings of RES_DEFNAMES
787 (qualify_single) but not RES_DNSRCH (search_parents).
788
08955dd3
PH
789PH/17 Applied (a modified version of) Nico Erfurth's patch to make
790 spool_read_header() do less string testing, by means of a preliminary
791 switch on the second character of optional "-foo" lines. (This is
792 overdue, caused by the large number of possibilities that now exist.
793 Originally there were few.) While I was there, I also converted the
794 str(n)cmp tests so they don't re-test the leading "-" and the first
795 character, in the hope this might squeeze out yet more improvement.
796
1eccaa59
PH
797PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
798 flag allowing group syntax was set by the header_syntax check but not
799 turned off, possible causing trouble later; (2) The flag was not being
800 set at all for the header_verify test, causing "group"-style headers to
801 be rejected. I have now set it in this case, and also caused header_
802 verify to ignore an empty address taken from a group. While doing this, I
803 came across some other cases where the code for allowing group syntax
804 while scanning a header line wasn't quite right (mostly, not resetting
805 the flag correctly in the right place). These bugs could have caused
806 trouble for malformed header lines. I hope it is now all correct.
807
602e59e5
PH
808PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
809 with the "reply" argument non-NULL. The code, however (which originally
810 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
811 but it didn't always do it. This confused somebody who was copying the
812 code for some other use. I have removed all the tests.
813
411ef850
PH
814PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
815 feature that was used to support insecure browsers during the U.S. crypto
816 embargo. It requires special client support, and Exim is probably the
817 only MTA that supported it -- and would never use it because real RSA is
818 always available. This code has been removed, because it had the bad
819 effect of slowing Exim down by computing (never used) parameters for the
820 RSA_EXPORT functionality.
821
7befa435
PH
822PH/21 On the advice of Timo Sirainen, added a check to the dovecot
823 authenticator to fail if there's a tab character in the incoming data
824 (there should never be unless someone is messing about, as it's supposed
825 to be base64-encoded). Also added, on Timo's advice, the "secured" option
826 if the connection is using TLS or if the remote IP is the same as the
827 local IP, and the "valid-client-cert option" if a client certificate has
828 been verified.
829
48da4259 830PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
831 authenticators. This can be used for authorization after authentication
832 succeeds. (In the case of plaintext, it servers for both authentication
833 and authorization.)
834
48da4259
PH
835PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
836 if any retry times were supplied.
837
d1d5595c
PH
838PH/24 Exim crashed if verify=helo was activated during an incoming -bs
839 connection, where there is no client IP address to check. In this
840 situation, the verify now always succeeds.
841
0ef732d9
PH
842PH/25 Applied John Jetmore's -Mset patch.
843
328895cc
PH
844PH/26 Added -bem to be like -Mset, but loading a message from a file.
845
fd700877
PH
846PH/27 In a string expansion for a processed (not raw) header when multiple
847 headers of the same name were present, leading whitespace was being
848 removed from all of them, but trailing whitespace was being removed only
849 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
850 before concatenation. Completely empty headers in a concatenation (as
851 before) are ignored.
fd700877 852
8dce1a6f
PH
853PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
854 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
855
17af4a17
PH
856PH/29 [Removed. This was a change that I later backed out, and forgot to
857 correct the ChangeLog entry (that I had efficiently created) before
858 committing the later change.]
f6c332bd
PH
859
860PH/30 Exim was sometimes attempting to deliver messages that had suffered
861 address errors (4xx response to RCPT) over the same connection as other
862 messages routed to the same hosts. Such deliveries are always "forced",
863 so retry times are not inspected. This resulted in far too many retries
864 for the affected addresses. The effect occurred only when there were more
865 hosts than the hosts_max_try setting in the smtp transport when it had
866 the 4xx errors. Those hosts that it had tried were not added to the list
867 of hosts for which the message was waiting, so if all were tried, there
868 was no problem. Two fixes have been applied:
869
870 (i) If there are any address or message errors in an SMTP delivery, none
871 of the hosts (tried or untried) are now added to the list of hosts
872 for which the message is waiting, so the message should not be a
873 candidate for sending over the same connection that was used for a
874 successful delivery of some other message. This seems entirely
875 reasonable: after all the message is NOT "waiting for some host".
876 This is so "obvious" that I'm not sure why it wasn't done
877 previously. Hope I haven't missed anything, but it can't do any
878 harm, as the worst effect is to miss an optimization.
879
880 (ii) If, despite (i), such a delivery is accidentally attempted, the
881 routing retry time is respected, so at least it doesn't keep
882 hammering the server.
883
c1114884
PH
884PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
885 in ${readsocket because some servers need this prod.
886
7a0743eb
PH
887PH/32 Added some extra debug output when updating a wait-xxx database.
888
0d85fa3f
PH
889PH/33 The hint "could be header name not terminated by colon", which has been
890 given for certain expansion errors for a long time, was not being given
891 for the ${if def:h_colon_omitted{... case.
892
1bf43b78
PH
893PH/34 The spec says: "With one important exception, whenever a domain list is
894 being scanned, $domain contains the subject domain." There was at least
895 one case where this was not true.
896
520de300
PH
897PH/35 The error "getsockname() failed: connection reset by peer" was being
898 written to the panic log as well as the main log, but it isn't really
899 panic-worthy as it just means the connection died rather early on. I have
900 removed the panic log writing for the ECONNRESET error when getsockname()
901 fails.
902
48c7f9e2
PH
903PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
904 runs only) independently of the message's sender address. This meant
905 that, if the 4xx error was in fact related to the sender, a different
906 message to the same recipient with a different sender could confuse
907 things. In particualar, this can happen when sending to a greylisting
908 server, but other circumstances could also provoke similar problems.
909 I have changed the default so that the retry time for these errors is now
910 based a combination of the sender and recipient addresses. This change
911 can be overridden by setting address_retry_include_sender=false in the
912 smtp transport.
913
99ea1c86
PH
914PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
915 remote server are returned as part of bounce messages. This was not
916 happening for LMTP over a pipe (the lmtp transport), but now it is the
917 same for both kinds of LMTP.
918
a2042e78
PH
919PH/38 Despite being documented as not happening, Exim was rewriting addresses
920 in header lines that were in fact CNAMEs. This is no longer the case.
921
4fbcfc2e
PH
922PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
923 and queue runs started by the daemon processed all messages. This has
924 been fixed so that -R and -S can now usefully be given with -q<time>.
925
aa41d2de
PH
926PH/40 Import PCRE release 6.7 (fixes some bugs).
927
af561417
PH
928PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
929
3cc66b45
PH
930PH/42 Give an error if -q is specified more than once.
931
194cc0e4
PH
932PH/43 Renamed the variables $interface_address and $interface_port as
933 $received_ip_address and $received_port, to make it clear that these
934 values apply to message reception, and not to the outgoing interface when
935 a message is delivered. (The old names remain recognized, of course.)
936
a401ddaa
PH
937PH/44 There was no timeout on the connect() call when using a Unix domain
938 socket in the ${readsocket expansion. There now is.
939
4e88a19f
PH
940PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
941 be meaningful with "accept".
942
d7d7b289
SC
943SC/01 Eximstats V1.43
944 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
945
946SC/02 Eximstats V1.44
947 Use a glob alias rather than an array ref in the generated
948 parser. This improves both readability and performance.
949
950SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
951 Collect SpamAssassin and rejection statistics.
952 Don't display local sender or destination tables unless
953 there is data to show.
954 Added average volumes into the top table text output.
955
956SC/04 Eximstats V1.46
957 Collect data on the number of addresses (recipients)
958 as well as the number of messages.
959
960SC/05 Eximstats V1.47
961 Added 'Message too big' to the list of mail rejection
962 reasons (thanks to Marco Gaiarin).
963
964SC/06 Eximstats V1.48
965 Mainlog lines which have GMT offsets and are too short to
966 have a flag are now skipped.
967
968SC/07 Eximstats V1.49 (Alain Williams)
969 Added the -emptyok flag.
970
971SC/08 Eximstats V1.50
972 Fixes for obtaining the IP address from reject messages.
973
0ea2a468
JJ
974JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
975 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
976 whitesspace changes from 4.64-PH/27
977
978JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
979 match 4.64-PH/13
980
981JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
982 are found, allow negative numbers in numeric criteria)
983
984JJ/06 exipick.20061117.2, added new $message_body_missing variable
985
986JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
987 to match changes made in 4.64-PH/43
988
8a10f5a4
PH
989PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
990
30e18802
PH
991PH/47 Put in an explicit test for a DNS lookup of an address record where the
992 "domain" is actually an IP address, and force a failure. This locks out
993 those revolvers/nameservers that support "A-for-A" lookups, in
994 contravention of the specifications.
995
55728a4f
PH
996PH/48 When a host name was looked up from an IP address, and the subsequent
997 forward lookup of the name timed out, the host name was left in
998 $sender_host_name, contrary to the specification.
d7d7b289 999
d7837193
PH
1000PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
1001 restricted to single-key lookups, Exim was not diagnosing an error if
1002 * or *@ was used with a query-style lookup.
1003
87054a31
PH
1004PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
1005
ea2c01d2
MH
1006MH/01 local_scan ABI version incremented to 1.1. It should have been updated
1007 long ago, but noone interested enough thought of it. Let's just say that
1008 the "1.1" means that there are some new functions that weren't there at
1009 some point in the past.
1010
e4fa6968
PH
1011PH/51 Error processing for expansion failure of helo_data from an smtp
1012 transport during callout processing was broken.
1013
56f5d9bd
PH
1014PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
1015 tested/used via the -bh/-bhc/-bs options.
1016
922e1c28
PH
1017PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
1018 bug, fixed in subsequent PCRE releases).
1019
21eb6e72
PH
1020PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
1021 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
1022
a0540757
PH
1023PH/55 Check for a ridiculously long file name in exim_dbmbuild.
1024
944e9e9c 1025
478be7b0
SC
1026Exim version 4.63
1027-----------------
1028
1029SC/01 Use a glob alias rather than an array ref in eximstats generated
1030 parser. This improves both readability and performance.
1031
1032SC/02 Collect SpamAssassin and rejection statistics in eximstats.
1033 Don't display local sender or destination tables in eximstats unless
1034 there is data to show.
1035 Added average volumes into the eximstats top table text output.
1036
1037SC/03 Collect data on the number of addresses (recipients) as well
1038 as the number of messages in eximstats.
1039
2b965a65
TF
1040TF/01 Correct an error in the documentation for the redirect router. Exim
1041 does (usually) call initgroups() when daemonizing.
478be7b0 1042
45b91596
PH
1043TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
1044 with consistent privilege compared to when running as a daemon.
478be7b0 1045
c59f5781
TF
1046TF/03 Note in the spec that $authenticated_id is not set for local
1047 submissions from trusted users.
1048
90fc3069
TF
1049TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
1050 Thanks to Dean Brooks <dean@iglou.com> for the patch.
1051
6083aca0
TF
1052TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
1053 by adding some example configuration directives to the default
1054 configuration file. A little bit of work is required to uncomment the
1055 directives and define how usernames and passwords are checked, but
1056 there is now a framework to start from.
1057
765b530f
PH
1058PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
1059 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
1060 without this. I don't know how relevant this is to other LDAP libraries.
1061
4e167a8c
PH
1062PH/02 Add the verb name to the "unknown ACL verb" error.
1063
4608d683
PH
1064PH/03 Magnus Holmgren's patch for filter_prepend_home.
1065
b8dc3e4a
PH
1066PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
1067
5418e93b
PH
1068PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
1069 directory not expanded when it should be if an expanded home directory
1070 was set for the address (which is overridden by the transport).
1071
b4a9bda2
PH
1072PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
1073 libradius.
1074
45b91596
PH
1075PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
1076 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
1077 because it is too late at that time, and has no effect.
1078
5547e2c5
PH
1079PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
1080 security issue with \' (bugzilla #107). I could not use the
1081 PQescapeStringConn() function, because it needs a PGconn value as one of
1082 its arguments.
1083
dbcef0ea
PH
1084PH/08 When testing addresses using -bt, indicate those final addresses that
1085 are duplicates that would not cause an additional delivery. At least one
1086 person was confused, thinking that -bt output corresponded to deliveries.
1087 (Suppressing duplicates isn't a good idea as you lose the information
1088 about possibly different redirections that led to the duplicates.)
1089
25257489
PH
1090PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
1091 systems where poll() doesn't work, in particular OS X.
1092
c816d124
PH
1093PH/10 Added more information to debugging output for retry time not reached.
1094
a9ccd69a
PH
1095PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
1096 operations in malware.c.
1097
75fa1910
PH
1098PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
1099 signatures.
1100
a7d7aa58
PH
1101PH/13 If write_rejectlog was set false when logging was sent to syslog with
1102 syslog_duplication set false, log lines that would normally be written
1103 both the the main log and to the reject log were not written to syslog at
1104 all.
1105
42119b09
PH
1106PH/14 In the default configuration, change the use of "message" in ACL warn
1107 statements to "add_header".
1108
41609df5
PH
1109PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
1110 not followed by a command (e.g. "seen endif").
1111
a5bd321b
PH
1112PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
1113 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
1114 latter.
1115
e85a7ad5 1116PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
1117 so that it is now:
1118
e85a7ad5
PH
1119 ${if or { \
1120 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
1121 { match{$h_precedence:}{(?i)bulk|list|junk} } \
1122 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
1123 }{no}{yes}}
1124
e85a7ad5
PH
1125 The Auto-Submitted: and various List- headers are standardised, whereas I
1126 don't think Precedence: ever was.
5dff5817 1127
d8fe1c03
PH
1128PH/18 Refactored debugging code in route_finduser() to show more information,
1129 in particular, the error code if getpwnam() issues one.
1130
16282d2b
PH
1131PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
1132 This is apparently needed in addition to the PH/07 change above to avoid
1133 any possible encoding problems.
1134
35d40a98
PH
1135PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
1136 but not after initializing Perl.
1137
034d99ab
PH
1138PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
1139 output them only if debugging. By default they are written stderr,
1140 apparently, which is not desirable.
1141
6ec97b1b
PH
1142PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
1143 queries.
1144
e22ca4ac
JJ
1145JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
1146 --not options
1147
1148JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
1149
33d73e3b
PH
1150PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
1151 authenticated or an ident call has been made. Suppress the default
1152 values for $authenticated_id and $authenticated_sender (but permit -oMai
1153 and -oMas) when testing with -bh.
1154
9ecb03f3
PH
1155PH/24 Re-jigged the order of the tests in the default configuration so that the
1156 tests for valid domains and recipients precede the DNS black list and CSA
1157 tests, on the grounds that those ones are more expensive.
1158
084efe8d
PH
1159PH/25 Exim was not testing for a space following SMTP commands such as EHLO
1160 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
1161 This bug exists in every version of Exim that I still have, right back to
1162 0.12.
1163
366fc9f0
PH
1164PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
1165 However, an attempt to turn on case-sensitivity in a regex key by
1166 including (?-i) didn't work because the subject string was already
1167 lowercased, and the effects were non-intuitive. It turns out that a
1168 one-line patch can be used to allow (?-i) to work as expected.
1169
c59f5781 1170
c887c79e
TF
1171Exim version 4.62
1172-----------------
1173
1174TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
1175 other effects) broke the use of negated acl sub-conditions.
1176
1cce3af8
PH
1177PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
1178 patch).
1179
afb3eaaf
PH
1180PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
1181 "Deny" causes Exim to reject the incoming connection with a 554 error.
1182 Unfortunately, if there is a major crisis, such as a disk failure,
1183 tcp-wrappers gives "deny", whereas what one would like would be some
1184 kind of temporary error. A kludge has been added to help with this.
1185 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
1186 554 error is used if errno is still zero or contains ENOENT (which occurs
1187 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
1188 451 error is used.
1189
e173618b
PH
1190PH/03 Add -lutil to the default FreeBSD LIBS setting.
1191
dd16e114
PH
1192PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
1193 errors. Otherwise a message that provokes a temporary error (when other
1194 messages do not) can cause a whole host to time out.
1195
f7fd3850
PH
1196PH/05 Batch deliveries by appendfile and pipe transports did not work when the
1197 addresses were routed directly to files or pipes from a redirect router.
1198 File deliveries just didn't batch; pipe deliveries might have suffered
1199 odd errors.
1200
d87df92c
PH
1201PH/06 A failure to get a lock for a hints database would erroneously always say
1202 "Failed to get write lock", even when it was really a read lock.
1203
7e9f683d
PH
1204PH/07 The appendfile transport was creating MBX lock files with a fixed mode
1205 of 0600. This has been changed to use the value of the lockfile_mode
1206 option (which defaults to 0600).
1207
bfad5236
PH
1208PH/08 Applied small patch from the Sieve maintainer.
1209
01c490df
PH
1210PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
1211 folder from quota calculations, a direct delivery into this folder messed
1212 up the contents of the maildirsize file. This was because the regex was
1213 used only to exclude .Trash (or whatever) when the size of the mailbox
1214 was calculated. There was no check that a delivery was happening into an
1215 excluded directory. This bug has been fixed by ignoring all quota
1216 processing for deliveries into excluded directories.
1217
d6629cdc
PH
1218PH/10 Added the maildirfolder_create_regex option to appendfile.
1219
1cce3af8 1220
214e2000
PH
1221Exim version 4.61
1222-----------------
1223
1224PH/01 The code for finding all the local interface addresses on a FreeBSD
1225 system running IPv6 was broken. This may well have applied to all BSD
1226 systems, as well as to others that have similar system calls. The broken
1227 code found IPv4 interfaces correctly, but gave incorrect values for the
1228 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
1229 that it would not match correctly against @[] and not recognize the IPv6
1230 addresses as local.
1231
f9daeae0
PH
1232PH/02 The ipliteral router was not recognizing addresses of the form user@
1233 [ipv6:....] because it didn't know about the "ipv6:" prefix.
1234
7e66e54d
PH
1235PH/03 Added disable_ipv6.
1236
c8ea1597
PH
1237PH/04 Changed $reply_address to use the raw form of the headers instead of the
1238 decoded form, because it is most often used to construct To: headers
1239 lines in autoreplies, and the decoded form may well be syntactically
1240 invalid. However, $reply_address has leading white space removed, and all
1241 newlines turned into spaces so that the autoreply transport does not
1242 grumble.
1243
911f6fde
PH
1244PH/05 If group was specified without a user on a router, and no group or user
1245 was specified on a transport, the group from the router was ignored.
1246
47ca6d6c
PH
1247PH/06 Increased the number of ACL variables to 20 of each type, and arranged
1248 for visible compile-time settings that can be used to change these
1249 numbers, for those that want even more. Backwards compatibility with old
1250 spool files has been maintained. However, going back to a previous Exim
1251 release will lost any variables that are in spool files.
1252
ed0e9820
PH
1253PH/07 Two small changes when running in the test harness: increase delay when
1254 passing a TCP/IP connection to a new process, in case the original
1255 process has to generate a bounce, and remove special handling of
1256 127.0.0.2 (sic), which is no longer necessary.
1257
eff37e47
PH
1258PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
1259 be the same on different OS.
1260
1921d2ea
PH
1261PH/09 Moved a debug statement in filter processing to avoid a race problem when
1262 testing.
1263
b3f69ca8
JJ
1264JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
1265 whether --show-vars was specified or not
1266
1267JJ/02 exipick: Added support for new ACL variable spool format introduced
1268 in 4.61-PH/06
1269
424a1c63
PH
1270PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
1271 syntactically invalid From: or Reply-to: line, and a filter used this to
1272 generate an autoreply, and therefore failed to obtain an address for the
1273 autoreply, Exim could try to deliver to a non-existent relative file
1274 name, causing unrelated and misleading errors. What now happens is that
1275 it logs this as a hard delivery error, but does not attempt to create a
1276 bounce message.
1277
7a100415
PH
1278PH/11 The exinext utility has a -C option for testing purposes, but although
1279 the given file was scanned by exinext itself; it wasn't being passed on
1280 when Exim was called.
1281
19b9dc85
PH
1282PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
1283 an end-of-file indication when reading a command response.
1284
309bd837
PH
1285PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
1286 compiled. In many other places in Exim, IPv6 addresses are always
1287 recognized, so I have changed this. It also means that IPv4 domain
1288 literals of the form [IPV4:n.n.n.n] are now always recognized.
1289
59e82a2a
PH
1290PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
1291 used if the router is not running as root, for example, when verifying at
1292 ACL time, or when using -bh. The debugging output from this situation was
1293 non-existent - all you got was a failure to exec. I have made two
1294 changes:
1295
1296 (a) Failures to set uid/gid, the current directory, or a process leader
1297 in a subprocess such as that created by queryprogram now generate
1298 suitable debugging ouput when -d is set.
1299
1300 (b) The queryprogram router detects when it is not running as root,
1301 outputs suitable debugging information if -d is set, and then runs
1302 the subprocess without attempting to change uid/gid.
1303
9edc04ce
PH
1304PH/15 Minor change to Makefile for building test_host (undocumented testing
1305 feature).
1306
1349e1e5
PH
1307PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
1308 additional section of a DNS packet that returns MX or SRV records.
1309 Instead, it always explicitly searches for A/AAAA records. This avoids
1310 major problems that occur when a DNS server includes only records of one
1311 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
1312 fixed another bug: if SRV records were looked up and the corresponding
1313 address records were *not* found in the additional section, the port
1314 values from the SRV records were lost.
1315
ea49d0e1
PH
1316PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
1317 using the correct key (the original address) when searching the retry
1318 rules in order to find which one to use for generating the retry hint.
1319
064a94c9
PH
1320PH/18 If quota_warn_message contains a From: header, Exim now refrains from
1321 adding the default one. Similarly, if it contains a Reply-To: header, the
1322 errors_reply_to option, if set, is not used.
1323
727071f8
PH
1324PH/19 When calculating a retry time, Exim used to measure the "time since
1325 failure" by looking at the "first failed" field in the retry record. Now
1326 it does not use this if it is later than than the arrival time of the
1327 message. Instead it uses the arrival time. This makes for better
1328 behaviour in cases where some deliveries succeed, thus re-setting the
1329 "first failed" field. An example is a quota failure for a huge message
1330 when small messages continue to be delivered. Without this change, the
1331 "time since failure" will always be short, possible causing more frequent
1332 delivery attempts for the huge message than are intended.
dd16e114 1333 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 1334
f78eb7c6
PH
1335PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
1336 $1, $2, $3) because the numerical variables can be reset during some
1337 expansion items (e.g. "match"), thereby losing the authentication data.
1338
21c28500
PH
1339PH/21 Make -bV show the size of off_t variables so that the test suite can
1340 decide whether to run tests for quotas > 2G.
1341
1342PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
1343 mailbox_size, and mailbox_filecount in the appendfile transport. If a
1344 filecount value is greater than 2G or if a quota value is greater than 2G
1345 on a system where the size of off_t is not greater than 4, a panic error
1346 is given.
1347
1688f43b
PH
1348PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
1349 never match. The debug and -bh output now contains an explicit error
1350 message indicating a malformed IPv4 address or mask.
1351
1352PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
1353 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
1354 PH/23 above applies.
1355
9675b384
PH
1356PH/25 Do not write to syslog when running in the test harness. The only
1357 occasion when this arises is a failure to open the main or panic logs
1358 (for which there is an explicit test).
1359
6a3f1455
PH
1360PH/26 Added the /no_tell option to "control=freeze".
1361
dac79d3e
PH
1362PH/27 If a host name lookup failed very early in a connection, for example, if
1363 the IP address matched host_lookup and the reverse lookup yielded a name
1364 that did not have a forward lookup, an error message of the form "no IP
1365 address found for host xxx.xxx.xxx (during SMTP connection from NULL)"
1366 could be logged. Now it outputs the IP address instead of "NULL".
1349e1e5 1367
5977a0b3
PH
1368PH/28 An enabling patch from MH: add new function child_open_exim2() which
1369 allows the sender and the authenticated sender to be set when
1370 submitting a message from within Exim. Since child_open_exim() is
1371 documented for local_scan(), the new function should be too.
1372
c91535f3
PH
1373PH/29 In GnuTLS, a forced expansion failure for tls_privatekey was not being
1374 ignored. In both GnuTLS and OpenSSL, an expansion of tls_privatekey that
1375 results in an empty string is now treated as unset.
1376
0d46a8c8
PH
1377PH/30 Fix eximon buffer overflow bug (Bugzilla #73).
1378
278c6e6c
PH
1379PH/31 Added sender_verify_fail logging option.
1380
2cbb4081
PH
1381PH/32 In November 2003, the code in Exim that added an empty Bcc: header when
1382 needed by RFC 822 but not by RFC 2822 was commented out. I have now
1383 tidied the source and removed it altogether.
1384
3eef829e
PH
1385PH/33 When a queue run was abandoned because the load average was too high, a
1386 log line was always written; now it is written only if the queue_run log
1387 selector is set. In addition, the log line for abandonment now contains
1388 information about the queue run such as the pid. This is always present
1389 in "start" and "stop" lines but was omitted from the "abandon" line.
1390
1ab95fa6
PH
1391PH/34 Omit spaces between a header name and the colon in the error message that
1392 is given when verify = headers_syntax fails (if there are lots of them,
1393 the message gets confusing).
1394
230205fc
PH
1395PH/35 Change the default for dns_check_names_pattern to allow slashes within
1396 names, as there are now some PTR records that contain slashes. This check
1397 is only to protect against broken name servers that fall over on strange
1398 characters, so the fact that it applies to all lookups doesn't matter.
1399
75e0e026
PH
1400PH/36 Now that the new test suite is complete, we can remove some of the
1401 special code in Exim that was needed for the old test suite. For example,
1402 sorting DNS records because real resolvers return them in an arbitrary
1403 order. The new test suite's fake resolver always returns records in the
1404 same order.
1405
1406PH/37 When running in the test harness, use -odi for submitted messages (e.g.
1407 bounces) except when queue_only is set, to avoid logging races between
1408 the different processes.
1409
145396a6
PH
1410PH/38 Panic-die if .include specifies a non-absolute path.
1411
3cd34f13
PH
1412PH/39 A tweak to the "H" retry rule from its user.
1413
11121d3d
JJ
1414JJ/03 exipick: Removed parentheses from 'next' and 'last' calls that specified
1415 a label. They prevented compilation on older perls.
1416
1417JJ/04 exipick: Refactored code to prevent implicit split to @_ which caused
1418 a warning to be raised on newish perls.
1419
1420JJ/05 exipick: Fixed bug where -bpc always showed a count of all messages
1421 on queue. Changes to match documented behaviour of showing count of
1422 messages matching specified criteria.
1423
8def5aaf
PH
1424PH/40 Changed the default ident timeout from 30s to 5s.
1425
929ba01c
PH
1426PH/41 Added support for the use of login_cap features, on those BSD systems
1427 that have them, for controlling the resources used by pipe deliveries.
1428
2632889e
PH
1429PH/42 The content-scanning code uses fopen() to create files in which to put
1430 message data. Previously it was not paying any attention to the mode of
1431 the files. Exim runs with umask(0) because the rest of the code creates
1432 files with open(), and sets the required mode explicitly. Thus, these
1433 files were ending up world-writeable. This was not a big issue, because,
1434 being within the spool directory, they were not world-accessible. I have
1435 created a function called modefopen, which takes an additional mode
1436 argument. It sets umask(777), creates the file, chmods it to the required
1437 mode, then resets the umask. All the relevant calls to fopen() in the
1438 content scanning code have been changed to use this function.
1439
944a9c55
PH
1440PH/43 If retry_interval_max is set greater than 24 hours, it is quietly reset
1441 to 24 hours. This avoids potential overflow problems when processing G
1442 and H retry rules. I suspect nobody ever tinkers with this value.
1443
4a23603b
PH
1444PH/44 Added STRIP_COMMAND=/usr/bin/strip to the FreeBSD Makefile.
1445
4730f942
PH
1446PH/45 When the plaintext authenticator is running as a client, the server's
1447 challenges are checked to ensure they are valid base64 strings. By
1448 default, the authentication attempt is cancelled if an invalid string is
1449 received. Setting client_ignore_invalid_base64 true ignores these errors.
1450 The decoded challenge strings are now placed in $auth1, $auth2, etc. as
1451 they are received. Thus, the responses can be made to depend on the
1452 challenges. If an invalid string is ignored, an empty string is placed in
1453 the variable.
1454
30dba1e6
PH
1455PH/46 Messages that are created by the autoreply transport now contains a
1456 References: header, in accordance with RFCs 2822 and 3834.
1457
382afc6b
PH
1458PH/47 Added authenticated_sender_force to the smtp transport.
1459
a86229cf
PH
1460PH/48 The ${prvs expansion was broken on systems where time_t was long long.
1461
50c99ba6
PH
1462PH/49 Installed latest patch from the Sieve maintainer.
1463
d35e429d
PH
1464PH/50 When an Exim quota was set without a file count quota, and mailbox_size
1465 was also set, the appendfile transport was unnecessarily scanning a
1466 directory of message files (e.g. for maildir delivery) to find the count
1467 of files (along with the size), even though it did not need this
1468 information. It now does the scan only if it needs to find either the
1469 size of the count of files.
1470
f90d018c
PH
1471PH/51 Added ${time_eval: to convert Exim time strings into seconds.
1472
75def545
PH
1473PH/52 Two bugs concerned with error handling when the smtp transport is
1474 used in LMTP mode:
1475
1476 (i) Exim was not creating retry information for temporary errors given
1477 for individual recipients after the DATA command when the smtp transport
1478 was used in LMTP mode. This meant that they could be retried too
1479 frequently, and not timed out correctly.
1480
1481 (ii) Exim was setting the flag that allows error details to be returned
1482 for LMTP errors on RCPT commands, but not for LMTP errors for individual
1483 recipients that were returned after the DATA command.
1484
1485PH/53 This is related to PH/52, but is more general: for any failing address,
1486 when detailed error information was permitted to be returned to the
1487 sender, but the error was temporary, then after the final timeout, only
1488 "retry timeout exceeded" was returned. Now it returns the full error as
1489 well as "retry timeout exceeded".
1490
c46782ef
PH
1491PH/54 Added control=allow_auth_unadvertised, as it seems there are clients that
1492 do this, and (what is worse) MTAs that accept it.
1493
71fafd95
PH
1494PH/55 Added the add_header modified to ACLs. The use of "message" with "warn"
1495 will now be deprecated.
1496
2c5db4fd
PH
1497PH/56 New os.c-cygwin from the Cygwin maintainer.
1498
9cf6b11a
JJ
1499JJ/06 exipick: added --unsorted option to allow unsorted output in all output
1500 formats (previously only available in exim formats via -bpr, -bpru,
1501 and -bpra. Now also available in native and exiqgrep formats)
1502
1503JJ/07 exipick: added --freeze and --thaw options to allow faster interaction
1504 with very large, slow to parse queues
1505
1506JJ/08 exipick: added ! as generic prefix to negate any criteria format
1507
1508JJ/09 exipick: miscellaneous performance enhancements (~24% improvements)
1509
898d150f
PH
1510PH/57 Tidies in SMTP dialogue display in debug output: (i) It was not showing
1511 responses to authentication challenges, though it was showing the
1512 challenges; (ii) I've removed the CR characters from the debug output for
1513 SMTP output lines.
1514
46218253
PH
1515PH/58 Allow for the insertion of a newline as well as a space when a string
1516 is turned into more than one encoded-word during RFC 2047 encoding. The
1517 Sieve code now uses this.
1518
e97957bc
PH
1519PH/59 Added the following errors that can be detected in retry rules: mail_4xx,
1520 data_4xx, lost_connection, tls_required.
1521
81e509d7
PH
1522PH/60 When a VRFY deferred or FAILED, the log message rather than the user
1523 message was being sent as an SMTP response.
1524
3d240ff7
PH
1525PH/61 Add -l and -k options to exicyclog.
1526
b37c4101
PH
1527PH/62 When verifying, if an address was redirected to one new address, so that
1528 verification continued, and the new address failed or deferred after
1529 having set something in $address_data, the value of $address_data was not
1530 passed back to the ACL. This was different to the case when no
1531 redirection occurred. The value is now passed back in both cases.
1532
79378e0f
PH
1533PH/63 Changed the macro HAVE_LOGIN_CAP (see PH/41 for this release above) to
1534 HAVE_SETCLASSRESOURCES because there are different APIs in use that all
1535 use login_cap.h, so on its own it isn't the distinguishing feature. The
1536 new name refers directly to the setclassresources() function.
1537
e49c7bb4
PH
1538PH/65 Added configuration files for NetBSD3.
1539
d114ec46
PH
1540PH/66 Updated OS/Makefile-HP-UX for gcc 4.1.0 with HP-UX 11.
1541
f3d7df6c
PH
1542PH/67 Fixed minor infelicity in the sorting of addresses to ensure that IPv6
1543 is preferred over IPv4.
1544
715ab376
PH
1545PH/68 The bounce_return_message and bounce_return_body options were not being
1546 honoured for bounces generated during the reception of non-SMTP messages.
1547 In particular, this applied to messages rejected by the ACL. This bug has
1548 been fixed. However, if bounce_return_message is true and bounce_return_
1549 body is false, the headers that are returned for a non-SMTP message
1550 include only those that have been read before the error was detected.
1551 (In the case of an ACL rejection, they have all been read.)
1552
6b31b150
PH
1553PH/69 The HTML version of the specification is now built in a directory called
1554 spec_html instead of spec.html, because the latter looks like a path with
1555 a MIME-type, and this confuses some software.
1556
1557PH/70 Catch two compiler warnings in sieve.c.
1558
d515a917
PH
1559PH/71 Fixed an obscure and subtle bug (thanks Alexander & Matthias). The
1560 function verify_get_ident() calls ip_connect() to connect a socket, but
1561 if the "connect()" function timed out, ip_connect() used to close the
1562 socket. However, verify_get_ident() also closes the socket later, and in
1563 between Exim writes to the log, which may get opened at this point. When
1564 the socket was closed in ip_connect(), the log could get the same file
1565 descriptor number as the socket. This naturally causes chaos. The fix is
1566 not to close the socket in ip_connect(); the socket should be closed by
1567 the function that creates it. There was only one place in the code where
1568 this was missing, in the iplookup router, which I don't think anybody now
1569 uses, but I've fixed it anyway.
1570
9b8fadde
PH
1571PH/72 Make dns_again_means_nonexist apply to lookups using gethostbyname() as
1572 well as to direct DNS lookups. Otherwise the handling of names in host
1573 lists is inconsistent and therefore confusing.
1574
214e2000 1575
5de37277
PH
1576Exim version 4.60
1577-----------------
1578
cc38ddbf
PH
1579PH/01 Two changes to the default runtime configuration:
1580
1581 (1) Move the checks for relay_from_hosts and authenticated clients from
1582 after to before the (commented out) DNS black list checks.
1583
1584 (2) Add control=submission to the relay_from_hosts and authenticated
1585 clients checks, on the grounds that messages accepted by these
1586 statements are most likely to be submissions.
5de37277 1587
72fdd6ae
PH
1588PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
1589
1590 (1) Generate an error if the third argument for the ${prvs expansion is
1591 not a single digit.
1592
1593 (2) Treat a missing third argument of ${prvscheck as if it were an empty
1594 string.
1595
1596 (3) Reset the variables that are obtained from the first argument of
1597 ${prvscheck and used in the second argument before leaving the code,
1598 because their memory is reclaimed, so using them afterwards may do
1599 silly things.
1600
1601 (4) Tidy up the code for expanding the arguments of ${prvscheck one by
1602 one (it's much easier than Tom thought :-).
1603
1604 (5) Because of (4), we can now allow for the use of $prvscheck_result
1605 inside the third argument.
cb9328de 1606
cb741023
PH
1607PH/03 For some reason, the default setting of PATH when running a command from
1608 a pipe transport was just "/usr/bin". I have changed it to
1609 "/bin:/usr/bin".
1610
f174f16e
PH
1611PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
1612 anything to be listed in the output from -bV.
b2f5a032 1613
c25242d7
PH
1614PH/05 When a filter generated an autoreply, the entire To: header line was
1615 quoted in the delivery log line, like this:
1616
1617 => >A.N.Other <ano@some.domain> <original@ddress> ...
1618
1619 This has been changed so that it extracts the operative address. There
1620 may be more than one such address. If so, they are comma-separated, like
1621 this:
1622
1623 => >ano@some.domain,ona@other.domain <original@ddress> ...
1624
82c19f95
PH
1625PH/06 When a client host used a correct literal IP address in a HELO or EHLO
1626 command, (for example, EHLO [1.2.3.4]) and the client's IP address was
1627 not being looked up in the rDNS to get a host name, Exim was showing the
1628 IP address twice in Received: lines, even though the IP addresses were
1629 identical. For example:
1630
1631 Received: from [1.2.3.4] (helo=[1.2.3.4])
1632
1633 However, if the real host name was known, it was omitting the HELO data
1634 if it matched the actual IP address. This has been tidied up so that it
1635 doesn't show the same IP address twice.
1636
d7ffbc12
PH
1637PH/07 When both +timestamp and +memory debugging was on, the value given by
1638 $tod_xxx expansions could be wrong, because the tod_stamp() function was
1639 called by the debug printing, thereby overwriting the timestamp buffer.
1640 Debugging no longer uses the tod_stamp() function when +timestamp is set.
1641
9f526266
PH
1642PH/08 When the original message was included in an autoreply transport, it
1643 always said "this is a copy of the message, including all the headers",
1644 even if body_only or headers_only was set. It now gives an appropriate
1645 message.
1646
87fcc8b9
PH
1647PH/09 Applied a patch from the Sieve maintainer which:
1648
1649 o fixes some comments
1650 o adds the (disabled) notify extension core
1651 o adds some debug output for the result of if/elsif tests
1652 o points to the current vacation draft in the documentation
1653 and documents the missing references header update
1654
1655 and most important:
1656
1657 o fixes a bug in processing the envelope test (when testing
1658 multiple envelope elements, the last element determinted the
1659 result)
1660
456682f5
PH
1661PH/10 Exim was violating RFC 3834 ("Recommendations for Automatic Responses to
1662 Electronic Mail") by including:
1663
1664 Auto-submitted: auto-generated
1665
1666 in the messages that it generates (bounce messages and others, such as
1667 warnings). In the case of bounce messages for non-SMTP mesages, there was
1668 also a typo: it was using "Auto_submitted" (underscore instead of
1669 hyphen). Since every message generated by Exim is necessarily in response
1670 to another message, thes have all been changed to:
1671
1672 Auto-Submitted: auto-replied
1673
1674 in accordance with these statements in the RFC:
1675
1676 The auto-replied keyword:
1677
1678 - SHOULD be used on messages sent in direct response to another
1679 message by an automatic process,
1680
1681 - MUST NOT be used on manually-generated messages,
1682
1683 - MAY be used on Delivery Status Notifications (DSNs) and Message
1684 Disposition Notifications (MDNs),
1685
1686 - MUST NOT be used on messages generated by automatic or periodic
1687 processes, except for messages which are automatic responses to
1688 other messages.
1689
3e46c1aa
PH
1690PH/11 Added "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1691 to the default Received: header definition.
456682f5 1692
49826d12
PH
1693PH/12 Added log selector acl_warn_skipped (default on).
1694
eba0c039
PH
1695PH/13 After a successful wildlsearch lookup, discard the values of numeric
1696 variables because (a) they are in the wrong storage pool and (b) even if
1697 they were copied, it wouldn't work properly because of the caching.
1698
a0d6ba8a
PH
1699PH/14 Add check_rfc2047_length to disable enforcement of RFC 2047 length
1700 checking when decoding. Apparently there are clients that generate
1701 overlong encoded strings. Why am I not surprised?
1702
f0917727
PH
1703PH/15 If the first argument of "${if match_address" was not empty, but did not
1704 contain an "@" character, Exim crashed. Now it writes a panic log message
1705 and treats the condition as false.
1706
096fee00
PH
1707PH/16 In autoreply, treat an empty string for "once" the same as unset.
1708
024bd3c2
PH
1709PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
1710 extension "envelope-auth". The code is finished and in agreement with
1711 other implementations, but there is no documentation so far and in fact,
1712 nobody wrote the draft yet. This extension is currently #undef'ed, thus
1713 not changing the active code.
1714
1715 Print executed "if" and "elsif" statements when debugging is used. This
1716 helps a great deal to understand what a filter does.
1717
1718 Document more things not specified clearly in RFC3028. I had all this
1719 sorted out, when out of a sudden new issues came to my mind. Oops."
1720
df199fec
PH
1721PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
1722 (Bugzilla #53).
1723
d27f1df3
PH
1724PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
1725 canonical form (as documented). However, after a host name lookup from
1726 the IP address, check_host() was doing a simple string comparison with
1727 addresses acquired from the DNS when checking that the found name did
1728 have the original IP as one of its addresses. Since any found IPv6
1729 addresses are likely to be in abbreviated form, the comparison could
1730 fail. Luckily, there already exists a function for doing the comparison
1731 by converting both addresses to binary, so now that is used instead of
1732 the text comparison.
1733
96776534
PH
1734PH/20 There was another similar case to PH/19, when a complete host name was
1735 given in a host list; looking up its IP address could give an abbreviated
1736 form, whereas the current host's name might or might not be abbreviated.
1737 The same fix has been applied.
1738
5de37277 1739
9a799bc0
PH
1740Exim version 4.54
1741-----------------
1742
1743PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
1744 set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
1745 It now does.
1746
99a4b039
PH
1747PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
1748 the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
1749
1750PH/03 Typo: missing ".o" in src/pcre/Makefile.
1751
4b233853
PH
1752PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
1753 header line, restrict the check to what is listed in RFCs 2369 and 2929.
1754 Also, for "Auto-Submitted", treat anything other than "no" as
1755 non-personal, in accordance with RFC 3834. (Previously it treated
1756 anything starting "auto-" as non-personal.)
1757
8857ccfd
PH
1758TF/01 The control=submission/name=... option had a problem with syntax
1759 errors if the name included a slash character. The /name= option
1760 now slurps the rest of the string, so it can include any characters
1761 but it must come last in the list of options (after /sender_retain
1762 or /domain=).
1763
433a2980
PH
1764PH/05 Some modifications to the interface to the fake nameserver for the new
1765 testing suite.
1766
3e46c1aa 1767
9a799bc0 1768
e3a311ba
TK
1769Exim version 4.53
1770-----------------
1771
1772TK/01 Added the "success_on_redirect" address verification option. See
1773 NewStuff for rationale and an example.
1774
13b685f9
PH
1775PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
1776
395ff96d
PH
1777PH/02 Patch to exigrep to allow it to work on syslog lines.
1778
5b68f6e4
PH
1779PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
1780 fread() to skip over the body file's header line, because in Cygwin the
1781 header line is locked and is inaccessible.
1782
1ab52c69
PH
1783PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
1784 co-exist for some time) to make it clear that it is the Exim ID that is
1785 referenced, not the Message-ID: header line.
1786
b07e6aa3
PH
1787PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
1788 string_format() function, because snprintf() does not exist on all
1789 operating systems.
1790
254e032f
PH
1791PH/06 The use of forbid_filter_existstest now also locks out the use of the
1792 ${stat: expansion item.
1793
3af76a81
PH
1794PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
1795 protocol synchronization error", to keep the pedants happy.
1796
2548ba04
PH
1797PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
1798 well as for IRIX systems, when gcc is being used. See the host.c source
1799 file for comments.
1800
b6c6011d
PH
1801PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
1802
cf39cf57
PH
1803PH/10 Named domain lists were not working if used in a queue_smtp_domains
1804 setting.
1805
f1513293
PH
1806PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
1807 transport and to the smtp transport in LMTP mode.
1808
727549a4
PH
1809TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
1810
af46795e
PH
1811PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
1812 run a filter in a subprocess. This could lead to confusion in subsequent
1813 lookups in the parent process. There should also be a search_tidyup() at
1814 the end of the subprocess.
1815
d7b47fd0
PH
1816PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
1817 only if the host matched helo_try_verify_hosts, which caused the
1818 verification to occur when the EHLO/HELO command was issued. The ACL just
1819 tested the remembered result. Now, if a previous verification attempt has
1820 not happened, "verify = helo" does it there and then.
1821
ee744174
JJ
1822JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
1823
b582ab87
PH
1824TK/03 Fix log output including CR from clamd.
1825
41a13e0a
PH
1826PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
1827 exist provoked a memory error which could cause a segfault.
1828
f625cc5a
PH
1829PH/15 Installed PCRE 6.2
1830
1831PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
1832
21f7af35
PH
1833PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
1834 of the problem. Specifically, suggested +O2 rather than +O1 for the
1835 HP-UX compiler.
1836
31480e42
PH
1837PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
1838
2d280592
PH
1839PH/20 If a delivery was routed to a non-standard port by means of an SRV
1840 record, the port was not correctly logged when the outgoing_port log
1841 selector was set (it logged the transort's default port).
1842
7cd1141b
PH
1843PH/21 Added support for host-specific ports to manualroute, queryprogram,
1844 fallback_hosts, and "hosts" in the smtp transport.
1845
1846PH/22 If the log selector "outgoing_port" is set, the port is now also given on
1847 host errors such as "Connection refused".
1848
750af86e
PH
1849PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
1850 authentication with radiusclient 0.4.9:
1851
1852 - Error returned from rc_read_config was caught wrongly
1853 - Username/password not passed on to radius server due to wrong length.
1854
1855 The presumption is that some radiusclient API changes for 4.51/PH/17
1856 were not taken care of correctly. The code is still untested by me (my
1857 Linux distribution still has 0.3.2 of radiusclient), but it was
1858 contributed by a Radius user.
1859
1860PH/24 When doing a callout, the value of $domain wasn't set correctly when
1861 expanding the "port" option of the smtp transport.
1862
4304270b
TK
1863TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
1864 while reading a MIME header. Thanks to Tom Hughes for a patch.
1865
750af86e
PH
1866PH/24 Include config.h inside local_scan.h so that configuration settings are
1867 available.
1868
64ffc24f
PH
1869PH/25 Make $smtp_command_argument available after all SMTP commands. This means
1870 that in an ACL for RCPT (for example), you can examine exactly what was
1871 received.
1872
5dd9625b
PH
1873PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
1874 commands, but it was not correctly comparing the address with the actual
1875 client host address. Thus, it would show the EHLO address in Received:
1876 header lines when this was not necessary.
1877
5591031b
PH
1878PH/27 Added the % operator to ${eval:}.
1879
ba18e66a
PH
1880PH/28 Exim tries to create and chdir to its spool directory when it starts;
1881 it should be ignoring failures (because with -C, for example, it has lost
1882 privilege). It wasn't ignoring creation failures other than "already
1883 exists".
1884
9cec981f
PH
1885PH/29 Added "crypteq" to the list of supported features that Exim outputs when
1886 -bV or -d is used.
1887
aa2b5c79
PH
1888PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
1889 because an input line was too long, either on its own, or by virtue of
1509d3a8
PH
1890 too many continuations, the temporary file was not being removed, and the
1891 return code was incorrect.
aa2b5c79 1892
48a53b7f
PH
1893PH/31 Missing "BOOL" in function definition in filtertest.c.
1894
1c59d63b
PH
1895PH/32 Applied Sieve patches from the maintainer.
1896
671012da
TK
1897TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
1898
1509d3a8
PH
1899PH/33 Added "verify = not_blind".
1900
1901PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
1902 Local/Makefile (with some defaults set). These are used in built scripts
1903 such as exicyclog, but they have never been used in the exim_install
1904 script (though there are many overriding facilities there). I have
1905 arranged that the exim_install script now takes note of these two
1906 settings.
1907
1908PH/35 Installed configuration files for Dragonfly.
1909
2fe1a124
PH
1910PH/36 When a locally submitted message by a trusted user did not contain a
1911 From: header, and the sender address was obtained from -f or from an SMTP
1912 MAIL command, and the trusted user did not use -F to supply a sender
1913 name, $originator_name was incorrectly used when constructing a From:
1914 header. Furthermore, $originator_name was used for submission mode
1915 messages from external hosts without From: headers in a similar way,
1916 which is clearly wrong.
1917
8800895a
PH
1918PH/37 Added control=suppress_local_fixups.
1919
ccfdb010
PH
1920PH/38 When log_selector = +received_sender was set, and the addition of the
1921 sender made the log line's construction buffer exactly full, or one byte
1922 less than full, an overflow happened when the terminating "\n" was
1923 subsequently added.
1924
1130bfb0
PH
1925PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
1926 when the result of a list match is failure because a DNS lookup failed.
1927
ebcb507f
PH
1928PH/40 RM_COMMAND is now used in the building process.
1929
c35e155c
PH
1930PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
1931 the "build-* directories that it finds.
1932
95d1f782
PH
1933PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
1934 address in a domain literal was a prefix of an interface address.
1935
fd6de02e
PH
1936PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
1937 when verifying a sender address, unless rewrite_headers is false.
1938
58de37c5
PH
1939PH/44 Wrote a long comment about why errors_to addresses are verified as
1940 recipients, not senders.
1941
261cf466
TF
1942TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
1943 the ratelimit ACL was added.
1944
3ee512ff
PH
1945PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
1946
e08c430f
PH
1947PH/46 Added extra information about PostgreSQL errors to the error string.
1948
bef5a11f
PH
1949PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
1950 avoiding the need to install special zones in a real server. This is
1951 backwards compatible; if it can't find the fake resolver, it drops back.
1952 Thus, both old and new test suites can be run.
1953
7546de58
TF
1954TF/02 Added util/ratelimit.pl
1955
e5d5a95f
TF
1956TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
1957 clock is set back in time.
1958
2e88a017
TF
1959TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
1960 Candler <B.Candler@pobox.com>.
1961
a5f65aa4
TF
1962TF/05 The fix for PH/43 was not completely correct; widen_domains is always
1963 OK for addresses that are the result of redirections.
1964
e7726cbf
PH
1965PH/48 A number of further additions for the benefit of the new test suite,
1966 including a fake gethostbyname() that interfaces to the fake DNS resolver
1967 (see PH/47 above).
1968
a7fdad5b
TF
1969TF/06 The fix for widen_domains has also been applied to qualify_single and
1970 search_parents which are the other dnslookup options that can cause
1971 header rewrites.
1972
6af56900
PH
1973PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
1974 type ("H").
1975
0925ede6
PH
1976PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
1977
66afa403
TF
1978TF/07 Exim produced the error message "an SRV record indicated no SMTP
1979 service" if it encountered an MX record with an empty target hostname.
1980 The message is now "an MX or SRV record indicated no SMTP service".
1981
0154e85a
TF
1982TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
1983 if the DNS of the sending site is misconfigured. This is quite a
1984 common situation. This change restores the behaviour of treating a
1985 helo verification defer as a failure.
1986
16f12c76
PH
1987PH/51 If self=fail was set on a router, the bounce message did not include the
1988 actual error message.
1989
bbe902f0 1990
e5a9dba6
PH
1991Exim version 4.52
1992-----------------
1993
1994TF/01 Added support for Client SMTP Authorization. See NewStuff for details.
1995
22c3b60b
PH
1996PH/01 When a transport filter timed out in a pipe delivery, and the pipe
1997 command itself ended in error, the underlying message about the transport
1998 filter timeout was being overwritten with the pipe command error. Now the
1999 underlying error message should be appended to the second error message.
2000
06a9b4b5
PH
2001TK/01 Fix poll() being unavailable on Mac OSX 10.2.
2002
c1ac6996
PH
2003PH/02 Reduce the amount of output that "make" produces by default. Full output
2004 can still be requested.
2005
9c7a242c
PH
2006PH/03 The warning log line about a condition test deferring for a "warn" verb
2007 was being output only once per connection, rather than after each
2008 occurrence (because it was using the same function as for successful
2009 "warn" verbs). This seems wrong, so I have changed it.
2010
87ba3f5f
PH
2011TF/02 Two buglets in acl.c which caused Exim to read a few bytes of memory that
2012 it should not have, which might have caused a crash in the right
2013 circumstances, but probably never did.
2014
2015PH/04 Installed a modified version of Tony Finch's patch to make submission
2016 mode fix the return path as well as the Sender: header line, and to
2017 add a /name= option so that you can make the user's friendly name appear
2018 in the header line.
2019
29aba418
TF
2020TF/03 Added the control = fakedefer ACL modifier.
2021
fe0dab11
TF
2022TF/04 Added the ratelimit ACL condition. See NewStuff for details. Thanks to
2023 Mark Lowes for thorough testing.
870f6ba8 2024
11d337a4
TK
2025TK/02 Rewrote SPF support to work with libspf2 versions >1.2.0.
2026
2027TK/03 Merged latest SRS patch from Miles Wilton.
2028
415c8f3b
PH
2029PH/05 There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
2030 with the definition in sysexits.h (which is #included earlier).
2031 Fortunately, Exim does not actually use EX_OK. The code used to try to
2032 preserve the sysexits.h value, by assumimg that macro definitions were
2033 scanned for macro replacements. I have been disabused of this notion,
2034 so now the code just undefines EX_OK before #including unistd.h.
11d337a4 2035
958541e9
PH
2036PH/06 There is a timeout for writing blocks of data, set by, e.g. data_timeout
2037 in the smtp transport. When a block could not be written in a single
2038 write() function, the timeout was being re-applied to each part-write.
2039 This seems wrong - if the receiver was accepting one byte at a time it
2040 would take for ever. The timeout is now adjusted when this happens. It
2041 doesn't have to be particularly precise.
2042
c206415f
TK
2043TK/04 Added simple SPF lookup method in EXPERIMENTAL_SPF. See NewStuff for
2044 details. Thanks to Chris Webb <chris@arachsys.com> for the patch!
2045
2a4be8f9
PH
2046PH/07 Added "fullpostmaster" verify option, which does a check to <postmaster>
2047 without a domain if the check to <postmaster@domain> fails.
2048
1cba11c5
SC
2049SC/01 Eximstats: added -xls and the ability to specify output files
2050 (patch written by Frank Heydlauf).
2051
2052SC/02 Eximstats: use FileHandles for outputing results.
2053
2054SC/03 Eximstats: allow any combination of xls, txt, and html output.
2055
2056SC/04 Eximstats: fixed display of large numbers with -nvr option
2057
2058SC/05 Eximstats: fixed merging of reports with empty tables.
2059
2060SC/06 Eximstats: added the -include_original_destination flag
2061
2062SC/07 Eximstats: removed tabs and trailing whitespace.
2063
1005d00e
TK
2064TK/05 Malware: Improve on aveserver error handling. Patch from Alex Miller.
2065
2066TK/06 MBOX spool code: Add real "From " MBOX separator line
2067 so the .eml file is really in mbox format (even though
2068 most programs do not really care). Patch from Alex Miller.
2069
2070TK/07 MBOX spool code: Add X-Envelope-From: and X-Envelope-To: headers.
2071 The latter is generated from $received_to and is only set if the
2072 message has one envelope recipient. SA can use these headers,
2073 obviously out-of-the-box. Patch from Alex Miller.
2074
9b4768fa
PH
2075PH/08 The ${def test on a variable was returning false if the variable's
2076 value was "0", contrary to what the specification has always said!
2077 The result should be true unless the variable is empty.
2078
2079PH/09 The syntax error of a character other than { following "${if
2080 def:variable_name" (after optional whitespace) was not being diagnosed.
2081 An expansion such as ${if def:sender_ident:{xxx}{yyy}} in which an
2082 accidental colon was present, for example, could give incorrect results.
2083
0d7eb84a
PH
2084PH/10 Tidied the code in a number of places where the st_size field of a stat()
2085 result is used (not including appendfile, where other changes are about
2086 to be made).
2087
2088PH/11 Upgraded appendfile so that quotas larger than 2G are now supported.
2089 This involved changing a lot of size variables from int to off_t. It
2090 should work with maildirs and everything.
2091
40727bee
TK
2092TK/08 Apply fix provided by Michael Haardt to prevent deadlock in case of
2093 spamd dying while we are connected to it.
2094
554d2369
TF
2095TF/05 Fixed a ${extract error message typo reported by Jeremy Harris
2096 <jgh@wizmail.org>
2097
1f922db1
PH
2098PH/12 Applied Alex Kiernan's patch for the API change for the error callback
2099 function for BDB 4.3.
2100
ef213c3b
PH
2101PH/13 Changed auto_thaw such that it does not apply to bounce messages.
2102
8ac170f3
PH
2103PH/14 Imported PCRE 6.0; this was more than just a trivial operation because
2104 the sources for PCRE have been re-arranged and more files are now
2105 involved.
2106
b1c749bb
PH
2107PH/15 The code I had for printing potentially long long variables in PH/11
2108 above was not the best (it lost precision). The length of off_t variables
2109 is now inspected at build time, and an appropriate printing format (%ld
c6c2dc1d
PH
2110 or %lld) is chosen and #defined by OFF_T_FMT. We also define LONGLONG_T
2111 to be "long long int" or "long int". This is needed for the internal
2112 formatting function string_vformat().
b1c749bb 2113
4aac9b49
PH
2114PH/16 Applied Matthew Newton's patch to exicyclog: "If log_file_path is set in
2115 the configuration file to be ":syslog", then the script "guesses" where
2116 the logs files are, rather than using the compiled in default. In our
2117 case the guess is not the same as the compiled default, so the script
2118 suddenly stopped working when I started to use syslog. The patch checks
2119 to see if log_file_path is "". If so, it attempts to read it from exim
2120 with no configuration file to get the compiled in version, before it
2121 falls back to the previous guessing code."
2122
294520c8
TK
2123TK/09 Added "prvs" and "prvscheck" expansion items. These help a lot with
2124 implementing BATV in an Exim configuration. See NewStuff for the gory
2125 details.
2126
5bd022fe
PH
2127PH/17 Applied Michael Haardt's patch for HP-UX, affecting only the os.h and
2128 Makefile that are specific to HP-UX.
2129
90e9ce59
PH
2130PH/18 If the "use_postmaster" option was set for a recipient callout together
2131 with the "random" option, the postmaster address was used as the MAIL
2132 FROM address for the random test, but not for the subsequent recipient
2133 test. It is now used for both.
2134
5ea81592
PH
2135PH/19 Applied Michael Haardt's patch to update Sieve to RFC3028bis. "The
2136 patch removes a few documentation additions to RFC 3028, because the
2137 latest draft now contains them. It adds the new en;ascii-case comparator
2138 and a new error check for 8bit text in MIME parts. Comparator and
2139 require names are now matched exactly. I enabled the subaddress
2140 extension, but it is not well tested yet (read: it works for me)."
2141
c6c2dc1d
PH
2142PH/20 Added macros for time_t as for off_t (see PH/15 above) and used them to
2143 rework some of the code of TK/09 above to avoid the hardwired use of
2144 "%lld" and "long long". Replaced the call to snprintf() with a call to
2145 string_vformat().
2146
fffffe4c
PH
2147PH/21 Added some other messages to those in 4.51/PH/42, namely "All relevant MX
2148 records point to non-existent hosts", "retry timeout exceeded", and
2149 "retry time not reached for any host after a long failure period".
ca02eafb 2150
9a26b6b2
PH
2151PH/22 Fixed some oversights/typos causing bugs when Exim is compiled with
2152 experimental DomainKeys support:
2153
2154 (1) The filter variables $n0-$n9 and $sn0-$sn9 were broken.
2155 (2) On an error such as an illegally used "control", the wrong name for
2156 the control was given.
2157
2158 These problems did NOT occur unless DomainKeys support was compiled.
2159
4aee0225
PH
2160PH/23 Added daemon_startup_retries and daemon_startup_sleep.
2161
32d668a5
PH
2162PH/24 Added ${if match_ip condition.
2163
8187c3f3
PH
2164PH/25 Put debug statements on either side of calls to EXIM_DBOPEN() for hints
2165 databases so that it will be absolutely obvious if a crash occurs in the
2166 DB library. This is a regular occurrence (often caused by mis-matched
2167 db.h files).
2168
ff790e47 2169PH/26 Insert a lot of missing (void) casts for functions such as chown(),
f1e894f3
PH
2170 chmod(), fcntl(), sscanf(), and other functions from stdio.h. These were
2171 picked up on a user's system that detects such things. There doesn't seem
2172 to be a gcc warning option for this - only an attribute that has to be
2173 put on the function's prototype. It seems that in Fedora Core 4 they have
2174 set this on a number of new functions. No doubt there will be more in due
2175 course.
ff790e47 2176
5417f6d1
PH
2177PH/27 If a dnslookup or manualroute router is set with verify=only, it need not
2178 specify a transport. However, if an address that was verified by such a
2179 router was the subject of a callout, Exim crashed because it tried to
2180 read the rcpt_include_affixes from the non-existent transport. Now it
2181 just assumes that the setting of that option is false. This bug was
2182 introduced by 4.51/PH/31.
2183
59cf8544
PH
2184PH/28 Changed -d+all to exclude +memory, because that information is very
2185 rarely of interest, but it makes the output a lot bigger. People tend to
2186 do -d+all out of habit.
2187
e7ad8a65
PH
2188PH/29 Removed support for the Linux-libc5 build, as it is obsolete and the
2189 code in os-type was giving problems when libc.so lives in lib64, like on
2190 x86_64 Fedora Core.
2191
ade42478
PH
2192PH/30 Exim's DNS code uses the original T_xxx names for DNS record times. These
2193 aren't the modern standard, and it seems that some systems' include files
2194 don't always have them. Exim was already checking for some of the newer
2195 ones like T_AAAA, and defining it itself. I've added checks for all the
2196 record types that Exim uses.
2197
182ad5cf
PH
2198PH/31 When using GnuTLS, if the parameters cache file did not exist, Exim was
2199 not automatically generating a new one, as it is supposed to. This
2200 prevented TLS from working. If the file did exist, but contained invalid
2201 data, a new version was generated, as expected. It was only the case of a
2202 non-existent file that was broken.
2203
b0d9fc80
TK
2204TK/10 Domainkeys: Fix a bug in verification that caused a crash in conjunction
2205 with a change in libdomainkeys > 0.64.
2206
2207TK/11 Domainkeys: Change the logic how the "testing" policy flag is retrieved
2208 from DNS. If the selector record carries the flag, it now has
2209 precedence over the domain-wide flag.
2210
2211TK/12 Cleared some compiler warnings related to SPF, SRS and DK code.
2212
47c7a64a
PH
2213PH/32 In mua_wrapper mode, if an smtp transport configuration error (such as
2214 the use of a port name that isn't defined in /etc/services) occurred, the
2215 message was deferred as in a normal delivery, and thus remained on the
2216 spool, instead of being failed because of the mua_wrapper setting. This
2217 is now fixed, and I tidied up some of the mua_wrapper messages at the
2218 same time.
2219
a388bce4
SC
2220SC/08 Eximstats: whilst parsing the mainlog(s), store information about
2221 the messages in a hash of arrays rather than using individual hashes.
2222 This is a bit cleaner and results in dramatic memory savings, albeit
2223 at a slight CPU cost.
2224
2225SC/09 Eximstats: added the -show_rt<list> and the -show_dt<list> flags
2226 as requested by Marc Sherman.
2227
2228SC/10 Eximstats: added histograms for user specified patterns as requested
2229 by Marc Sherman.
2230
0793e4ed
SC
2231SC/11 Eximstats: v1.43 - bugfix for pattern histograms with -h0 specified.
2232
c58b88df
PH
2233PH/33 Patch from the Cygwin maintainer to add "b" to all occurences of
2234 fopen() in the content-scanning modules that did not already have it.
2235
e7ad8a65 2236
7982096b
PH
2237Exim version 4.51
2238-----------------
2239
1a46a8c5
PH
2240TK/01 Added Yahoo DomainKeys support via libdomainkeys. See
2241 doc/experimental-spec.txt for details. (http://domainkeys.sf.net)
2242
2f079f46 2243TK/02 Fix ACL "control" statement not being available in MIME ACL.
1a46a8c5
PH
2244
2245TK/03 Fix ACL "regex" condition not being available in MIME ACL.
2246
2247PH/01 Installed a patch from the Sieve maintainer that allows -bf to be used
2248 to test Sieve filters that use "vacation".
2249
2250PH/02 Installed a slightly modified version of Nikos Mavrogiannopoulos' patch
2251 that changes the way the GnuTLS parameters are stored in the cache file.
2252 The new format can be generated externally. For backward compatibility,
2253 if the data in the cache doesn't make sense, Exim assumes it has read an
2254 old-format file, and it generates new data and writes a new file. This
2255 means that you can't go back to an older release without removing the
2256 file.
2257
2258PH/03 A redirect router that has both "unseen" and "one_time" set does not
2259 work if there are any delivery delays because "one_time" forces the
2260 parent to be marked "delivered", so its unseen clone is never tried
2261 again. For this reason, Exim now forbids the simultaneous setting of
2262 these two options.
2263
2264PH/04 Change 4.11/85 fixed an obscure bug concerned with addresses that are
2265 redirected to themselves ("homonym" addresses). Read the long ChangeLog
2266 entry if you want to know the details. The fix, however, neglected to
2267 consider the case when local delivery batching is involved. The test for
2268 "previously delivered" was not happening when checking to see if an
2269 address could be batched with a previous (undelivered) one; under
2270 certain circumstances this could lead to multiple deliveries to the same
c2c19e9d 2271 address.
1a46a8c5
PH
2272
2273PH/05 Renamed the macro SOCKLEN_T as EXIM_SOCKLEN_T because AIX uses SOCKLEN_T
2274 in its include files, and this causes problems building Exim.
2275
2276PH/06 A number of "verify =" ACL conditions have no options (e.g. verify =
2277 header_syntax) but Exim was just ignoring anything given after a slash.
2278 In particular, this caused confusion with an attempt to use "verify =
2279 reverse_host_lookup/defer_ok". An error is now given when options are
2280 supplied for verify items that do not have them. (Maybe reverse_host_
2281 lookup should have a defer_ok option, but that's a different point.)
2282
2283PH/07 Increase the size of the buffer for incoming SMTP commands from 512 (as
2284 defined by RFC 821) to 2048, because there were problems with some AUTH
2285 commands, and RFC 1869 says the size should be increased for extended
2286 SMTP commands that take arguments.
2287
2288PH/08 Added ${dlfunc dynamically loaded function for expansion (code from Tony
2289 Finch).
2290
2291PH/09 Previously, an attempt to use ${perl when it wasn't compiled gave an
2292 "unknown" error; now it says that the functionality isn't in the binary.
8d67ada3 2293
49c2d5ea
PH
2294PH/10 Added a nasty fudge to try to recognize and flatten LDAP passwords in
2295 an address' error message when a string expansion fails (syntax or
f331f3b6
PH
2296 whatever). Otherwise the password may appear in the log. Following change
2297 PH/42 below, there is no longer a chance of it appearing in a bounce
2298 message.
49c2d5ea 2299
bf759a8b
PH
2300PH/11 Installed exipick version 20050225.0 from John Jetmore.
2301
83364d30
PH
2302PH/12 If the last host in a fallback_hosts list was multihomed, only the first
2303 of its addresses was ever tried. (Bugzilla bug #2.)
2304
7999bbd7
PH
2305PH/13 If "headers_add" in a transport didn't end in a newline, Exim printed
2306 the result incorrectly in the debug output. (It correctly added a newline
2307 to what was transported.)
2308
7dbf77c9
PH
2309TF/01 Added $received_time.
2310
74e0617f
PH
2311PH/14 Modified the default configuration to add an acl_smtp_data ACL, with
2312 commented out examples of how to interface to a virus scanner and to
2313 SpamAssassin. Also added commented examples of av_scanner and
2314 spamd_address settings.
2315
2f079f46
PH
2316PH/15 Further to TK/02 and TK/03 above, tidied up the tables of what conditions
2317 and controls are allowed in which ACLs. There were a couple of minor
2318 errors. Some of the entries in the conditions table (which is a table of
2319 where they are NOT allowed) were getting very unwieldy; rewrote them as a
2320 negation of where the condition IS allowed.
2321
8c841523
PH
2322PH/16 Installed updated OS/os.c-cygwin from the Cygwin maintainer.
2323
7766a4f0
PH
2324PH/17 The API for radiusclient changed at release 0.4.0. Unfortunately, the
2325 header file does not have a version number, so I've had to invent a new
2326 value for RADIUS_LIB_TYPE, namely "RADIUSCLIENTNEW" to request the new
2327 API. The code is untested by me (my Linux distribution still has 0.3.2 of
2328 radiusclient), but it was contributed by a Radius user.
2329
8b417f2c
PH
2330PH/18 Installed Lars Mainka's patch for the support of CRL collections in
2331 files or directories, for OpenSSL.
2332
901f42cb
PH
2333PH/19 When an Exim process that is running as root has to create an Exim log
2334 file, it does so in a subprocess that runs as exim:exim so as to get the
2335 ownership right at creation (otherwise, other Exim processes might see
2336 the file with the wrong ownership). There was no test for failure of this
2337 fork() call, which would lead to the process getting stuck as it waited
2338 for a non-existent subprocess. Forks do occasionally fail when resources
2339 run out. I reviewed all the other calls to fork(); they all seem to check
2340 for failure.
2341
f9b9210e
PH
2342PH/20 When checking for unexpected SMTP input at connect time (before writing
2343 the banner), Exim was not dealing correctly with a non-positive return
2344 from the read() function. If the client had disconnected by this time,
2345 the result was a log entry for a synchronization error with an empty
2346 string after "input=" when read() returned zero. If read() returned -1
2347 (an event I could not check), uninitialized data bytes were printed.
2348 There were reports of junk text (parts of files, etc) appearing after
2349 "input=".
2350
54cdb463
PH
2351PH/21 Added acl_not_smtp_mime to allow for MIME scanning for non-SMTP messages.
2352
cf00dad6
PH
2353PH/22 Added support for macro redefinition, and (re)definition in between
2354 driver and ACL definitions.
2355
acb1b346
PH
2356PH/23 The cyrus_sasl authenticator was expanding server_hostname, but then
2357 forgetting to use the resulting value; it was using the unexpanded value.
2358
c5ddb310
PH
2359PH/24 The cyrus_sasl authenticator was advertising mechanisms for which it
2360 hadn't been configured. The fix is from Juergen Kreileder, who
2361 understands it better than I do:
2362
2363 "Here's what I see happening with three configured cyrus_sasl
2364 authenticators configured (plain, login, cram-md5):
2365
2366 On startup auth_cyrus_sasl_init() gets called for each of these.
2367 This means three calls to sasl_listmech() without a specified mech_list.
2368 => SASL tests which mechs of all available mechs actually work
2369 => three warnings about OTP not working
2370 => the returned list contains: plain, login, cram-md5, digest-md5, ...
2371
2372 With the patch, sasl_listmech() also gets called three times. But now
2373 SASL's mech_list option is set to the server_mech specified in the the
2374 authenticator. Or in other words, the answer from sasl_listmech()
2375 gets limited to just the mech you're testing for (which is different
2376 for each call.)
2377 => the return list contains just 'plain' or 'login', 'cram-md5' or
2378 nothing depending on the value of ob->server_mech.
2379
2380 I've just tested the patch: Authentication still works fine,
2381 unavailable mechs specified in the exim configuration are still
2382 caught, and the auth.log warnings about OTP are gone."
2383
31619da6
PH
2384PH/25 When debugging is enabled, the contents of the command line are added
2385 to the debugging output, even when log_selector=+arguments is not
2386 specified.
2387
bebaf0fc
PH
2388PH/26 Change scripts/os-type so that when "uname -s" returns just "GNU", the
2389 answer is "GNU", and only if the return is "GNU/something" is the answer
2390 "Linux".
2391
475fe28a
PH
2392PH/27 $acl_verify_message is now set immediately after the failure of a
2393 verification in an ACL, and so is available in subsequent modifiers. In
2394 particular, the message can be preserved by coding like this:
2395
2396 warn !verify = sender
2397 set acl_m0 = $acl_verify_message
2398
2399 Previously, $acl_verify_message was set only while expanding "message"
2400 and "log_message" when a very denied access.
2401
7e8bec7a
PH
2402PH/28 Modified OS/os.c-Linux with
2403
2404 -#ifndef OS_LOAD_AVERAGE
2405 +#if !defined(OS_LOAD_AVERAGE) && defined(__linux__)
2406
2407 to make Exim compile on kfreebsd-gnu. (I'm totally confused about the
2408 nomenclature these days.)
2409
e4a89c47
PH
2410PH/29 Installed patch from the Sieve maintainer that adds the options
2411 sieve_useraddress and sieve_subaddress to the redirect router.
2412
5ca2a9a1
PH
2413PH/30 In these circumstances:
2414 . Two addresses routed to the same list of hosts;
2415 . First host does not offer TLS;
2416 . First host accepts first address;
2417 . First host gives temporary error to second address;
2418 . Second host offers TLS and a TLS session is established;
2419 . Second host accepts second address.
2420 Exim incorrectly logged both deliveries with the TLS parameters (cipher
2421 and peerdn, if requested) that were in fact used only for the second
2422 address.
7e8bec7a 2423
c688b954
PH
2424PH/31 When doing a callout as part of verifying an address, Exim was not paying
2425 attention to any local part prefix or suffix that was matched by the
2426 router that accepted the address. It now behaves in the same way as it
2427 does for delivery: the affixes are removed from the local part unless
2428 rcpt_include_affixes is set on the transport.
2429
fed77020
PH
2430PH/32 Add the sender address, as F=<...>, to the log line when logging a
2431 timeout during the DATA phase of an incoming message.
2432
7fe1560f
PH
2433PH/33 Sieve envelope tests were broken for match types other than :is. I have
2434 applied a patch sanctioned by the Sieve maintainer.
c688b954 2435
ebb6e6d5
PH
2436PH/34 Change 4.50/80 broke Exim in that it could no longer handle cases where
2437 the uid or gid is negative. A case of a negative gid caused this to be
2438 noticed. The fix allows for either to be negative.
2439
9c4e8f60
PH
2440PH/35 ACL_WHERE_MIME is now declared unconditionally, to avoid too much code
2441 clutter, but the tables that are indexed by ACL_WHERE_xxx values had been
2442 overlooked.
2443
2444PH/36 The change PH/12 above was broken. Fixed it.
2445
d7174846
PH
2446PH/37 Exim used to check for duplicate addresses in the middle of routing, on
2447 the grounds that routing the same address twice would always produce the
2448 same answer. This might have been true once, but it is certainly no
2449 longer true now. Routing a child address may depend on the previous
2450 routing that produced that child. Some complicated redirection strategies
2451 went wrong when messages had multiple recipients, and made Exim's
2452 behaviour dependent on the order in which the addresses were given.
2453
2454 I have moved the duplicate checking until after the routing is complete.
2455 Exim scans the addresses that are assigned to local and remote
2456 transports, and removes any duplicates. This means that more work will be
2457 done, as duplicates will always all be routed, but duplicates are
2458 presumably rare, so I don't expect this is of any significance.
2459
2460 For deliveries to pipes, files, and autoreplies, the duplicate checking
2461 still happens during the routing process, since they are not going to be
2462 routed further.
2463
cfe75fc3
PH
2464PH/38 Installed a patch from Ian Freislich, with the agreement of Tom Kistner.
2465 It corrects a timeout issue with spamd. This is Ian's comment: "The
2466 background is that sometimes spamd either never reads data from a
2467 connection it has accepted, or it never writes response data. The exiscan
2468 spam.[ch] uses a 3600 second timeout on spamd socket reads, further, it
2469 blindly assumes that writes won't block so it may never time out."
2470
be22d70e
PH
2471PH/39 Allow G after quota size as well as K and M.
2472
0612b098
PH
2473PH/40 The value set for $authenticated_id in an authenticator may not contain
2474 binary zeroes or newlines because the value is written to log lines and
2475 to spool files. There was no check on this. Now the value is run through
2476 the string_printing() function so that such characters are converted to
2477 printable escape sequences.
2478
2e0c1448
PH
2479PH/41 $message_linecount is a new variable that contains the total number of
2480 lines in the message. Compare $body_linecount, which is the count for the
2481 body only.
2482
447d236c
PH
2483PH/42 Exim no longer gives details of delivery errors for specific addresses in
2484 bounce and delay warning messages, except in certain special cases, which
2485 are as follows:
2486
2487 (a) An SMTP error message from a remote host;
2488 (b) A message specified in a :fail: redirection;
2489 (c) A message specified in a "fail" command in a system filter;
2490 (d) A message specified in a FAIL return from the queryprogram router;
2491 (e) A message specified by the cannot_route_message router option.
2492
2493 In these cases only, Exim does include the error details in bounce and
2494 warning messages. There are also a few cases where bland messages such
2495 as "unrouteable address" or "local delivery error" are given.
2496
d20976dc
PH
2497PH/43 $value is now also set for the "else" part of a ${run expansion.
2498
f656d135
PH
2499PH/44 Applied patch from the Sieve maintainer: "The vacation draft is still
2500 being worked on, but at least Exim now implements the latest version to
2501 play with."
2502
2e2a30b4
PH
2503PH/45 In a pipe transport, although a timeout while waiting for the pipe
2504 process to complete was treated as a delivery failure, a timeout while
2505 writing the message to the pipe was logged, but erroneously treated as a
2506 successful delivery. Such timeouts include transport filter timeouts. For
2507 consistency with the overall process timeout, these timeouts are now
2508 treated as errors, giving rise to delivery failures by default. However,
2509 there is now a new Boolean option for the pipe transport called
2510 timeout_defer, which, if set TRUE, converts the failures into defers for
2511 both kinds of timeout. A transport filter timeout is now identified in
2512 the log output.
2513
9176e9f0
PH
2514PH/46 The "scripts/Configure-config.h" script calls "make" at one point. On
2515 systems where "make" and "gmake" are different, calling "gmake" at top
2516 level broke things. I've arranged for the value of $(MAKE) to be passed
2517 from the Makefile to this script so that it can call the same version of
2518 "make".
2519
7982096b 2520
bbe902f0
PH
2521A note about Exim versions 4.44 and 4.50
2522----------------------------------------
2523
2524Exim 4.50 was meant to be the next release after 4.43. It contains a lot of
2525changes of various kinds. As a consequence, a big documentation update was
2526needed. This delayed the release for rather longer than seemed good, especially
2527in the light of a couple of (minor) security issues. Therefore, the changes
2528that fixed bugs were backported into 4.43, to create a 4.44 maintenance
2529release. So 4.44 and 4.50 are in effect two different branches that both start
2530from 4.43.
2531
2532I have left the 4.50 change log unchanged; it contains all the changes since
25334.43. The change log for 4.44 is below; many of its items are identical to
2534those for 4.50. This seems to be the most sensible way to preserve the
2535historical information.
2536
2537
f7b63901 2538Exim version 4.50
495ae4b0
PH
2539-----------------
2540
5fe762f6
PH
2541 1. Minor wording change to the doc/README.SIEVE file.
2542
139059f6 2543 2. Change 4.43/35 introduced a bug: if quota_filecount was set, the
5fe762f6 2544 computation of the current number of files was incorrect.
495ae4b0 2545
7086e875
PH
2546 3. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2547 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2548 place.
2549
35af9f61
PH
2550 4. Give more explanation in the error message when the command for a transport
2551 filter fails to execute.
2552
b668c215
PH
2553 5. There are several places where Exim runs a non-Exim command in a
2554 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2555 was being done only for the command run by the queryprogram router. It is
2556 now done for all such subprocesses. The other cases are: ${run, transport
2557 filters, and the commands run by the lmtp and pipe transports.
2558
a494b1e1
PH
2559 6. Added CONFIGURE_GROUP build-time option.
2560
2561 7. Some older OS have a limit of 256 on the maximum number of file
2562 descriptors. Exim was using setrlimit() to set 1000 as a large value
2563 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2564 systems. I've change it so that if it can't get 1000, it tries for 256.
35edf2ff 2565
c5fcb476
PH
2566 8. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2567 was an oversight, and furthermore, ever since the addition of extra
2568 controls (e.g. 4.43/32), the checks on when to allow different forms of
2569 "control" were broken. There should now be diagnostics for all cases when a
2570 control that does not make sense is encountered.
2571
69358f02
PH
2572 9. Added the /retain_sender option to "control=submission".
2573
5be20824
PH
257410. $recipients is now available in the predata ACL (oversight).
2575
eb2c0248
PH
257611. Tidy the search cache before the fork to do a delivery from a message
2577 received from the command line. Otherwise the child will trigger a lookup
2578 failure and thereby defer the delivery if it tries to use (for example) a
2579 cached ldap connection that the parent has called unbind on.
2580
2a3eea10
PH
258112. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2582 of $address_data from the recipient verification was clobbered by the
2583 sender verification.
2584
258513. The value of address_data from a sender verification is now available in
2586 $sender_address_data in subsequent conditions in the ACL statement.
2587
23c7ff99
PH
258814. Added forbid_sieve_filter and forbid_exim_filter to the redirect router.
2589
4deaf07d
PH
259015. Added a new option "connect=<time>" to callout options, to set a different
2591 connection timeout.
2592
926e1192
PH
259316. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2594 was its contents. (It was OK if the option was not defined at all.)
2595
650edc6f
PH
259617. A "Completed" log line is now written for messages that are removed from
2597 the spool by the -Mrm option.
2598
2c7db3f5
PH
259918. New variables $sender_verify_failure and $recipient_verify_failure contain
2600 information about exactly what failed.
2601
3d235903
PH
260219. Added -dd to debug only the daemon process.
2603
7c7ad977
PH
260420. Incorporated Michael Haardt's patch to ldap.c for improving the way it
2605 handles timeouts, both on the server side and network timeouts. Renamed the
2606 CONNECT parameter as NETTIMEOUT (but kept the old name for compatibility).
2607
981756db
PH
260821. The rare case of EHLO->STARTTLS->HELO was setting the protocol to "smtp".
2609 It is now set to "smtps".
2610
d4eb88df
PH
261122. $host_address is now set to the target address during the checking of
2612 ignore_target_hosts.
2613
261423. When checking ignore_target_hosts for an ipliteral router, no host name was
2615 being passed; this would have caused $sender_host_name to have been used if
2616 matching the list had actually called for a host name (not very likely,
2617 since this list is usually IP addresses). A host name is now passed as
2618 "[x.x.x.x]".
2619
7d468ab8
PH
262024. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2621 code that specifies a non-restarting handler (typically sigaction() in
2622 modern systems) in an attempt to fix a rare and obscure crash bug.
2623
262425. Narrowed the window for a race in the daemon that could cause it to ignore
2625 SIGCHLD signals. This is not a major problem, because they are used only to
2626 wake it up if nothing else does.
2627
62c0818f
PH
262826. A malformed maildirsize file could cause Exim to calculate negative values
2629 for the mailbox size or file count. Odd effects could occur as a result.
2630 The maildirsize information is now recalculated if the size or filecount
2631 end up negative.
2632
26034054
PH
263327. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2634 support for a long time. Removed HAVE_SYS_VFS_H.
2635
af66f652
PH
263628. Installed the latest version of exipick from John Jetmore.
2637
90af77f4
PH
263829. In an address list, if the pattern was not a regular expression, an empty
2639 subject address (from a bounce message) matched only if the pattern was an
2640 empty string. Non-empty patterns were not even tested. This was the wrong
2641 because it is perfectly reasonable to use an empty address as part of a
2642 database query. An empty address is now tested by patterns that are
2643 lookups. However, all the other forms of pattern expect the subject to
2644 contain a local part and a domain, and therefore, for them, an empty
2645 address still always fails if the pattern is not itself empty.
2646
d8ef3577
PH
264730. Exim went into a mad DNS loop when attempting to do a callout where the
2648 host was specified on an smtp transport, and looking it up yielded more
2649 than one IP address.
2650
5cb8cbc6
PH
265131. Re-factored the code for checking spool and log partition space into a
2652 function that finds that data and another that does the check. The former
2653 is then used to implement four new variables: $spool_space, $log_space,
2654 $spool_inodes, and $log_inodes.
2655
14702f5b
PH
265632. The RFC2047 encoding function was originally intended for short strings
2657 such as real names; it was not keeping to the 75-character limit for
2658 encoded words that the RFC imposes. It now respects the limit, and
2659 generates multiple encoded words if necessary. To be on the safe side, I
2660 have increased the buffer size for the ${rfc2047: expansion operator from
2661 1024 to 2048 bytes.
2662
063b1e99
PH
266333. It is now permitted to omit both strings after an "if" condition; if the
2664 condition is true, the result is "true". As before, when the second string
2665 is omitted, a false condition yields an empty string. This makes it less
2666 cumbersome to write custom ACL and router conditions.
2667
652e1b65
PH
266834. Failure to deliver a bounce message always caused it to be frozen, even if
2669 there was an errors_to setting on the router. The errors_to setting is now
2670 respected.
2671
6f0c9a4f
PH
267235. If an IPv6 address is given for -bh or -bhc, it is now converted to the
2673 canonical form (fully expanded) before being placed in
2674 $sender_host_address.
2675
33397d19
PH
267636. The table in the code that translates DNS record types into text (T_A to
2677 "A" for instance) was missing entries for NS and CNAME. It is just possible
2678 that this could have caused confusion if both these types were looked up
2679 for the same domain, because the text type is used as part of Exim's
2680 per-process caching. But the chance of anyone hitting this buglet seems
2681 very small.
2682
7bb56e1f
PH
268337. The dnsdb lookup has been extended in a number of ways.
2684
2685 (1) There is a new type, "zns", which walks up the domain tree until it
2686 finds some nameserver records. It should be used with care.
2687
ea3bc19b
PH
2688 (2) There is a new type, "mxh", which is like "mx" except that it returns
2689 just the host names, not the priorities.
2690
2691 (3) It is now possible to give a list of domains (or IP addresses) to be
ff4dbb19
PH
2692 looked up. The behaviour when one of the lookups defers can be
2693 controlled by a keyword.
7bb56e1f 2694
ea3bc19b 2695 (4) It is now possible to specify the separator character for use when
7bb56e1f 2696 multiple records are returned.
33397d19 2697
0bcb2a0e
PH
269838. The dnslists ACL condition has been extended: it is now possible to supply
2699 a list of IP addresses and/or domains to be looked up in a particular DNS
2700 domain.
2701
2ac0e484
PH
270239. Added log_selector=+queue_time_overall.
2703
4e1fde53
PH
270440. When running the queue in the test harness, wait just a tad after forking a
2705 delivery process, to get repeatability of debugging output.
2706
de365ded
PH
270741. Include certificate and key file names in error message when GnuTLS fails
2708 to set them up, because the GnuTLS error message doesn't include the name
2709 of the failing file when there is a problem reading it.
2710
f05da2e8
PH
271142. Allow both -bf and -bF in the same test run.
2712
d6453af2
PH
271343. Did the same fix as 41 above for OpenSSL, which had the same infelicity.
2714
f7b63901
PH
271544. The "Exiscan patch" is now merged into the mainline Exim source.
2716
271745. Sometimes the final signoff response after QUIT could fail to get
2718 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
2719 < 0 before doing a fflush(). This bug looks as though it goes back to the
2720 introduction of TLS in release 3.20, but "sometimes" must have been rare
2721 because the tests only now provoked it.
2722
a444213a
PH
272346. Reset the locale to "C" after calling embedded Perl, in case it was changed
2724 (this can affect the format of dates).
2725
0ec020ea
PH
272647. exim_tidydb, when checking for the continued existence of a message for
2727 which it has found a message-specific retry record, was not finding
2728 messages that were in split spool directories. Consequently, it was
2729 deleting retry records that should have stayed in existence.
2730
b1206957
PH
273148. Steve fixed some bugs in eximstats.
2732
273349. The SPA authentication driver was not abandoning authentication and moving
2734 on to the next authenticator when an expansion was forced to fail,
2735 contradicting the general specification for all authenticators. Instead it
2736 was generating a temporary error. It now behaves as specified.
2737
26dd5a95
PH
273850. The default ordering of permitted cipher suites for GnuTLS was pessimal
2739 (the order specifies the preference for clients). The order is now AES256,
2740 AES128, 3DES, ARCFOUR128.
2741
343b2385
PH
274251. Small patch to Sieve code - explicitly set From: when generating an
2743 autoreply.
2744
1c5466b9
PH
274552. Exim crashed if a remote delivery caused a very long error message to be
2746 recorded - for instance if somebody sent an entire SpamAssassin report back
2747 as a large number of 550 error lines. This bug was coincidentally fixed by
2748 increasing the size of one of Exim's internal buffers (big_buffer) that
2749 happened as part of the Exiscan merge. However, to be on the safe side, I
2750 have made the code more robust (and fixed the comments that describe what
2751 is going on).
2752
55ee9ee3
PH
275353. Now that there can be additional text after "Completed" in log lines (if
2754 the queue_time_overall log selector is set), a one-byte patch to exigrep
2755 was needed to allow it to recognize "Completed" as not the last thing in
2756 the line.
2757
d38f8232
PH
275854. The LDAP lookup was not handling a return of LDAP_RES_SEARCH_REFERENCE. A
2759 patch that reportedly fixes this has been added. I am not expert enough to
2760 create a test for it. This is what the patch creator wrote:
2761
2762 "I found a little strange behaviour of ldap code when working with
2763 Windows 2003 AD Domain, where users was placed in more than one
2764 Organization Units. When I tried to give exim partial DN, the exit code
2765 of ldap_search was unknown to exim because of LDAP_RES_SEARCH_REFERENCE.
2766 But simultaneously result of request was absolutely normal ldap result,
2767 so I produce this patch..."
2768
3295e65b
PH
2769 Later: it seems that not all versions of LDAP support LDAP_RES_SEARCH_
2770 REFERENCE, so I have modified the code to exclude the patch when that macro
2771 is not defined.
2772
7102e136
PH
277355. Some experimental protocols are using DNS PTR records for new purposes. The
2774 keys for these records are domain names, not reversed IP addresses. The
b975ba52
PH
2775 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
2776 leaves it alone. Component reversal etc. now happens only for IP addresses.
ea3a6f44 2777 CAN-2005-0021
7102e136 2778
3ca0ba97
PH
277956. Improve error message when ldap_search() fails in OpenLDAP or Solaris LDAP.
2780
c2bcbe20
PH
278157. Double the size of the debug message buffer (to 2048) so that more of very
2782 long debug lines gets shown.
2783
18ce445d
PH
278458. The exicyclog utility now does better if the number of log files to keep
2785 exceeds 99. In this case, it numbers them 001, 002 ... instead of 01, 02...
2786
1f5b4c3d
PH
278759. Two changes related to the smtp_active_hostname option:
2788
2789 (1) $smtp_active_hostname is now available as a variable.
2790 (2) The default for smtp_banner uses $smtp_active_hostname instead
2791 of $primary_hostname.
2792
b975ba52
PH
279360. The host_aton() function is supposed to be passed a string that is known
2794 to be a valid IP address. However, in the case of IPv6 addresses, it was
2795 not checking this. This is a hostage to fortune. Exim now panics and dies
2796 if the condition is not met. A case was found where this could be provoked
85b87bc2
PH
2797 from a dnsdb PTR lookup with an IPv6 address that had more than 8
2798 components; fortuitously, this particular loophole had already been fixed
2799 by change 4.50/55 above.
2800
2801 If there are any other similar loopholes, the new check in host_aton()
2802 itself should stop them being exploited. The report I received stated that
2803 data on the command line could provoke the exploit when Exim was running as
2804 exim, but did not say which command line option was involved. All I could
2805 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
2806 running as the user.
ea3a6f44 2807 CAN-2005-0021
85b87bc2
PH
2808
280961. There was a buffer overflow vulnerability in the SPA authentication code
2810 (which came originally from the Samba project). I have added a test to the
2811 spa_base64_to_bits() function which I hope fixes it.
ea3a6f44 2812 CAN-2005-0022
b975ba52 2813
17ffcae7
PH
281462. Configuration update for GNU/Hurd and variations. Updated Makefile-GNU and
2815 os.h-GNU, and added configuration files for GNUkFreeBSD and GNUkNetBSD.
2816
d95f9fdb
PH
281763. The daemon start-up calls getloadavg() while still root for those OS that
2818 need the first call to be done as root, but it missed one case: when
2819 deliver_queue_load_max is set with deliver_drop_privilege. This is
2820 necessary for the benefit of the queue runner, because there is no re-exec
2821 when deliver_drop_privilege is set.
2822
86b8287f
PH
282364. A call to exiwhat cut short delays set up by "delay" modifiers in ACLs.
2824 This has been fixed.
2825
60dc5e56
PH
282665. Caching of lookup data for "hosts =" ACL conditions, when a named host list
2827 was in use, was not putting the data itself into the right store pool;
2828 consequently, it could be overwritten for a subsequent message in the same
2829 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
2830 the caching.)
2831
533244af
PH
283266. Added hosts_max_try_hardlimit to the smtp transport, default 50.
2833
a5a28604
PH
283467. The string_is_ip_address() function returns 0, 4, or 6, for "no an IP
2835 address", "IPv4 address", and "IPv6 address", respectively. Some calls of
2836 the function were treating the return as a boolean value, which happened to
2837 work because 0=false and not-0=true, but is not correct code.
2838
7e634d24
PH
283968. The host_aton() function was not handling scoped IPv6 addresses (those
2840 with, for example, "%eth0" on the end) correctly.
2841
3e11c26b
PH
284269. Fixed some compiler warnings in acl.c for the bitmaps specified with
2843 negated items (that is, ~something) in unsigned ints. Some compilers
2844 apparently mutter when there is no cast.
2845
6729cf78
PH
284670. If an address verification called from an ACL failed, and did not produce a
2847 user-specific message (i.e. there was only a "system" message), nothing was
2848 put in $acl_verify_message. In this situation, it now puts the system
2849 message there.
2850
00f00ca5
PH
285171. Change 4.23/11 added synchronization checking at the start of an SMTP
2852 session; change 4.31/43 added the unwanted input to the log line - except
2853 that it did not do this in the start of session case. It now does.
2854
c9bdd01c
PH
285572. After a timeout in a callout SMTP session, Exim still sent a QUIT command.
2856 This is wrong and can cause the other end to generate a synchronization
2857 error if it is another Exim or anything else that does the synchronization
2858 check. A QUIT command is no longer sent after a timeout.
2859
d43194df
PH
286073. $host_lookup_deferred has been added, to make it easier to detect DEFERs
2861 during host lookups.
2862
fe5b5d0b
PH
286374. The defer_ok option of callout verification was not working if it was used
2864 when verifying addresses in header lines, that is, for this case:
2865
2866 verify = header_sender/callout=defer_ok
2867
76a2d7ba
PH
286875. A backgrounded daemon closed stdin/stdout/stderr on entry; this meant that
2869 those file descriptors could be used for SMTP connections. If anything
2870 wrote to stderr (the example that came up was "warn" in embedded Perl), it
2871 could be sent to the SMTP client, causing chaos. The daemon now opens
2872 stdin, stdout, and stderr to /dev/null when it puts itself into the
2873 background.
2874
287576. Arrange for output from Perl's "warn" command to be written to Exim's main
2876 log by default. The user can override this with suitable Perl magic.
2877
04f7d5b9
PH
287877. The use of log_message on a "discard" ACL verb, which is supposed to add to
2879 the log message when discard triggers, was not working for the DATA ACL or
2880 for the non-SMTP ACL.
2881
bc60667e
PH
288278. Error message wording change in sieve.c.
2883
bb6e88ff
PH
288479. If smtp_accept_max_per_host was set, the number of connections could be
2885 restricted to fewer than expected, because the daemon was trying to set up
2886 a new connection before checking whether the processes handling previous
2887 connections had finished. The check for completed processes is now done
2888 earlier. On busy systems, this bug wouldn't be noticed because something
2889 else would have woken the daemon, and it would have reaped the completed
2890 process earlier.
2891
1e70f85b
PH
289280. If a message was submitted locally by a user whose login name contained one
2893 or more spaces (ugh!), the spool file that Exim wrote was not re-readable.
2894 It caused a spool format error. I have fixed the spool reading code. A
2895 related problem was that the "from" clause in the Received: line became
2896 illegal because of the space(s). It is now covered by ${quote_local_part.
2897
289881. Included the latest eximstats from Steve (adds average sizes to HTML Top
2899 tables).
2900
4e01f9d6
PH
290182. Updated OS/Makefile-AIX as per message from Mike Meredith.
2902
1ee1cef2
PH
290383. Patch from Sieve maintainer to fix unterminated string problem in
2904 "vacation" handling.
2905
6e2b4ccc
PH
290684. Some minor changes to the Linux configuration files to help with other
2907 OS variants using glibc.
2908
8e669ac1
PH
290985. One more patch for Sieve to update vacation handling to latest spec.
2910
495ae4b0 2911
bbe902f0
PH
2912----------------------------------------------------
2913See the note above about the 4.44 and 4.50 releases.
2914----------------------------------------------------
2915
2916
2917Exim version 4.44
2918-----------------
2919
2920 1. Change 4.43/35 introduced a bug that caused file counts to be
2921 incorrectly computed when quota_filecount was set in an appendfile
2922 transport
2923
2924 2. Closing a stable door: arrange to panic-die if setitimer() ever fails. The
2925 bug fixed in 4.43/37 would have been diagnosed quickly if this had been in
2926 place.
2927
2928 3. Give more explanation in the error message when the command for a transport
2929 filter fails to execute.
2930
2931 4. There are several places where Exim runs a non-Exim command in a
2932 subprocess. The SIGUSR1 signal should be disabled for these processes. This
2933 was being done only for the command run by the queryprogram router. It is
2934 now done for all such subprocesses. The other cases are: ${run, transport
2935 filters, and the commands run by the lmtp and pipe transports.
2936
2937 5. Some older OS have a limit of 256 on the maximum number of file
2938 descriptors. Exim was using setrlimit() to set 1000 as a large value
2939 unlikely to be exceeded. Change 4.43/17 caused a lot of logging on these
2940 systems. I've change it so that if it can't get 1000, it tries for 256.
2941
2942 6. "control=submission" was allowed, but had no effect, in a DATA ACL. This
2943 was an oversight, and furthermore, ever since the addition of extra
2944 controls (e.g. 4.43/32), the checks on when to allow different forms of
2945 "control" were broken. There should now be diagnostics for all cases when a
2946 control that does not make sense is encountered.
2947
2948 7. $recipients is now available in the predata ACL (oversight).
2949
2950 8. Tidy the search cache before the fork to do a delivery from a message
2951 received from the command line. Otherwise the child will trigger a lookup
2952 failure and thereby defer the delivery if it tries to use (for example) a
2953 cached ldap connection that the parent has called unbind on.
2954
2955 9. If verify=recipient was followed by verify=sender in a RCPT ACL, the value
2956 of $address_data from the recipient verification was clobbered by the
2957 sender verification.
2958
295910. If FIXED_NEVER_USERS was defined, but empty, Exim was assuming the uid 0
2960 was its contents. (It was OK if the option was not defined at all.)
2961
296211. A "Completed" log line is now written for messages that are removed from
2963 the spool by the -Mrm option.
2964
296512. $host_address is now set to the target address during the checking of
2966 ignore_target_hosts.
2967
296813. When checking ignore_target_hosts for an ipliteral router, no host name was
2969 being passed; this would have caused $sender_host_name to have been used if
2970 matching the list had actually called for a host name (not very likely,
2971 since this list is usually IP addresses). A host name is now passed as
2972 "[x.x.x.x]".
2973
297414. Changed the calls that set up the SIGCHLD handler in the daemon to use the
2975 code that specifies a non-restarting handler (typically sigaction() in
2976 modern systems) in an attempt to fix a rare and obscure crash bug.
2977
297815. Narrowed the window for a race in the daemon that could cause it to ignore
2979 SIGCHLD signals. This is not a major problem, because they are used only to
2980 wake it up if nothing else does.
2981
298216. A malformed maildirsize file could cause Exim to calculate negative values
2983 for the mailbox size or file count. Odd effects could occur as a result.
2984 The maildirsize information is now recalculated if the size or filecount
2985 end up negative.
2986
298717. Added HAVE_SYS_STATVFS_H to the os.h file for Linux, as it has had this
2988 support for a long time. Removed HAVE_SYS_VFS_H.
2989
ea3a6f44 299018. Updated exipick to current release from John Jetmore.
bbe902f0
PH
2991
299219. Allow an empty sender to be matched against a lookup in an address list.
2993 Previously the only cases considered were a regular expression, or an
2994 empty pattern.
2995
299620. Exim went into a mad DNS lookup loop when doing a callout where the
2997 host was specified on the transport, if the DNS lookup yielded more than
2998 one IP address.
2999
ea3a6f44
NM
300021. The RFC2047 encoding function was originally intended for short strings
3001 such as real names; it was not keeping to the 75-character limit for
3002 encoded words that the RFC imposes. It now respects the limit, and
3003 generates multiple encoded words if necessary. To be on the safe side, I
3004 have increased the buffer size for the ${rfc2047: expansion operator from
3005 1024 to 2048 bytes.
bbe902f0 3006
ea3a6f44
NM
300722. Failure to deliver a bounce message always caused it to be frozen, even if
3008 there was an errors_to setting on the router. The errors_to setting is now
3009 respected.
bbe902f0
PH
3010
301123. If an IPv6 address is given for -bh or -bhc, it is now converted to the
3012 canonical form (fully expanded) before being placed in
3013 $sender_host_address.
3014
301524. Updated eximstats to version 1.33
3016
ea3a6f44
NM
301725. Include certificate and key file names in error message when GnuTLS fails
3018 to set them up, because the GnuTLS error message doesn't include the name
3019 of the failing file when there is a problem reading it.
bbe902f0
PH
3020
302126. Expand error message when OpenSSL has problems setting up cert/key files.
ea3a6f44 3022 As per change 25.
bbe902f0 3023
ea3a6f44
NM
302427. Reset the locale to "C" after calling embedded Perl, in case it was changed
3025 (this can affect the format of dates).
bbe902f0 3026
ea3a6f44
NM
302728. exim_tidydb, when checking for the continued existence of a message for
3028 which it has found a message-specific retry record, was not finding
3029 messages that were in split spool directories. Consequently, it was
3030 deleting retry records that should have stayed in existence.
bbe902f0
PH
3031
303229. eximstats updated to version 1.35
3033 1.34 - allow eximstats to parse syslog lines as well as mainlog lines
3034 1.35 - bugfix such that pie charts by volume are generated correctly
3035
ea3a6f44
NM
303630. The SPA authentication driver was not abandoning authentication and moving
3037 on to the next authenticator when an expansion was forced to fail,
3038 contradicting the general specification for all authenticators. Instead it
3039 was generating a temporary error. It now behaves as specified.
bbe902f0 3040
ea3a6f44
NM
304131. The default ordering of permitted cipher suites for GnuTLS was pessimal
3042 (the order specifies the preference for clients). The order is now AES256,
3043 AES128, 3DES, ARCFOUR128.
bbe902f0 3044
ea3a6f44
NM
304531. Small patch to Sieve code - explicitly set From: when generating an
3046 autoreply.
bbe902f0 3047
ea3a6f44
NM
304832. Exim crashed if a remote delivery caused a very long error message to be
3049 recorded - for instance if somebody sent an entire SpamAssassin report back
3050 as a large number of 550 error lines. This bug was coincidentally fixed by
3051 increasing the size of one of Exim's internal buffers (big_buffer) that
3052 happened as part of the Exiscan merge. However, to be on the safe side, I
3053 have made the code more robust (and fixed the comments that describe what
3054 is going on).
bbe902f0 3055
ea3a6f44
NM
305633. Some experimental protocols are using DNS PTR records for new purposes. The
3057 keys for these records are domain names, not reversed IP addresses. The
3058 dnsdb PTR lookup now tests whether its key is an IP address. If not, it
3059 leaves it alone. Component reversal etc. now happens only for IP addresses.
bbe902f0
PH
3060 CAN-2005-0021
3061
ea3a6f44
NM
306234. The host_aton() function is supposed to be passed a string that is known
3063 to be a valid IP address. However, in the case of IPv6 addresses, it was
3064 not checking this. This is a hostage to fortune. Exim now panics and dies
3065 if the condition is not met. A case was found where this could be provoked
3066 from a dnsdb PTR lookup with an IPv6 address that had more than 8
3067 components; fortuitously, this particular loophole had already been fixed
3068 by change 4.50/55 or 4.44/33 above.
3069
3070 If there are any other similar loopholes, the new check in host_aton()
3071 itself should stop them being exploited. The report I received stated that
3072 data on the command line could provoke the exploit when Exim was running as
3073 exim, but did not say which command line option was involved. All I could
3074 find was the use of -be with a bad dnsdb PTR lookup, and in that case it is
3075 running as the user.
bbe902f0
PH
3076 CAN-2005-0021
3077
ea3a6f44
NM
307835. There was a buffer overflow vulnerability in the SPA authentication code
3079 (which came originally from the Samba project). I have added a test to the
3080 spa_base64_to_bits() function which I hope fixes it.
bbe902f0
PH
3081 CAN-2005-0022
3082
ea3a6f44
NM
308336. The daemon start-up calls getloadavg() while still root for those OS that
3084 need the first call to be done as root, but it missed one case: when
3085 deliver_queue_load_max is set with deliver_drop_privilege. This is
3086 necessary for the benefit of the queue runner, because there is no re-exec
3087 when deliver_drop_privilege is set.
bbe902f0 3088
ea3a6f44
NM
308937. Caching of lookup data for "hosts =" ACL conditions, when a named host list
3090 was in use, was not putting the data itself into the right store pool;
3091 consequently, it could be overwritten for a subsequent message in the same
3092 SMTP connection. (Fix 4.40/11 dealt with the non-cache case, but overlooked
3093 the caching.)
bbe902f0 3094
ea3a6f44
NM
309538. Sometimes the final signoff response after QUIT could fail to get
3096 transmitted in the non-TLS case. Testing !tls_active instead of tls_active
3097 < 0 before doing a fflush(). This bug looks as though it goes back to the
3098 introduction of TLS in release 3.20, but "sometimes" must have been rare
3099 because the tests only now provoked it.
bbe902f0
PH
3100
3101
495ae4b0
PH
3102Exim version 4.43
3103-----------------
3104
3105 1. Fixed a longstanding but relatively impotent bug: a long time ago, before
3106 PIPELINING, the function smtp_write_command() used to return TRUE or FALSE.
3107 Now it returns an integer. A number of calls were still expecting a T/F
3108 return. Fortuitously, in all cases, the tests worked in OK situations,
3109 which is the norm. However, things would have gone wrong on any write
3110 failures on the smtp file descriptor. This function is used when sending
3111 messages over SMTP and also when doing verify callouts.
3112
3113 2. When Exim is called to do synchronous delivery of a locally submitted
3114 message (the -odf or -odi options), it no longer closes stderr before doing
3115 the delivery.
3116
3117 3. Implemented the mua_wrapper option.
3118
3119 4. Implemented mx_fail_domains and srv_fail_domains for the dnslookup router.
3120
3121 5. Implemented the functions header_remove(), header_testname(),
3122 header_add_at_position(), and receive_remove_recipient(), and exported them
3123 to local_scan().
3124
3125 6. If an ACL "warn" statement specified the addition of headers, Exim already
3126 inserted X-ACL-Warn: at the start if there was no header name. However, it
3127 was not making this test for the second and subsequent header lines if
3128 there were newlines in the string. This meant that an invalid header could
3129 be inserted if Exim was badly configured.
3130
3131 7. Allow an ACL "warn" statement to add header lines at the start or after all
3132 the Received: headers, as well as at the end.
3133
3134 8. Added the rcpt_4xx retry error code.
3135
3136 9. Added postmaster_mailfrom=xxx to callout verification option.
3137
313810. Added mailfrom=xxxx to the callout verification option, for verify=
3139 header_sender only.
3140
314111. ${substr_1_:xxxx} and ${substr__3:xxxx} are now diagnosed as syntax errors
3142 (they previously behaved as ${substr_1_0:xxxx} and ${substr:_0_3:xxxx}).
3143
314412. Inserted some casts to stop certain compilers warning when using pointer
3145 differences as field lengths or precisions in printf-type calls (mostly
3146 affecting debugging statements).
3147
314813. Added optional readline() support for -be (dynamically loaded).
3149
315014. Obscure bug fix: if a message error (e.g. 4xx to MAIL) happened within the
3151 same clock tick as a message's arrival, so that its received time was the
3152 same as the "first fail" time on the retry record, and that message
3153 remained on the queue past the ultimate address timeout, every queue runner
3154 would try a delivery (because it was past the ultimate address timeout) but
3155 after another failure, the ultimate address timeout, which should have then
3156 bounced the address, did not kick in. This was a "< instead of <=" error;
3157 in most cases the first failure would have been in the next clock tick
3158 after the received time, and all would be well.
3159
316015. The special items beginning with @ in domain lists (e.g. @mx_any) were not
3161 being recognized when the domain list was tested by the match_domain
3162 condition in an expansion string.
3163
316416. Added the ${str2b64: operator.
3165
316617. Exim was always calling setrlimit() to set a large limit for the number of
3167 processes, without checking whether the existing limit was already
3168 adequate. (It did check for the limit on file descriptors.) Furthermore,
3169 errors from getrlimit() and setrlimit() were being ignored. Now they are
3170 logged to the main and panic logs, but Exim does carry on, to try to do its
3171 job under whatever limits there are.
3172
317318. Imported PCRE 5.0.
3174
317519. Trivial typo in log message " temporarily refused connection" (the leading
3176 space).
3177
317820. If the log selector return_path_on_delivery was set and an address was
3179 redirected to /dev/null, the delivery process crashed because it assumed
3180 that a return path would always be set for a "successful" delivery. In this
3181 case, the whole delivery is bypassed as an optimization, and therefore no
3182 return path is set.
3183
318421. Internal re-arrangement: the function for sending a challenge and reading
3185 a response while authentication was assuming a zero-terminated challenge
3186 string. It's now changed to take a pointer and a length, to allow for
3187 binary data in such strings.
3188
318922. Added the cyrus_sasl authenticator (code supplied by MBM).
3190
319123. Exim was not respecting finduser_retries when seeking the login of the
3192 uid under which it was called; it was always trying 10 times. (The default
3193 setting of finduser_retries is zero.) Also, it was sleeping after the final
3194 failure, which is pointless.
3195
319624. Implemented tls_on_connect_ports.
3197
319825. Implemented acl_smtp_predata.
3199
320026. If the domain in control=submission is set empty, Exim assumes that the
3201 authenticated id is a complete email address when it generates From: or
3202 Sender: header lines.
3203
320427. Added "#define SOCKLEN_T int" to OS/os.h-SCO and OS/os.h-SCO_SV. Also added
3205 definitions to OS/Makefile-SCO and OS/Makefile-SCO_SV that put basename,
3206 chown and chgrp in /bin and hostname in /usr/bin.
3207
320828. Exim was keeping the "process log" file open after each use, just as it
3209 does for the main log. This opens the possibility of it remaining open for
3210 long periods when the USR1 signal hits a daemon. Occasional processlog
3211 errors were reported, that could have been caused by this. Anyway, it seems
3212 much more sensible not to leave this file open at all, so that is what now
3213 happens.
3214
321529. The long-running daemon process does not normally write to the log once it
3216 has entered its main loop, and it closes the log before doing so. This is
3217 so that log files can straightforwardly be renamed and moved. However,
3218 there are a couple of unusual error situations where the daemon does write
3219 log entries, and I had neglected to close the log afterwards.
3220
322130. The text of an SMTP error response that was received during a remote
3222 delivery was being truncated at 512 bytes. This is too short for some of
3223 the long messages that one sometimes sees. I've increased the limit to
3224 1024.
3225
322631. It is now possible to make retry rules that apply only when a message has a
3227 specific sender, in particular, an empty sender.
3228
322932. Added "control = enforce_sync" and "control = no_enforce_sync". This makes
3230 it possible to be selective about when SMTP synchronization is enforced.
3231
323233. Added "control = caseful_local_part" and "control = "caselower_local_part".
3233
323432. Implemented hosts_connection_nolog.
3235
323633. Added an ACL for QUIT.
3237
323834. Setting "delay_warning=" to disable warnings was not working; it gave a
3239 syntax error.
3240
324135. Added mailbox_size and mailbox_filecount to appendfile.
3242
324336. Added control = no_multiline_responses to ACLs.
3244
324537. There was a bug in the logic of the code that waits for the clock to tick
3246 in the case where the clock went backwards by a substantial amount such
3247 that the microsecond fraction of "now" was more than the microsecond
3248 fraction of "then" (but the whole seconds number was less).
3249
325038. Added support for the libradius Radius client library this is found on
3251 FreeBSD (previously only the radiusclient library was supported).
3252
3253
3254Exim version 4.42
3255-----------------
3256
3257 1. When certain lookups returned multiple values in the form name=value, the
3258 quoting of the values was not always being done properly. Specifically:
3259 (a) If the value started with a double quote, but contained no whitespace,
3260 it was not quoted.
3261 (b) If the value contained whitespace other than a space character (i.e.
3262 tabs or newlines or carriage returns) it was not quoted.
3263 This fix has been applied to the mysql and pgsql lookups by writing a
3264 separate quoting function and calling it from the lookup code. The fix
3265 should probably also be applied to nisplus, ibase and oracle lookups, but
3266 since I cannot test any of those, I have not disturbed their existing code.
3267
3268 2. A hit in the callout cache for a specific address caused a log line with no
3269 reason for rejecting RCPT. Now it says "Previous (cached) callout
3270 verification failure".
3271
3272 3. There was an off-by-one bug in the queryprogram router. An over-long
3273 return line was truncated at 256 instead of 255 characters, thereby
3274 overflowing its buffer with the terminating zero. As well as fixing this, I
3275 have increased the buffer size to 1024 (and made a note to document this).
3276
3277 4. If an interrupt, such as the USR1 signal that is send by exiwhat, arrives
3278 when Exim is waiting for an SMTP response from a remote server, Exim
3279 restarts its select() call on the socket, thereby resetting its timeout.
3280 This is not a problem when such interrupts are rare. Somebody set up a cron
3281 job to run exiwhat every 2 minutes, which is less than the normal select()
3282 timeout (5 or 10 minutes). This meant that the select() timeout never
3283 kicked in because it was always reset. I have fixed this by comparing the
3284 time when an interrupt arrives with the time at the start of the first call
3285 to select(). If more time than the timeout has elapsed, the interrupt is
3286 treated as a timeout.
3287
3288 5. Some internal re-factoring in preparation for the addition of Sieve
3289 extensions (by MH). In particular, the "personal" test is moved to a
3290 separate function, and given an option for scanning Cc: and Bcc: (which is
3291 not set for Exim filters).
3292
3293 6. When Exim created an email address using the login of the caller as the
3294 local part (e.g. when creating a From: or Sender: header line), it was not
3295 quoting the local part when it contained special characters such as @.
3296
3297 7. Installed new OpenBSD configuration files.
3298
3299 8. Reworded some messages for syntax errors in "and" and "or" conditions to
3300 try to make them clearer.
3301
3302 9. Callout options, other than the timeout value, were being ignored when
3303 verifying sender addresses in header lines. For example, when using
3304
3305 verify = header_sender/callout=no_cache
3306
3307 the cache was (incorrectly) being used.
3308
330910. Added a missing instance of ${EXE} to the exim_install script; this affects
3310 only the Cygwin environment.
3311
331211. When return_path_on_delivery was set as a log selector, if different remote
3313 addresses in the same message used different return paths and parallel
3314 remote delivery occurred, the wrong values would sometimes be logged.
3315 (Whenever a remote delivery process finished, the return path value from
3316 the most recently started remote delivery process was logged.)
3317
331812. RFC 3848 specifies standard names for the "with" phrase in Received: header
3319 lines when AUTH and/or TLS are in use. This is the "received protocol"
3320 field. Exim used to use "asmtp" for authenticated SMTP, without any
3321 indication (in the protocol name) for TLS use. Now it follows the RFC and
3322 uses "esmtpa" if the connection is authenticated, "esmtps" if it is
3323 encrypted, and "esmtpsa" if it is both encrypted and authenticated. These
3324 names appear in log lines as well as in Received: header lines.
3325
332613. Installed MH's patches for Sieve to add the "copy" and "vacation"
3327 extensions, and comparison tests, and to fix some bugs.
3328
332914. Changes to the "personal" filter test:
3330
3331 (1) The test was buggy in that it was just doing the equivalent of
3332 "contains" tests on header lines. For example, if a user's address was
3333 anne@some.where, the "personal" test would incorrectly be true for
3334
3335 To: susanne@some.where
3336
3337 This test is now done by extracting each address from the header in turn,
3338 and checking the entire address. Other tests that are part of "personal"
3339 are now done using regular expressions (for example, to check local parts
3340 of addresses in From: header lines).
3341
3342 (2) The list of non-personal local parts in From: addresses has been
3343 extended to include "listserv", "majordomo", "*-request", and "owner-*",
3344 taken from the Sieve specification recommendations.
3345
3346 (3) If the message contains any header line starting with "List-" it is
3347 treated as non-personal.
3348
3349 (4) The test for "circular" in the Subject: header line has been removed
3350 because it now seems ill-conceived.
3351
335215. Minor typos in src/EDITME comments corrected.
3353
335416. Installed latest exipick from John Jetmore.
3355
335617. If headers_add on a router specified a text string that was too long for
3357 string_sprintf() - that is, longer than 8192 bytes - Exim panicked. The use
3358 of string_sprintf() is now avoided.
3359
336018. $message_body_size was not set (it was always zero) when running the DATA
3361 ACL and the local_scan() function.
3362
336319. For the "mail" command in an Exim filter, no default was being set for
3364 the once_repeat time, causing a random time value to be used if "once" was
3365 specified. (If the value happened to be <= 0, no repeat happened.) The
3366 default is now 0s, meaning "never repeat". The "vacation" command was OK
3367 (its default is 7d). It's somewhat surprising nobody ever noticed this bug
3368 (I found it when inspecting the code).
3369
337020. There is now an overall timeout for performing a callout verification. It
3371 defaults to 4 times the callout timeout, which applies to individual SMTP
3372 commands during the callout. The overall timeout applies when there is more
3373 than one host that can be tried. The timeout is checked before trying the
3374 next host. This prevents very long delays if there are a large number of
3375 hosts and all are timing out (e.g. when the network connections are timing
3376 out). The value of the overall timeout can be changed by specifying an
3377 additional sub-option for "callout", called "maxwait". For example:
3378
3379 verify = sender/callout=5s,maxwait=20s
3380
338121. Add O_APPEND to the open() call for maildirsize files (Exim already seeks
3382 to the end before writing, but this should make it even safer).
3383
338422. Exim was forgetting that it had advertised PIPELINING for the second and
3385 subsequent messages on an SMTP connection. It was also not resetting its
3386 memory on STARTTLS and an internal HELO.
3387
338823. When Exim logs an SMTP synchronization error within a session, it now
3389 records whether PIPELINING has been advertised or not.
3390
339124. Added 3 instances of "(long int)" casts to time_t variables that were being
3392 formatted using %ld, because on OpenBSD (and perhaps others), time_t is int
3393 rather than long int.
3394
339525. Installed the latest Cygwin configuration files from the Cygwin maintainer.
3396
339726. Added the never_mail option to autoreply.
3398
3399
3400Exim version 4.41
3401-----------------
3402
3403 1. A reorganization of the code in order to implement 4.40/8 caused a daemon
3404 crash if the getsockname() call failed; this can happen if a connection is
3405 closed very soon after it is established. The problem was simply in the
3406 order in which certain operations were done, causing Exim to try to write
3407 to the SMTP stream before it had set up the file descriptor. The bug has
3408 been fixed by making things happen in the correct order.
3409
3410
3411Exim version 4.40
3412-----------------
3413
3414 1. If "drop" was used in a DATA ACL, the SMTP output buffer was not flushed
3415 before the connection was closed, thus losing the rejection response.
3416
3417 2. Commented out the definition of SOCKLEN_T in os.h-SunOS5. It is needed for
3418 some early Solaris releases, but causes trouble in current releases where
3419 socklen_t is defined.
3420
3421 3. When std{in,out,err} are closed, re-open them to /dev/null so that they
3422 always exist.
3423
3424 4. Minor refactoring of os.c-Linux to avoid compiler warning when IPv6 is not
3425 configured.
3426
3427 5. Refactoring in expand.c to improve memory usage. Pre-allocate a block so
3428 that releasing the top of it at the end releases what was used for sub-
3429 expansions (unless the block got too big). However, discard this block if
3430 the first thing is a variable or header, so that we can use its block when
3431 it is dynamic (useful for very large $message_headers, for example).
3432
3433 6. Lookups now cache *every* query, not just the most recent. A new, separate
3434 store pool is used for this. It can be recovered when all lookup caches are
3435 flushed. Lookups now release memory at the end of their result strings.
3436 This has involved some general refactoring of the lookup sources.
3437
3438 7. Some code has been added to the store_xxx() functions to reduce the amount
3439 of flapping under certain conditions.
3440
3441 8. log_incoming_interface used to affect only the <= reception log lines. Now
3442 it causes the local interface and port to be added to several more SMTP log
3443 lines, for example "SMTP connection from", and rejection lines.
3444
3445 9. The Sieve author supplied some patches for the doc/README.SIEVE file.
3446
344710. Added a conditional definition of _BSD_SOCKLEN_T to os.h-Darwin.
3448
344911. If $host_data was set by virtue of a hosts lookup in an ACL, its value
3450 could be overwritten at the end of the current message (or the start of a
3451 new message if it was set in a HELO ACL). The value is now preserved for
3452 the duration of the SMTP connection.