Fix memory leak during multi-message reception using STARTTLS
[exim.git] / doc / doc-txt / ChangeLog
CommitLineData
495ae4b0 1Change log file for Exim from version 4.21
f988ce57 2------------------------------------------
446415f5
HSHR
3This document describes *changes* to previous versions, that might
4affect Exim's operation, with an unchanged configuration file. For new
5options, and new features, see the NewStuff file next to this ChangeLog.
495ae4b0 6
4c57a40e 7
cf3cd306
HSHR
8Since Exim version 4.90
9-----------------------
459fca58
JH
10
11JH/01 Replace the store_release() internal interface with store_newblock(),
12 which internalises the check required to safely use the old one, plus
13 the allocate and data copy operations duplicated in both (!) of the
14 extant use locations.
15
944e8b37
JH
16JH/02 Disallow '/' characters in queue names specified for the "queue=" ACL
17 modifier. This matches the restriction on the commandline.
18
bbfb5dcd
JH
19JH/03 Fix pgsql lookup for multiple result-tuples with a single column.
20 Previously only the last row was returned.
21
a05d3e34
JH
22JH/04 Bug 2217: Tighten up the parsing of DKIM signature headers. Previously
23 we assumed that tags in the header were well-formed, and parsed the
24 element content after inspecting only the first char of the tag.
25 Assumptions at that stage could crash the receive process on malformed
26 input.
27
ce93c6d8
JH
28JH/05 Bug 2215: Fix crash associated with dnsdb lookup done from DKIM ACL.
29 While running the DKIM ACL we operate on the Permanent memory pool so that
30 variables created with "set" persist to the DATA ACL. Also (at any time)
31 DNS lookups that fail create cache records using the Permanent pool. But
32 expansions release any allocations made on the current pool - so a dnsdb
33 lookup expansion done in the DKIM ACL releases the memory used for the
34 DNS negative-cache, and bad things result. Solution is to switch to the
35 Main pool for expansions.
36 While we're in that code, add checks on the DNS cache during store_reset,
37 active in the testsuite.
38 Problem spotted, and debugging aided, by Wolfgang Breyha.
39
2577f55f
JH
40JH/06 Fix issue with continued-connections when the DNS shifts unreliably.
41 When none of the hosts presented to a transport match an already-open
42 connection, close it and proceed with the list. Previously we would
43 queue the message. Spotted by Lena with Yahoo, probably involving
44 round-robin DNS.
45
5b6f7658
JH
46JH/07 Bug 2214: Fix SMTP responses resulting from non-accept result of MIME ACL.
47 Previously a spurious "250 OK id=" response was appended to the proper
48 failure response.
49
c11d665d
JH
50JH/08 The "support for" informational output now, which built with Content
51 Scanning support, has a line for the malware scanner interfaces compiled
52 in. Interface can be individually included or not at build time.
e5ba8aa7
JH
53
54JH/09 The "aveserver", "kavdaemon" and "mksd" interfaces are now not included
55 by the template makefile "src/EDITME". The "STREAM" support for an older
56 ClamAV interface method is removed.
c11d665d 57
ba0e37b1
JH
58JH/10 Bug 2223: Fix mysql lookup returns for the no-data case (when the number of
59 rows affected is given instead).
60
96508de1
JH
61JH/11 The runtime Berkeley DB library version is now additionally output by
62 "exim -d -bV". Previously only the compile-time version was shown.
63
06fdb9f7
JH
64JH/12 Bug 2230: Fix cutthrough routing for nonfirst messages in an initiating
65 SMTP connection. Previously, when one had more receipients than the
66 first, an abortive onward connection was made. Move to full support for
67 multiple onward connections in sequence, handling cutthrough connection
68 for all multi-message initiating connections.
69
f83a760f
JH
70JH/13 Bug 2229: Fix cutthrough routing for nonstandard port numbers defined by
71 routers. Previously, a multi-recipient message would fail to match the
72 onward-connection opened for the first recipient, and cause its closure.
73
f1fed05b
JH
74JH/14 Bug 2174: A timeout on connect for a callout was also erroneously seen as
75 a timeout on read on a GnuTLS initiating connection, resulting in the
76 initiating connection being dropped. This mattered most when the callout
77 was marked defer_ok. Fix to keep the two timeout-detection methods
78 separate.
79
051d5efa
JH
80JH/15 Relax results from ACL control request to enable cutthrough, in
81 unsupported situations, from error to silently (except under debug)
82 ignoring. This covers use with PRDR, frozen messages, queue-only and
83 fake-reject.
84
cf3cd306
HSHR
85HS/01 Fix Buffer overflow in base64d() (CVE-2018-6789)
86
744976d4
JH
87JH/16 Fix bug in DKIM verify: a buffer overflow could corrupt the malloc
88 metadata, resulting in a crash in free().
89
aab9a843 90PP/01 Fix broken Heimdal GSSAPI authenticator integration.
7be14582 91 Broken in f2ed27cf5, missing an equals sign for specified-initialisers.
aab9a843 92 Broken also in d185889f4, with init system revamp.
7be14582 93
83d2a861
JH
94JH/17 Bug 2113: Fix conversation closedown with the Avast malware scanner.
95 Previously we abruptly closed the connection after reading a malware-
96 found indication; now we go on to read the "scan ok" response line,
97 and send a quit.
98
6741531c
JH
99JH/18 Bug 2239: Enforce non-usability of control=utf8_downconvert in the mail
100 ACL. Previously, a crash would result.
101
85e03244
JH
102JH/19 Speed up macro lookups during configuration file read, by skipping non-
103 macro text after a replacement (previously it was only once per line) and
104 by skipping builtin macros when searching for an uppercase lead character.
105
c0635b6d
JH
106JH/20 DANE support moved from Experimental to mainline. The Makefile control
107 for the build is renamed.
108
b808677c
JH
109JH/21 Fix memory leak during multi-message connections using STARTTLS. A buffer
110 was allocated for every new TLS startup, meaning one per message. Fix
111 by only allocating once (OpenSSL) or freeing on TLS-close (GnuTLS).
112
bbfb5dcd 113
acfc18c3
PP
114Exim version 4.90
115-----------------
116
117JH/01 Rework error string handling in TLS interface so that the caller in
118 more cases is responsible for logging. This permits library-sourced
119 string to be attached to addresses during delivery, and collapses
120 pairs of long lines into single ones.
121
856d1e16
PP
122PP/01 Allow PKG_CONFIG_PATH to be set in Local/Makefile and use it correctly
123 during configuration. Wildcards are allowed and expanded.
124
b9df1829
JH
125JH/02 Rework error string handling in DKIM to pass more info back to callers.
126 This permits better logging.
127
875512a3
JH
128JH/03 Rework the transport continued-connection mechanism: when TLS is active,
129 do not close it down and have the child transport start it up again on
130 the passed-on TCP connection. Instead, proxy the child (and any
131 subsequent ones) for TLS via a unix-domain socket channel. Logging is
132 affected: the continued delivery log lines do not have any DNSSEC, TLS
5013d912 133 Certificate or OCSP information. TLS cipher information is still logged.
875512a3 134
fc3f96af
JH
135JH/04 Shorten the log line for daemon startup by collapsing adjacent sets of
136 identical IP addresses on different listening ports. Will also affect
137 "exiwhat" output.
138
98913c8e
BK
139PP/02 Bug 2070: uClibc defines __GLIBC__ without providing glibc headers;
140 add noisy ifdef guards to special-case this sillyness.
141 Patch from Bernd Kuhls.
142
8d909960
JH
143JH/05 Tighten up the checking in isip4 (et al): dotted-quad components larger
144 than 255 are no longer allowed.
145
7006ee24
JH
146JH/06 Default openssl_options to include +no_ticket, to reduce load on peers.
147 Disable the session-cache too, which might reduce our load. Since we
148 currrectly use a new context for every connection, both as server and
149 client, there is no benefit for these.
150 GnuTLS appears to not support tickets server-side by default (we don't
151 call gnutls_session_ticket_enable_server()) but client side is enabled
152 by default on recent versions (3.1.3 +) unless the PFS priority string
153 is used (3.2.4 +).
154
6e411084
PP
155PP/03 Add $SOURCE_DATE_EPOCH support for reproducible builds, per spec at
156 <https://reproducible-builds.org/specs/source-date-epoch/>.
157
4c2471ca
JH
158JH/07 Fix smtp transport use of limited max_rcpt under mua_wrapper. Previously
159 the check for any unsuccessful recipients did not notice the limit, and
160 erroneously found still-pending ones.
161
4e910c01
JH
162JH/08 Pipeline CHUNKING command and data together, on kernels that support
163 MSG_MORE. Only in-clear (not on TLS connections).
164
42055a33
JH
165JH/09 Avoid using a temporary file during transport using dkim. Unless a
166 transport-filter is involved we can buffer the headers in memory for
167 creating the signature, and read the spool data file once for the
168 signature and again for transmission.
169
eeb35890
JH
170JH/10 Enable use of sendfile in Linux builds as default. It was disabled in
171 4.77 as the kernel support then wasn't solid, having issues in 64bit
7d758a6a 172 mode. Now, it's been long enough. Add support for FreeBSD also.
eeb35890 173
b7d3afcf
JH
174JH/11 Bug 2104: Fix continued use of a transport connection with TLS. In the
175 case where the routing stage had gathered several addresses to send to
176 a host before calling the transport for the first, we previously failed
177 to close down TLS in the old transport process before passing the TCP
178 connection to the new process. The new one sent a STARTTLS command
179 which naturally failed, giving a failed delivery and bloating the retry
180 database. Investigation and fix prototype from Wolfgang Breyha.
181
40525d07
JH
182JH/12 Fix check on SMTP command input synchronisation. Previously there were
183 false-negatives in the check that the sender had not preempted a response
184 or prompt from Exim (running as a server), due to that code's lack of
a5ffa9b4 185 awareness of the SMTP input buffering.
40525d07 186
f33875c3
PP
187PP/04 Add commandline_checks_require_admin option.
188 Exim drops privileges sanely, various checks such as -be aren't a
189 security problem, as long as you trust local users with access to their
190 own account. When invoked by services which pass untrusted data to
191 Exim, this might be an issue. Set this option in main configuration
192 AND make fixes to the calling application, such as using `--` to stop
193 processing options.
194
a5ffa9b4
JH
195JH/13 Do pipelining under TLS. Previously, although safe, no advantage was
196 taken. Now take care to pack both (client) MAIL,RCPT,DATA, and (server)
197 responses to those, into a single TLS record each way (this usually means
198 a single packet). As a side issue, smtp_enforce_sync now works on TLS
199 connections.
925ac8e4 200
6600985a
PP
201PP/05 OpenSSL/1.1: use DH_bits() for more accurate DH param sizes. This
202 affects you only if you're dancing at the edge of the param size limits.
203 If you are, and this message makes sense to you, then: raise the
204 configured limit or use OpenSSL 1.1. Nothing we can do for older
205 versions.
206
ac4d558b
JH
207JH/14 For the "sock" variant of the malware scanner interface, accept an empty
208 cmdline element to get the documented default one. Previously it was
209 inaccessible.
210
e69636bc
JH
211JH/15 Fix a crash in the smtp transport caused when two hosts in succession
212 are unsuable for non-message-specific reasons - eg. connection timeout,
213 banner-time rejection.
214
a843a57e
JH
215JH/16 Fix logging of delivery remote port, when specified by router, under
216 callout/hold.
217
8e041ae0
PP
218PP/06 Repair manualroute's ability to take options in any order, even if one
219 is the name of a transport.
833c70bc
PP
220 Fixes bug 2140.
221
35a04365
HSHR
222HS/01 Cleanup, prevent repeated use of -p/-oMr (CVE-2017-1000369)
223
4226691b
JH
224JH/17 Change the list-building routines interface to use the expanding-string
225 triplet model, for better allocation and copying behaviour.
226
d185889f
JH
227JH/18 Prebuild the data-structure for "builtin" macros, for faster startup.
228 Previously it was constructed the first time a possibly-matching string
229 was met in the configuration file input during startup; now it is done
230 during compilation.
231
0a6c178c
JH
232JH/19 Bug 2141: Use the full-complex API for Berkeley DB rather than the legacy-
233 compatible one, to avoid the (poorly documented) possibility of a config
234 file in the working directory redirecting the DB files, possibly correpting
02745400 235 some existing file. CVE-2017-10140 assigned for BDB.
0a6c178c 236
fae8970d
JH
237JH/20 Bug 2147: Do not defer for a verify-with-callout-and-random which is not
238 cache-hot. Previously, although the result was properly cached, the
239 initial verify call returned a defer.
240
ad1a76fe 241JH/21 Bug 2151: Avoid using SIZE on the MAIL for a callout verify, on any but
14de8063
JH
242 the main verify for receipient in uncached-mode.
243
ad1a76fe
JH
244JH/22 Retire historical build files to an "unsupported" subdir. These are
245 defined as "ones for which we have no current evidence of testing".
246
135e9496
JH
247JH/23 DKIM: enforce the DNS pubkey record "h" permitted-hashes optional field,
248 if present. Previously it was ignored.
249
f2ed27cf
JH
250JH/24 Start using specified-initialisers in C structure init coding. This is
251 a C99 feature (it's 2017, so now considered safe).
252
7eb0e5d2
JH
253JH/25 Use one-bit bitfields for flags in the "addr" data structure. Previously
254 if was a fixed-sized field and bitmask ops via macros; it is now more
255 extensible.
256
4f9f4be4
257PP/07 GitHub PR 56: Apply MariaDB build fix.
258 Patch provided by Jaroslav Škarvada.
259
dc4de9cc
PP
260PP/08 Bug 2161: Fix regression in sieve quoted-printable handling introduced
261 during Coverity cleanups [4.87 JH/47]
262 Diagnosis and fix provided by Michael Fischer v. Mollard.
263
ea18931d
JH
264JH/26 Fix DKIM bug: when the pseudoheader generated for signing was exactly
265 the right size to place the terminating semicolon on its own folded
266 line, the header hash was calculated to an incorrect value thanks to
267 the (relaxed) space the fold became.
268
2cee425a
HSHR
269HS/02 Fix Bug 2130: large writes from the transport subprocess where chunked
270 and confused the parent.
271
848214f7
JH
272JH/27 Fix SOCKS bug: an unitialized pointer was deref'd by the transport process
273 which could crash as a result. This could lead to undeliverable messages.
274
9e0ed81f
JH
275JH/28 Logging: "next input sent too soon" now shows where input was truncated
276 for log purposes.
277
2540f2f8
JH
278JH/29 Fix queue_run_in_order to ignore the PID portion of the message ID. This
279 matters on fast-turnover and PID-randomising systems, which were getting
280 out-of-order delivery.
281
e5ab0ba9
JH
282JH/30 Fix a logging bug on aarch64: an unsafe routine was previously used for
283 a possibly-overlapping copy. The symptom was that "Remote host closed
284 connection in response to HELO" was logged instead of the actual 4xx
285 error for the HELO.
286
e99a3a6c
JH
287JH/31 Fix CHUNKING code to properly flush the unwanted chunk after an error.
288 Previously only that bufferd was discarded, resulting in SYMTP command
289 desynchronisation.
290
18067c75
JH
291JH/32 DKIM: when a message has multiple signatures matching an identity given
292 in dkim_verify_signers, run the dkim acl once for each. Previously only
293 one run was done. Bug 2189.
294
72934ba7
JH
295JH/33 Downgrade an unfound-list name (usually a typo in the config file) from
296 "panic the current process" to "deliberately defer". The panic log is
297 still written with the problem list name; the mail and reject logs now
298 get a temp-reject line for the message that was being handled, saying
299 something like "domains check lookup or other defer". The SMTP 451
300 message is still "Temporary local problem".
301
625667b6
JH
302JH/34 Bug 2199: Fix a use-after-free while reading smtp input for header lines.
303 A crafted sequence of BDAT commands could result in in-use memory beeing
b488395f
JH
304 freed. CVE-2017-16943.
305
306HS/03 Bug 2201: Fix checking for leading-dot on a line during headers reading
307 from SMTP input. Previously it was always done; now only done for DATA
308 and not BDAT commands. CVE-2017-16944.
625667b6 309
d21bf202
JH
310JH/35 Bug 2201: Flush received data in BDAT mode after detecting an error fatal
311 to the message (such as an overlong header line). Previously this was
312 not done and we did not exit BDAT mode. Followon from the previous item
313 though a different problem.
314
acfc18c3 315
fd047340 316Exim version 4.89
acfc18c3 317-----------------
4c57a40e 318
9427e879 319JH/01 Bug 1922: Support IDNA2008. This has slightly different conversion rules
4c04137d 320 than -2003 did; needs libidn2 in addition to libidn.
fd047340 321
7b283890
JH
322JH/02 The path option on a pipe transport is now expanded before use.
323
4c57a40e
PP
324PP/01 GitHub PR 50: Do not call ldap_start_tls_s on ldapi:// connections.
325 Patch provided by "Björn", documentation fix added too.
326
5d036699
JH
327JH/03 Bug 2003: fix Proxy Protocol v2 handling: the address size field was
328 missing a wire-to-host endian conversion.
329
f4630439
JH
330JH/04 Bug 2004: fix CHUNKING in non-PIPELINEING mode. Chunk data following
331 close after a BDAT command line could be taken as a following command,
332 giving a synch failure. Fix by only checking for synch immediately
333 before acknowledging the chunk.
334
f988ce57
JS
335PP/02 GitHub PR 52: many spelling fixes, which include fixing parsing of
336 no_require_dnssec option and creation of _HAVE_TRANSPORT_APPEND_MAILDIR
337 macro. Patches provided by Josh Soref.
338
bd8fbe36
JH
339JH/05 Have the EHLO response advertise VRFY, if there is a vrfy ACL defined.
340 Previously we did not; the RFC seems ambiguous and VRFY is not listed
341 by IANA as a service extension. However, John Klensin suggests that we
342 should.
343
344JH/06 Bug 2017: Fix DKIM verification in -bh test mode. The data feed into
b895f4b2
JH
345 the dkim code may be unix-mode line endings rather than smtp wire-format
346 CRLF, so prepend a CR to any bare LF.
fd047340 347
bd8fbe36 348JH/07 Rationalise the coding for callout smtp conversations and transport ones.
902fbd69
JH
349 As a side-benfit, callouts can now use PIPELINING hence fewer round-trips.
350
bd8fbe36
JH
351JH/08 Bug 2016: Fix DKIM verification vs. CHUNKING. Any BDAT commands after
352 the first were themselves being wrongly included in the feed into dkim
353 processing; with most chunk sizes in use this resulted in an incorrect
354 body hash calculated value.
355
eea19017
JH
356JH/09 Bug 2014: permit inclusion of a DKIM-Signature header in a received
357 DKIM signature block, for verification. Although advised against by
358 standards it is specifically not ruled illegal.
359
44e6651b
JH
360JH/10 Bug 2025: Fix reception of (quoted) local-parts with embedded spaces.
361
362JH/11 Bug 2029: Fix crash in DKIM verification when a message signature block is
363 missing a body hash (the bh= tag).
364
365JH/12 Bug 2018: Re-order Proxy Protocol startup versus TLS-on-connect startup.
366 It seems that HAProxy sends the Proxy Protocol information in clear and
367 only then does a TLS startup, so do the same.
368
369JH/13 Bug 2027: Avoid attempting to use TCP Fast Open for non-transport client
370 TCP connections (such as for Spamd) unless the daemon successfully set
371 Fast Open mode on its listening sockets. This fixes breakage seen on
372 too-old kernels or those not configured for Fast Open, at the cost of
373 requiring both directions being enabled for TFO, and TFO never being used
374 by non-daemon-related Exim processes.
375
376JH/14 Bug 2000: Reject messages recieved with CHUNKING but with malformed line
377 endings, at least on the first header line. Try to canonify any that get
378 past that check, despite the cost.
379
b6040544
JH
380JH/15 Angle-bracket nesting (an error inserted by broken sendmails) levels are
381 now limited to an arbitrary five deep, while parsing addresses with the
382 strip_excess_angle_brackets option enabled.
383
f700ea4d
PP
384PP/03 Bug 2018: For Proxy Protocol and TLS-on-connect, do not over-read and
385 instead leave the unprompted TLS handshake in socket buffer for the
386 TLS library to consume.
387
da88acae
PP
388PP/04 Bug 2018: Also handle Proxy Protocol v2 safely.
389
f6ef9370
PP
390PP/05 FreeBSD compat: handle that Ports no longer create /usr/bin/perl
391
90341c71
JH
392JH/16 Drop variables when they go out of scope. Memory management drops a whole
393 region in one operation, for speed, and this leaves assigned pointers
394 dangling. Add checks run only under the testsuite which checks all
395 variables at a store-reset and panics on a dangling pointer; add code
396 explicitly nulling out all the variables discovered. Fixes one known
397 bug: a transport crash, where a dangling pointer for $sending_ip_address
398 originally assigned in a verify callout, is re-used.
399
1ec2ab36
PP
400PP/06 Drop '.' from @INC in various Perl scripts.
401
402PP/07 Switch FreeBSD iconv to always use the base-system libc functions.
403
404PP/08 Reduce a number of compilation warnings under clang; building with
405 CC=clang CFLAGS+=-Wno-dangling-else -Wno-logical-op-parentheses
406 should be warning-free.
407
8b2b9480
PP
408JH/17 Fix inbound CHUNKING when DKIM disabled at runtime.
409
410HS/01 Fix portability problems introduced by PP/08 for platforms where
411 realloc(NULL) is not equivalent to malloc() [SunOS et al].
412
d953610f
HSHR
413HS/02 Bug 1974: Fix missing line terminator on the last received BDAT
414 chunk. This allows us to accept broken chunked messages. We need a more
415 general solution here.
416
7dc5f827
PP
417PP/09 Wrote util/chunking_fixqueue_finalnewlines.pl to help recover
418 already-broken messages in the queue.
419
4bb432cb
PP
420JH/18 Bug 2061: Fix ${extract } corrupting an enclosing ${reduce } $value.
421
3b1a84c8
PP
422JH/19 Fix reference counting bug in routing-generated-address tracking.
423
902fbd69 424
8d042305
JH
425Exim version 4.88
426-----------------
4c57a40e 427
9094b84b
JH
428JH/01 Use SIZE on MAIL FROM in a cutthrough connection, if the destination
429 supports it and a size is available (ie. the sending peer gave us one).
8d042305 430
03d5892b
JH
431JH/02 The obsolete acl condition "demime" is removed (finally, after ten
432 years of being deprecated). The replacements are the ACLs
433 acl_smtp_mime and acl_not_smtp_mime.
434
4b0fe319
JH
435JH/03 Upgrade security requirements imposed for hosts_try_dane: previously
436 a downgraded non-dane trust-anchor for the TLS connection (CA-style)
437 or even an in-clear connection were permitted. Now, if the host lookup
438 was dnssec and dane was requested then the host is only used if the
439 TLSA lookup succeeds and is dnssec. Further hosts (eg. lower priority
440 MXs) will be tried (for hosts_try_dane though not for hosts_require_dane)
441 if one fails this test.
442 This means that a poorly-configured remote DNS will make it incommunicado;
443 but it protects against a DNS-interception attack on it.
444
789f8a4f
JH
445JH/04 Bug 1810: make continued-use of an open smtp transport connection
446 non-noisy when a race steals the message being considered.
447
23bb6982 448JH/05 If main configuration option tls_certificate is unset, generate a
f59aaaaa 449 self-signed certificate for inbound TLS connections.
23bb6982 450
0bd1b1ed 451JH/06 Bug 165: hide more cases of password exposure - this time in expansions
f42deca9 452 in rewrites and routers.
0bd1b1ed 453
20b9a2dc
JH
454JH/07 Retire gnutls_require_mac et.al. These were nonfunctional since 4.80
455 and logged a warning sing 4.83; now they are a configuration file error.
456
05392bbc
JH
457JH/08 Bug 1836: Fix crash in VRFY handling when handed an unqualified name
458 (lacking @domain). Apply the same qualification processing as RCPT.
459
1a6230a3
JH
460JH/09 Bug 1804: Avoid writing msglog files when in -bh or -bhc mode.
461
cfab9d68
JH
462JH/10 Support ${sha256:} applied to a string (as well as the previous
463 certificate).
464
98c82a3d
JH
465JH/11 Cutthrough: avoid using the callout hints db on a verify callout when
466 a cutthrough deliver is pending, as we always want to make a connection.
467 This also avoids re-routing the message when later placing the cutthrough
468 connection after a verify cache hit.
469 Do not update it with the verify result either.
470
471JH/12 Cutthrough: disable when verify option success_on_redirect is used, and
472 when routing results in more than one destination address.
473
ae8386f0
JH
474JH/13 Cutthrough: expand transport dkim_domain option when testing for dkim
475 signing (which inhibits the cutthrough capability). Previously only
476 the presence of an option was tested; now an expansion evaluating as
477 empty is permissible (obviously it should depend only on data available
478 when the cutthrough connection is made).
479
0d9fa8c0
JH
480JH/14 Fix logging of errors under PIPELINING. Previously the log line giving
481 the relevant preceding SMTP command did not note the pipelining mode.
482
3581f321
JH
483JH/15 Fix counting of empty lines in $body_linecount and $message_linecount.
484 Previously they were not counted.
485
ef3a1a30
JH
486JH/16 DANE: treat a TLSA lookup response having all non-TLSA RRs, the same
487 as one having no matching records. Previously we deferred the message
488 that needed the lookup.
489
4c04137d 490JH/17 Fakereject: previously logged as a normal message arrival "<="; now
27b9e5f4
JH
491 distinguished as "(=".
492
1435d4b2
JH
493JH/18 Bug 1867: make the fail_defer_domains option on a dnslookup router work
494 for missing MX records. Previously it only worked for missing A records.
495
eea0defe
JB
496JH/19 Bug 1850: support Radius libraries that return REJECT_RC.
497
498JH/20 Bug 1872: Ensure that acl_smtp_notquit is run when the connection drops
499 after the data-go-ahead and data-ack. Patch from Jason Betts.
860cdda2 500
4c04137d 501JH/21 Bug 1846: Send DMARC forensic reports for reject and quarantine results,
72a201e2
TM
502 even for a "none" policy. Patch from Tony Meyer.
503
1c788856
JH
504JH/22 Fix continued use of a connection for further deliveries. If a port was
505 specified by a router, it must also match for the delivery to be
506 compatible.
507
e3b1f624
JH
508JH/23 Bug 1874: fix continued use of a connection for further deliveries.
509 When one of the recipients of a message was unsuitable for the connection
510 (has no matching addresses), we lost track of needing to mark it
511 deferred. As a result mail would be lost.
512
a57ce043
JH
513JH/24 Bug 1832: Log EHLO response on getting conn-close response for HELO.
514
f59aaaaa 515JH/25 Decoding ACL controls is now done using a binary search; the source code
2d009132
JH
516 takes up less space and should be simpler to maintain. Merge the ACL
517 condition decode tables also, with similar effect.
d7bed771 518
d1f9fb42
JH
519JH/26 Fix problem with one_time used on a redirect router which returned the
520 parent address unchanged. A retry would see the parent address marked as
521 delivered, so not attempt the (identical) child. As a result mail would
522 be lost.
523
92b0827a
JH
524JH/27 Fix a possible security hole, wherein a process operating with the Exim
525 UID can gain a root shell. Credit to http://www.halfdog.net/ for
526 discovery and writeup. Ubuntu bug 1580454; no bug raised against Exim
527 itself :(
528
ddf1b11a
JH
529JH/28 Enable {spool,log} filesystem space and inode checks as default.
530 Main config options check_{log,spool}_{inodes,space} are now
531 100 inodes, 10MB unless set otherwise in the configuration.
532
3cc3f762
JH
533JH/29 Fix the connection_reject log selector to apply to the connect ACL.
534 Previously it only applied to the main-section connection policy
535 options.
536
ae5afa61
JH
537JH/30 Bug 1897: fix callouts connection fallback from TLS to cleartext.
538
317e40ac
PP
539PP/01 Changed default Diffie-Hellman parameters to be Exim-specific, created
540 by me. Added RFC7919 DH primes as an alternative.
541
8b0fb68e
PP
542PP/02 Unbreak build via pkg-config with new hash support when crypto headers
543 are not in the system include path.
544
ad7fc6eb 545JH/31 Fix longstanding bug with aborted TLS server connection handling. Under
f59aaaaa 546 GnuTLS, when a session startup failed (eg because the client disconnected)
ad7fc6eb
JH
547 Exim did stdio operations after fclose. This was exposed by a recent
548 change which nulled out the file handle after the fclose.
ad7fc6eb 549
ee5b1e28
JH
550JH/32 Bug 1909: Fix OCSP proof verification for cases where the proof is
551 signed directly by the cert-signing cert, rather than an intermediate
552 OCSP-signing cert. This is the model used by LetsEncrypt.
553
5ddc9771
JH
554JH/33 Bug 1914: Ensure socket is nonblocking before draining after SMTP QUIT.
555
8d73599f
JH
556HS/01 Fix leak in verify callout under GnuTLS, about 3MB per recipient on
557 an incoming connection.
558
446415f5
HSHR
559HS/02 Bug 1802: Do not half-close the connection after sending a request
560 to rspamd.
561
8e53a4fc
HSHR
562HS/03 Use "auto" as the default EC curve parameter. For OpenSSL < 1.0.2
563 fallback to "prime256v1".
8d042305 564
87cb4a16 565JH/34 SECURITY: Use proper copy of DATA command in error message.
4c57a40e 566 Could leak key material. Remotely exploitable. CVE-2016-9963.
87cb4a16
JH
567
568
0d9b78be
JH
569Exim version 4.87
570-----------------
4c57a40e 571
82d14d6a
JH
572JH/01 Bug 1664: Disable OCSP for GnuTLS library versions at/before 3.3.16
573 and 3.4.4 - once the server is enabled to respond to an OCSP request
574 it does even when not requested, resulting in a stapling non-aware
575 client dropping the TLS connection.
0d9b78be 576
6c6d6e48
TF
577TF/01 Code cleanup: Overhaul the debug_selector and log_selector machinery to
578 support variable-length bit vectors. No functional change.
579
ac881e27
TF
580TF/02 Improve the consistency of logging incoming and outgoing interfaces.
581 The I= interface field on outgoing lines is now after the H= remote
582 host field, same as incoming lines. There is a separate
583 outgoing_interface log selector which allows you to disable the
584 outgoing I= field.
585
c8899c20
JH
586JH/02 Bug 728: Close logfiles after a daemon-process "exceptional" log write.
587 If not running log_selector +smtp_connection the mainlog would be held
588 open indefinitely after a "too many connections" event, including to a
589 deleted file after a log rotate. Leave the per net connection logging
590 leaving it open for efficiency as that will be quickly detected by the
591 check on the next write.
592
f1b81d81
HSHR
593HS/01 Bug 1671: Fix post transport crash.
594 Processing the wait-<transport> messages could crash the delivery
595 process if the message IDs didn't exist for some reason. When
596 using 'split_spool_directory=yes' the construction of the spool
597 file name failed already, exposing the same netto behaviour.
598
f38917cc
JH
599JH/03 Bug 425: Capture substrings in $regex1, $regex2 etc from regex &
600 mime_regex ACL conditions.
601
895fbaf2
JH
602JH/04 Bug 1686: When compiled with EXPERIMENTAL_DSN_INFO: Add extra information
603 to DSN fail messages (bounces): remote IP, remote greeting, remote response
604 to HELO, local diagnostic string.
605
805bb5c3
JH
606JH/05 Downgrade message for a TLS-certificate-based authentication fail from
607 log line to debug. Even when configured with a tls authenticator many
608 client connections are expected to not authenticate in this way, so
609 an authenticate fail is not an error.
610
56c2a7be
HSHR
611HS/02 Add the Exim version string to the process info. This way exiwhat
612 gives some more detail about the running daemon.
613
4c04137d 614JH/06 Bug 1395: time-limit caching of DNS lookups, to the TTL value. This may
14b3c5bc
JH
615 matter for fast-change records such as DNSBLs.
616
6f6dedcc
JH
617JH/07 Bug 1678: Always record an interface option value, if set, as part of a
618 retry record, even if constant. There may be multiple transports with
619 different interface settings and the retry behaviour needs to be kept
620 distinct.
621
0f557e90
JH
622JH/08 Bug 1586: exiqgrep now refuses to run if there are unexpected arguments.
623
624JH/09 Bug 1700: ignore space & tab embedded in base64 during decode.
625
ec0eb1a3
JH
626JH/10 Bug 840: fix log_defer_output option of pipe transport
627
41e93589
JH
628JH/11 Bug 830: use same host for all RCPTS of a message, even under
629 hosts_randomize. This matters a lot when combined with mua_wrapper.
630
98b98887 631JH/12 Bug 1706: percent and underbar characters are no longer escaped by the
376d2ec0
JH
632 ${quote_pgsql:<string>} operator.
633
98b98887
JH
634JH/13 Bug 1708: avoid misaligned access in cached lookup.
635
858e91c2
JH
636JH/14 Change header file name for freeradius-client. Relevant if compiling
637 with Radius support; from the Gentoo tree and checked under Fedora.
638
639JH/15 Bug 1712: Introduce $prdr_requested flag variable
640
6ff55e50
JH
641JH/16 Bug 1714: Permit an empty string as expansion result for transport
642 option transport_filter, meaning no filtering.
643
3b957582
JB
644JH/17 Bug 1713: Fix non-PDKIM_DEBUG build. Patch from Jasen Betts.
645
23f3dc67
JH
646JH/18 Bug 1709: When built with TLS support, the tls_advertise_hosts option now
647 defaults to "*" (all hosts). The variable is now available when not built
4c04137d 648 with TLS, default unset, mainly to enable keeping the testsuite sane.
23f3dc67
JH
649 If a server certificate is not supplied (via tls_certificate) an error is
650 logged, and clients will find TLS connections fail on startup. Presumably
651 they will retry in-clear.
652 Packagers of Exim are strongly encouraged to create a server certificate
653 at installation time.
654
240c288f
JH
655HS/03 Add -bP config_file as a synonym for -bP configure_file, for consistency
656 with the $config_file variable.
657
5ef5dd52
JB
658JH/19 Two additional event types: msg:rcpt:defer and msg:rcpt:host:defer. Both
659 in transport context, after the attempt, and per-recipient. The latter type
660 is per host attempted. The event data is the error message, and the errno
661 information encodes the lookup type (A vs. MX) used for the (first) host,
4c04137d 662 and the trailing two digits of the smtp 4xx response.
5ef5dd52 663
e161710d
GF
664GF/01 Bug 1715: Fix for race condition in exicyclog, where exim could attempt
665 to write to mainlog (or rejectlog, paniclog) in the window between file
666 creation and permissions/ownership being changed. Particularly affects
667 installations where exicyclog is run as root, rather than exim user;
668 result is that the running daemon panics and dies.
669
a159f203
JH
670JH/20 Bug 1701: For MySQL lookups, support MySQL config file option group names.
671
7f06582c
JH
672JH/21 Bug 1720: Add support for priority groups and weighted-random proxy
673 selection for the EXPERIMENTAL_SOCKS feature, via new per-proxy options
674 "pri" and "weight". Note that the previous implicit priority given by the
675 list order is no longer honoured.
676
4c04137d 677JH/22 Bugs 963, 1721: Fix some corner cases in message body canonicalization
abe1010c
JH
678 for DKIM processing.
679
f0989ec0
JH
680JH/23 Move SOCKS5 support from Experimental to mainline, enabled for a build
681 by defining SUPPORT_SOCKS.
74f150bf 682
cee5f132
JH
683JH/26 Move PROXY support from Experimental to mainline, enabled for a build
684 by defining SUPPORT_PROXY. Note that the proxy_required_hosts option
e6d2a989
JH
685 is renamed to hosts_proxy, and the proxy_{host,target}_{address,port}.
686 variables are renamed to proxy_{local,external}_{address,port}.
cee5f132 687
8c5d388a
JH
688JH/27 Move Internationalisation support from Experimental to mainline, enabled
689 for a build by defining SUPPORT_I18N
690
2d8d625b
JH
691JH/28 Bug 1745: Fix redis lookups to handle (quoted) spaces embedded in parts
692 of the query string, and make ${quote_redis:} do that quoting.
693
0cbf2b82
JH
694JH/29 Move Events support from Experimental to mainline, enabled by default
695 and removable for a build by defining DISABLE_EVENT.
696
f2f2c91b
JH
697JH/30 Updated DANE implementation code to current from Viktor Dukhovni.
698
ce325893
JH
699JH/31 Fix bug with hosts_connection_nolog and named-lists which were wrongly
700 cached by the daemon.
701
de78e2d5
JH
702JH/32 Move Redis support from Experimental to mainline, enabled for a build
703 by defining LOOKUP_REDIS. The libhiredis library is required.
704
379ba7d0
JH
705JH/33 Bug 1748: Permit ACL dnslists= condition in non-smtp ACLs if explicit
706 keys are given for lookup.
707
f444c2c7
JH
708JH/34 Bug 1192: replace the embedded copy of PolarSSL RSA routines in the DKIM
709 support, by using OpenSSL or GnuTLS library ones. This means DKIM is
07c73177
JH
710 only supported when built with TLS support. The PolarSSL SHA routines
711 are still used when the TLS library is too old for convenient support.
f444c2c7 712
a57b6200
JH
713JH/35 Require SINGLE_DH_USE by default in OpenSSL (main config option
714 openssl_options), for security. OpenSSL forces this from version 1.1.0
715 server-side so match that on older versions.
716
07c73177 717JH/36 Bug 1778: longstanding bug in memory use by the ${run } expansion: A fresh
fa01e4f8 718 allocation for $value could be released as the expansion processing
07c73177 719 concluded, but leaving the global pointer active for it.
fa01e4f8 720
4f6ae5c3
JH
721JH/37 Bug 1769: Permit a VRFY ACL to override the default 252 response,
722 and to use the domains and local_parts ACL conditions.
723
1bc460a6
JH
724JH/38 Fix cutthrough bug with body lines having a single dot. The dot was
725 incorrectly not doubled on cutthrough transmission, hence seen as a
726 body-termination at the receiving system - resulting in truncated mails.
62ac2eb7 727 Commonly the sender saw a TCP-level error, and retransmitted the message
1bc460a6
JH
728 via the normal store-and-forward channel. This could result in duplicates
729 received - but deduplicating mailstores were liable to retain only the
730 initial truncated version.
731
ab9152ff 732JH/39 Bug 1781: Fix use of DKIM private-keys having trailing '=' in the base-64.
df3def24 733
67e87fcf
JH
734JH/40 Fix crash in queryprogram router when compiled with EXPERIMENTAL_SRS.
735
ab9152ff
JH
736JH/41 Bug 1792: Fix selection of headers to sign for DKIM: bottom-up. While
737 we're in there, support oversigning also; bug 1309.
738
af483912
JH
739JH/42 Bug 1796: Fix error logged on a malware scanner connection failure.
740
bc3c7bb7 741HS/04 Add support for keep_environment and add_environment options.
df3def24 742
13559da6
JH
743JH/43 Tidy coding issues detected by gcc --fsanitize=undefined. Some remain;
744 either intentional arithmetic overflow during PRNG, or testing config-
745 induced overflows.
746
59eaad2b
JH
747JH/44 Bug 1800: The combination of a -bhc commandline option and cutthrough
748 delivery resulted in actual delivery. Cancel cutthrough before DATA
749 stage.
750
f9334a28
JH
751JH/45 Fix cutthrough, when connection not opened by verify and target hard-
752 rejects a recipient: pass the reject to the originator.
753
dc8091e7
JH
754JH/46 Multiple issues raised by Coverity. Some were obvious or plausible bugs.
755 Many were false-positives and ignorable, but it's worth fixing the
756 former class.
757
dfe7d917
JH
758JH/47 Fix build on HP-UX and older Solaris, which need (un)setenv now also
759 for the new environment-manipulation done at startup. Move the routines
760 from being local to tls.c to being global via the os.c file.
761
93cc2d6e
JH
762JH/48 Bug 1807: Fix ${extract } for the numeric/3-string case. While preparsing
763 an extract embedded as result-arg for a map, the first arg for extract
764 is unavailable so we cannot tell if this is a numbered or keyed
765 extraction. Accept either.
766
13559da6 767
9c695f6d
JH
768Exim version 4.86
769-----------------
4c57a40e 770
9c695f6d
JH
771JH/01 Bug 1545: The smtp transport option "retry_include_ip_address" is now
772 expanded.
773
506900af
JH
774JH/02 The smtp transport option "multi_domain" is now expanded.
775
ad07e9ad
JH
776JH/03 The smtp transport now requests PRDR by default, if the server offers
777 it.
778
01a4a5c5 779JH/04 Certificate name checking on server certificates, when exim is a client,
b3ef41c9 780 is now done by default. The transport option tls_verify_cert_hostnames
01a4a5c5
JH
781 can be used to disable this per-host. The build option
782 EXPERIMENTAL_CERTNAMES is withdrawn.
783
cb1d7830 784JH/05 The value of the tls_verify_certificates smtp transport and main options
0e0f3f56 785 default to the word "system" to access the system default CA bundle.
cb1d7830
JH
786 For GnuTLS, only version 3.0.20 or later.
787
610ff438 788JH/06 Verification of the server certificate for a TLS connection is now tried
6d580f19
JH
789 (but not required) by default. The verification status is now logged by
790 default, for both outbound TLS and client-certificate supplying inbound
791 TLS connections
610ff438 792
f926e272
JH
793JH/07 Changed the default rfc1413 lookup settings to disable calls. Few
794 sites use this now.
795
50dc7409
JH
796JH/08 The EXPERIMENTAL_DSN compile option is no longer needed; all Delivery
797 Status Notification (bounce) messages are now MIME format per RFC 3464.
798 Support for RFC 3461 DSN options NOTIFY,ENVID,RET,ORCPT can be advertised
799 under the control of the dsn_advertise_hosts option, and routers may
800 have a dsn_lasthop option.
801
0f0c8159
JH
802JH/09 A timeout of 2 minutes is now applied to all malware scanner types by
803 default, modifiable by a malware= option. The list separator for
23763898 804 the options can now be changed in the usual way. Bug 68.
4e71661f 805
1ad6489e
JH
806JH/10 The smtp_receive_timeout main option is now expanded before use.
807
aeaf5db3
JH
808JH/11 The incoming_interface log option now also enables logging of the
809 local interface on delivery outgoing connections.
810
5032d1cf
JH
811JH/12 The cutthrough-routing facility now supports multi-recipient mails,
812 if the interface and destination host and port all match.
813
7e8360e6
JH
814JH/13 Bug 344: The verify = reverse_host_lookup ACL condition now accepts a
815 /defer_ok option.
816
c5f280e2
AL
817JH/14 Bug 1573: The spam= ACL condition now additionally supports Rspamd.
818 Patch from Andrew Lewis.
819
fd4d8871 820JH/15 Bug 670: The spamd_address main option (for the spam= ACL condition)
dc7b3d36 821 now supports optional time-restrictions, weighting, and priority
fd4d8871
R
822 modifiers per server. Patch originally by <rommer@active.by>.
823
824JH/16 The spamd_address main option now supports a mixed list of local
2aad5761
JH
825 and remote servers. Remote servers can be IPv6 addresses, and
826 specify a port-range.
fd4d8871 827
23763898
JH
828JH/17 Bug 68: The spamd_address main option now supports an optional
829 timeout value per server.
830
2ad78978
JH
831JH/18 Bug 1581: Router and transport options headers_add/remove can
832 now have the list separator specified.
833
8a512ed5 834JH/19 Bug 392: spamd_address, and clamd av_scanner, now support retry
cfab9d68 835 option values.
8a512ed5 836
82c0c8ea 837JH/20 Bug 1571: Ensure that $tls_in_peerdn is set, when verification fails
f69979cf
JH
838 under OpenSSL.
839
cc00f4af
JH
840JH/21 Support for the A6 type of dns record is withdrawn.
841
82c0c8ea
JH
842JH/22 Bug 608: The result of a QUIT or not-QUIT toplevel ACL now matters
843 rather than the verbs used.
844
b980ed83
JH
845JH/23 Bug 1572: Increase limit on SMTP confirmation message copy size
846 from 255 to 1024 chars.
847
6c9ed72e
JH
848JH/24 Verification callouts now attempt to use TLS by default.
849
cfab9d68 850HS/01 DNSSEC options (dnssec_require_domains, dnssec_request_domains)
99c1bb4e 851 are generic router options now. The defaults didn't change.
50dc7409 852
f846c8f5
JH
853JH/25 Bug 466: Add RFC2322 support for MIME attachment filenames.
854 Original patch from Alexander Shikoff, worked over by JH.
855
fd4c285c
HSHR
856HS/02 Bug 1575: exigrep falls back to autodetection of compressed
857 files if ZCAT_COMMAND is not executable.
858
4c04137d 859JH/26 Bug 1539: Add timeout/retry options on dnsdb lookups.
fd7f7910 860
d2a2c69b
JH
861JH/27 Bug 286: Support SOA lookup in dnsdb lookups.
862
8241d8dd
JH
863JH/28 Bug 1588: Do not use the A lookup following an AAAA for setting the FQDN.
864 Normally benign, it bites when the pair was led to by a CNAME;
4c04137d 865 modern usage is to not canonicalize the domain to a CNAME target
8241d8dd
JH
866 (and we were inconsistent anyway for A-only vs AAAA+A).
867
1f12df4d
JH
868JH/29 Bug 1632: Removed the word "rejected" from line logged for ACL discards.
869
1f155f8e
JH
870JH/30 Check the forward DNS lookup for DNSSEC, in addition to the reverse,
871 when evaluating $sender_host_dnssec.
872
1705dd20
JH
873JH/31 Check the HELO verification lookup for DNSSEC, adding new
874 $sender_helo_dnssec variable.
875
038597d2
PP
876JH/32 Bug 1397: Enable ECDHE on OpenSSL, just the NIST P-256 curve.
877
474f71bf
JH
878JH/33 Bug 1346: Note MAIL cmd seen in -bS batch, to avoid smtp_no_mail log.
879
7137ca4b
JH
880JH/34 Bug 1648: Fix a memory leak seen with "mailq" and large queues.
881
dcb1095c
JH
882JH/35 Bug 1642: Fix support of $spam_ variables at delivery time. Was
883 documented as working, but never had. Support all but $spam_report.
884
2f460950
JH
885JH/36 Bug 1659: Guard checking of input smtp commands again pseudo-command
886 added for tls authenticator.
887
2f680c0c
HSHR
888HS/03 Add perl_taintmode main config option
889
9c695f6d 890
e449c3b0
TL
891Exim version 4.85
892-----------------
4c57a40e 893
e449c3b0
TL
894TL/01 When running the test suite, the README says that variables such as
895 no_msglog_check are global and can be placed anywhere in a specific
896 test's script, however it was observed that placement needed to be near
897 the beginning for it to behave that way. Changed the runtest perl
898 script to read through the entire script once to detect and set these
899 variables, reset to the beginning of the script, and then run through
900 the script parsing/test process like normal.
901
ac20058f
TL
902TL/02 The BSD's have an arc4random API. One of the functions to induce
903 adding randomness was arc4random_stir(), but it has been removed in
904 OpenBSD 5.5. Detect this OpenBSD version and skip calling this
905 function when detected.
906
a9b8ec8b
JH
907JH/01 Expand the EXPERIMENTAL_TPDA feature. Several different events now
908 cause callback expansion.
909
6286d7c4
TL
910TL/03 Bugzilla 1518: Clarify "condition" processing in routers; that
911 syntax errors in an expansion can be treated as a string instead of
912 logging or causing an error, due to the internal use of bool_lax
913 instead of bool when processing it.
914
0f06b4f2 915JH/02 Add EXPERIMENTAL_DANE, allowing for using the DNS as trust-anchor for
d567a64d
JH
916 server certificates when making smtp deliveries.
917
be36e572
JH
918JH/03 Support secondary-separator specifier for MX, SRV, TLSA lookups.
919
ac4ef9bd
JH
920JH/04 Add ${sort {list}{condition}{extractor}} expansion item.
921
0eb51736
TL
922TL/04 Bugzilla 1216: Add -M (related messages) option to exigrep.
923
c713ca4b
TL
924TL/05 GitHub Issue 18: Adjust logic testing for true/false in redis lookups.
925 Merged patch from Sebastian Wiedenroth.
e449c3b0 926
bd21a787
WB
927JH/05 Fix results-pipe from transport process. Several recipients, combined
928 with certificate use, exposed issues where response data items split
929 over buffer boundaries were not parsed properly. This eventually
930 resulted in duplicates being sent. This issue only became common enough
4c04137d 931 to notice due to the introduction of connection certificate information,
bd21a787
WB
932 the item size being so much larger. Found and fixed by Wolfgang Breyha.
933
8bc732e8
JH
934JH/06 Bug 1533: Fix truncation of items in headers_remove lists. A fixed
935 size buffer was used, resulting in syntax errors when an expansion
936 exceeded it.
937
a7fec7a7
JH
938JH/07 Add support for directories of certificates when compiled with a GnuTLS
939 version 3.3.6 or later.
940
4c04137d 941JH/08 Rename the TPDA experimental facility to Event Actions. The #ifdef
774ef2d7
JH
942 is EXPERIMENTAL_EVENT, the main-configuration and transport options
943 both become "event_action", the variables become $event_name, $event_data
aec45841 944 and $event_defer_errno. There is a new variable $verify_mode, usable in
723fe533
JH
945 routers, transports and related events. The tls:cert event is now also
946 raised for inbound connections, if the main configuration event_action
947 option is defined.
774ef2d7 948
eca4debb
TL
949TL/06 In test suite, disable OCSP for old versions of openssl which contained
950 early OCSP support, but no stapling (appears to be less than 1.0.0).
951
8d692470
JH
952JH/09 When compiled with OpenSSL and EXPERIMENTAL_CERTNAMES, the checks on
953 server certificate names available under the smtp transport option
954 "tls_verify_cert_hostname" now do not permit multi-component wildcard
955 matches.
956
e9477a08
JH
957JH/10 Time-related extraction expansions from certificates now use the main
958 option "timezone" setting for output formatting, and are consistent
959 between OpenSSL and GnuTLS compilations. Bug 1541.
960
ad4c5ff9
JH
961JH/11 Fix a crash in mime ACL when meeting a zero-length, quoted or RFC2047-
962 encoded parameter in the incoming message. Bug 1558.
8dea5edf
JH
963
964JH/12 Bug 1527: Autogrow buffer used in reading spool files. Since they now
965 include certificate info, eximon was claiming there were spoolfile
966 syntax errors.
967
3394b36a 968JH/13 Bug 1521: Fix ldap lookup for single-attr request, multiple-attr return.
8dea5edf
JH
969
970JH/14 Log delivery-related information more consistently, using the sequence
971 "H=<name> [<ip>]" wherever possible.
972
3394b36a
TL
973TL/07 Bug 1547: Omit RFCs from release. Draft and RFCs have licenses which
974 are problematic for Debian distribution, omit them from the release
975 tarball.
976
ad4c5ff9
JH
977JH/15 Updates and fixes to the EXPERIMENTAL_DSN feature.
978
4c04137d 979JH/16 Fix string representation of time values on 64bit time_t architectures.
ad4c5ff9
JH
980 Bug 1561.
981
982JH/17 Fix a null-indirection in certextract expansions when a nondefault
983 output list separator was used.
984
8bc732e8 985
1f0ebb98
TL
986Exim version 4.84
987-----------------
09728d20
TL
988TL/01 Bugzilla 1506: Re-add a 'return NULL' to silence complaints from static
989 checkers that were complaining about end of non-void function with no
990 return.
1f0ebb98 991
a612424f 992JH/01 Bug 1513: Fix parsing of quoted parameter values in MIME headers.
4c04137d 993 This was a regression introduced in 4.83 by another bugfix.
a612424f
JH
994
995JH/02 Fix broken compilation when EXPERIMENTAL_DSN is enabled.
996
997TL/02 Bug 1509: Fix exipick for enhanced spoolfile specification used when
a9b8ec8b 998 EXPERIMENTAL_DSN is enabled. Fix from Wolfgang Breyha.
a612424f 999
1f0ebb98 1000
c0e56233
TF
1001Exim version 4.83
1002-----------------
1003
1004TF/01 Correctly close the server side of TLS when forking for delivery.
1005
1006 When a message was received over SMTP with TLS, Exim failed to clear up
1007 the incoming connection properly after forking off the child process to
1008 deliver the message. In some situations the subsequent outgoing
1009 delivery connection happened to have the same fd number as the incoming
1010 connection previously had. Exim would try to use TLS and fail, logging
1011 a "Bad file descriptor" error.
1012
7245734e
TF
1013TF/02 Portability fix for building lookup modules on Solaris when the xpg4
1014 utilities have not been installed.
1015
fd5dad68
JH
1016JH/01 Fix memory-handling in use of acl as a conditional; avoid free of
1017 temporary space as the ACL may create new global variables.
1018
5428a946
TL
1019TL/01 LDAP support uses per connection or global context settings, depending
1020 upon the detected version of the libraries at build time.
1021
a3c86431
TL
1022TL/02 Experimental Proxy Protocol support: allows a proxied SMTP connection
1023 to extract and use the src ip:port in logging and expansions as if it
8ded8589
TL
1024 were a direct connection from the outside internet. PPv2 support was
1025 updated based on HAProxy spec change in May 2014.
a3c86431 1026
aa26e137
JH
1027JH/02 Add ${listextract {number}{list}{success}{fail}}.
1028
5a1b8443
WB
1029TL/03 Bugzilla 1433: Fix DMARC SEGV with specific From header contents.
1030 Properly escape header and check for NULL return.
1031
72c9e342
PP
1032PP/01 Continue incomplete 4.82 PP/19 by fixing docs too: use dns_dnssec_ok
1033 not dns_use_dnssec.
1034
76f44207
WB
1035JH/03 Bugzilla 1157: support log_selector smtp_confirmation for lmtp.
1036
770747fd
MFM
1037TL/04 Add verify = header_names_ascii check to reject email with non-ASCII
1038 characters in header names, implemented as a verify condition.
1039 Contributed by Michael Fischer v. Mollard.
1040
8ddef691 1041TL/05 Rename SPF condition results err_perm and err_temp to standardized
982650ec
TL
1042 results permerror and temperror. Previous values are deprecated but
1043 still accepted. In a future release, err_perm and err_temp will be
1044 completely removed, which will be a backward incompatibility if the
1045 ACL tests for either of these two old results. Patch contributed by
8ddef691 1046 user bes-internal on the mailing list.
c0e56233 1047
b9c2e32f
AR
1048JH/04 Add ${utf8clean:} operator. Contributed by Alex Rau.
1049
e45a1c37
JH
1050JH/05 Bugzilla 305: Log incoming-TLS details on rejects, subject to log
1051 selectors, in both main and reject logs.
1052
67d81c10
JH
1053JH/06 Log outbound-TLS and port details, subject to log selectors, for a
1054 failed delivery.
1055
b1f8e4f8
JH
1056JH/07 Add malware type "sock" for talking to simple daemon.
1057
511a6c14 1058JH/08 Bugzilla 1371: Add tls_{,try_}verify_hosts to smtp transport.
511a6c14
JH
1059
1060JH/09 Bugzilla 1431: Support (with limitations) headers_add/headers_remove in
1061 routers/transports under cutthrough routing.
214042d2 1062
51c7471d
JH
1063JH/10 Bugzilla 1005: ACL "condition =" should accept values which are negative
1064 numbers. Touch up "bool" conditional to keep the same definition.
1065
3695be34
TL
1066TL/06 Remove duplicated language in spec file from 4.82 TL/16.
1067
1e06383a
TL
1068JH/11 Add dnsdb tlsa lookup. From Todd Lyons.
1069
76146973
JH
1070JH/12 Expand items in router/transport headers_add or headers_remove lists
1071 individually rather than the list as a whole. Bug 1452.
1072
1073 Required for reasonable handling of multiple headers_ options when
1074 they may be empty; requires that headers_remove items with embedded
1075 colons must have them doubled (or the list-separator changed).
1076
8c8b8274
TL
1077TL/07 Add new dmarc expansion variable $dmarc_domain_policy to directly
1078 view the policy declared in the DMARC record. Currently, $dmarc_status
1079 is a combined value of both the record presence and the result of the
1080 analysis.
b1f8e4f8 1081
35aba663
JH
1082JH/13 Fix handling of $tls_cipher et.al. in (non-verify) transport. Bug 1455.
1083
8c51eead 1084JH/14 New options dnssec_request_domains, dnssec_require_domains on the
578897ea
JH
1085 dnslookup router and the smtp transport (applying to the forward
1086 lookup).
8c51eead 1087
deae092e
HS
1088TL/08 Bugzilla 1453: New LDAP "SERVERS=" option allows admin to override list
1089 of ldap servers used for a specific lookup. Patch provided by Heiko
1090 Schlichting.
35aba663 1091
fd3b6a4a 1092JH/18 New options dnssec_lax, dnssec_strict on dnsdb lookups.
4e0983dc 1093 New variable $lookup_dnssec_authenticated for observability.
fd3b6a4a 1094
8d91c6dc
LT
1095TL/09 Bugzilla 609: Add -C option to exiqgrep, specify which exim.conf to use.
1096 Patch submitted by Lars Timman.
1097
2b4a568d
JH
1098JH/19 EXPERIMENTAL_OCSP support under GnuTLS. Bug 1459.
1099
d2af03f4
HS
1100TL/10 Bugzilla 1454: New -oMm option to pass message reference to Exim.
1101 Requires trusted mode and valid format message id, aborts otherwise.
1102 Patch contributed by Heiko Schlichting.
1103
9d1c15ef
JH
1104JH/20 New expansion variables tls_(in,out)_(our,peer)cert, and expansion item
1105 certextract with support for various fields. Bug 1358.
1106
44662487
JH
1107JH/21 Observability of OCSP via variables tls_(in,out)_ocsp. Stapling
1108 is requested by default, modifiable by smtp transport option
6a8a60e0
JH
1109 hosts_request_ocsp.
1110
ed3bba5f 1111JH/22 Expansion operators ${md5:string} and ${sha1:string} can now
6a8a60e0 1112 operate on certificate variables to give certificate fingerprints
9ef9101c 1113 Also new ${sha256:cert_variable}.
44662487 1114
8ccd00b1
JH
1115JH/23 The PRDR feature is moved from being Experimental into the mainline.
1116
8ded8589
TL
1117TL/11 Bug 1119: fix memory allocation in string_printing2(). Patch from
1118 Christian Aistleitner.
1119
f2de3a33
JH
1120JH/24 The OCSP stapling feature is moved from Experimental into the mainline.
1121
6eb02f88
TL
1122TL/12 Bug 1444: Fix improper \r\n sequence handling when writing spool
1123 file. Patch from Wolfgang Breyha.
1124
00bff6f6
JH
1125JH/25 Expand the coverage of the delivery $host and $host_address to
1126 client authenticators run in verify callout. Bug 1476.
1127
071c51f7
JH
1128JH/26 Port service names are now accepted for tls_on_connect_ports, to
1129 align with daemon_smtp_ports. Bug 72.
1130
a6d4c44e
TF
1131TF/03 Fix udpsend. The ip_connectedsocket() function's socket type
1132 support and error reporting did not work properly.
1133
3ae173e7
ACK
1134TL/13 Bug 1495: Exiqgrep check if -C config file specified on cli exists
1135 and is readable. Patch from Andrew Colin Kissa.
1136
c13d09b8
TL
1137TL/14 Enhance documentation of ${run expansion and how it parses the
1138 commandline after expansion, particularly in the case when an
1139 unquoted variable expansion results in an empty value.
1140
0df4ab80
JH
1141JH/27 The TLS SNI feature was broken in 4.82. Fix it.
1142
66be95e0
PP
1143PP/02 Fix internal collision of T_APL on systems which support RFC3123
1144 by renaming away from it. Addresses GH issue 15, reported by
1145 Jasper Wallace.
1146
1bd0d12b
JH
1147JH/28 Fix parsing of MIME headers for parameters with quoted semicolons.
1148
0de7239e
TL
1149TL/15 SECURITY: prevent double expansion in math comparison functions
1150 (can expand unsanitized data). Not remotely exploitable.
1151 CVE-2014-2972
1152
fd3b6a4a 1153
2c422e6f 1154Exim version 4.82
98a90c36
PP
1155-----------------
1156
1157PP/01 Add -bI: framework, and -bI:sieve for querying sieve capabilities.
1158
12f69989
PP
1159PP/02 Make -n do something, by making it not do something.
1160 When combined with -bP, the name of an option is not output.
1161
54c90be1
PP
1162PP/03 Added tls_dh_min_bits SMTP transport driver option, only honoured
1163 by GnuTLS.
1164
1f4a55da
PP
1165PP/04 First step towards DNSSEC, provide $sender_host_dnssec for
1166 $sender_host_name and config options to manage this, and basic check
1167 routines.
1168
13363eba 1169PP/05 DSCP support for outbound connections and control modifier for inbound.
36a3ae5f 1170
66645890 1171PP/06 Cyrus SASL: set local and remote IP;port properties for driver.
e402235f
PP
1172 (Only plugin which currently uses this is kerberos4, which nobody should
1173 be using, but we should make it available and other future plugins might
1174 conceivably use it, even though it would break NAT; stuff *should* be
1175 using channel bindings instead).
66645890 1176
a3fb9793 1177PP/07 Handle "exim -L <tag>" to indicate to use syslog with tag as the process
f4ee74ac
PP
1178 name; added for Sendmail compatibility; requires admin caller.
1179 Handle -G as equivalent to "control = suppress_local_fixups" (we used to
1180 just ignore it); requires trusted caller.
a3fb9793 1181 Also parse but ignore: -Ac -Am -X<logfile>
f4ee74ac 1182 Bugzilla 1117.
a3fb9793 1183
d27f98fe 1184TL/01 Bugzilla 1258 - Refactor MAIL FROM optional args processing.
98a90c36 1185
6822b909
TL
1186TL/02 Add +smtp_confirmation as a default logging option.
1187
e7568d51
TL
1188TL/03 Bugzilla 198 - Implement remove_header ACL modifier.
1189 Patch by Magnus Holmgren from 2007-02-20.
1190
ae0e32ee 1191TL/04 Bugzilla 1281 - Spec typo.
ca0ff207 1192 Bugzilla 1283 - Spec typo.
97f42f10 1193 Bugzilla 1290 - Spec grammar fixes.
ca0ff207
TL
1194
1195TL/05 Bugzilla 1285 - Spec omission, fix docbook errors for spec.txt creation.
ae0e32ee 1196
e2658fff
TL
1197TL/06 Add Experimental DMARC support using libopendmarc libraries.
1198
83712b39
TL
1199TL/07 Fix an out of order global option causing a segfault. Reported to dev
1200 mailing list by by Dmitry Isaikin.
1201
976b7e9f
JH
1202JH/01 Bugzilla 1201 & 304 - New cutthrough-delivery feature, with TLS support.
1203
be4a1376
JH
1204JH/02 Support "G" suffix to numbers in ${if comparisons.
1205
ec4b68e5
PP
1206PP/08 Handle smtp transport tls_sni option forced-fail for OpenSSL.
1207
d7148a07
NM
1208NM/01 Bugzilla 1197 - Spec typo
1209 Bugzilla 1196 - Spec examples corrections
ec4b68e5 1210
585121e2 1211JH/03 Add expansion operators ${listnamed:name} and ${listcount:string}
ec4b68e5 1212
2519e60d
TL
1213PP/09 Add gnutls_allow_auto_pkcs11 option (was originally called
1214 gnutls_enable_pkcs11, but renamed to more accurately indicate its
1215 function.
a5f239e4 1216
13d08c90
PP
1217PP/10 Let Linux makefile inherit CFLAGS/CFLAGS_DYNAMIC.
1218 Pulled from Debian 30_dontoverridecflags.dpatch by Andreas Metzler.
1219
bef3ea7f
JH
1220JH/04 Add expansion item ${acl {name}{arg}...}, expansion condition
1221 "acl {{name}{arg}...}", and optional args on acl condition
1222 "acl = name arg..."
a5f239e4 1223
846726c5
JH
1224JH/05 Permit multiple router/transport headers_add/remove lines.
1225
3a796370
JH
1226JH/06 Add dnsdb pseudo-lookup "a+" to do an "aaaa" + "a" combination.
1227
ea722490 1228JH/07 Avoid using a waiting database for a single-message-only transport.
8b260705
PP
1229 Performance patch from Paul Fisher. Bugzilla 1262.
1230
b1b05573
JH
1231JH/08 Strip leading/trailing newlines from add_header ACL modifier data.
1232 Bugzilla 884.
1233
362145b5
JH
1234JH/09 Add $headers_added variable, with content from use of ACL modifier
1235 add_header (but not yet added to the message). Bugzilla 199.
1236
3c0a92dc
JH
1237JH/10 Add 8bitmime log_selector, for 8bitmime status on the received line.
1238 Pulled from Bugzilla 817 by Wolfgang Breyha.
1239
6d7c6175
PP
1240PP/11 SECURITY: protect DKIM DNS decoding from remote exploit.
1241 CVE-2012-5671
e78e6ecf 1242 (nb: this is the same fix as in Exim 4.80.1)
6d7c6175 1243
6f123593
JH
1244JH/11 Add A= logging on delivery lines, and a client_set_id option on
1245 authenticators.
1246
c8e2fc1e
JH
1247JH/12 Add optional authenticated_sender logging to A= and a log_selector
1248 for control.
1249
005ac57f
PP
1250PP/12 Unbreak server_set_id for NTLM/SPA auth, broken by 4.80 PP/29.
1251
3f1df0e3
PP
1252PP/13 Dovecot auth: log better reason to rejectlog if Dovecot did not
1253 advertise SMTP AUTH mechanism to us, instead of a generic
1254 protocol violation error. Also, make Exim more robust to bad
1255 data from the Dovecot auth socket.
1256
67bd1ab3
TF
1257TF/01 Fix ultimate retry timeouts for intermittently deliverable recipients.
1258
1259 When a queue runner is handling a message, Exim first routes the
1260 recipient addresses, during which it prunes them based on the retry
1261 hints database. After that it attempts to deliver the message to
1262 any remaining recipients. It then updates the hints database using
1263 the retry rules.
1264
1265 So if a recipient address works intermittently, it can get repeatedly
1266 deferred at routing time. The retry hints record remains fresh so the
1267 address never reaches the final cutoff time.
1268
1269 This is a fairly common occurrence when a user is bumping up against
1270 their storage quota. Exim had some logic in its local delivery code
1271 to deal with this. However it did not apply to per-recipient defers
1272 in remote deliveries, e.g. over LMTP to a separate IMAP message store.
1273
1ddeb334
TF
1274 This change adds a proper retry rule check during routing so that the
1275 final cutoff time is checked against the message's age. We only do
1276 this check if there is an address retry record and there is not a
1277 domain retry record; this implies that previous attempts to handle
1278 the address had the retry_use_local_parts option turned on. We use
1279 this as an approximation for the destination being like a local
1280 delivery, as in LMTP.
67bd1ab3
TF
1281
1282 I suspect this new check makes the old local delivery cutoff check
1283 redundant, but I have not verified this so I left the code in place.
1284
326cdc37
TF
1285TF/02 Correct gecos expansion when From: is a prefix of the username.
1286
1287 Test 0254 submits a message to Exim with the header
1288
1289 Resent-From: f
1290
1291 When I ran the test suite under the user fanf2, Exim expanded
1292 the header to contain my full name, whereas it should have added
1293 a Resent-Sender: header. It erroneously treats any prefix of the
1294 username as equal to the username.
1295
1296 This change corrects that bug.
1297
f62514b3
GF
1298GF/01 DCC debug and logging tidyup
1299 Error conditions log to paniclog rather than rejectlog.
1300 Debug lines prefixed by "DCC: " to remove any ambiguity.
1301
eb505532
TF
1302TF/03 Avoid unnecessary rebuilds of lookup-related code.
1303
14c7b357
PP
1304PP/14 Fix OCSP reinitialisation in SNI handling for Exim/TLS as server.
1305 Bug spotted by Jeremy Harris; was flawed since initial commit.
1306 Would have resulted in OCSP responses post-SNI triggering an Exim
1307 NULL dereference and crash.
1308
94eaf700
PP
1309JH/13 Add $router_name and $transport_name variables. Bugzilla 308.
1310
6f5a440a
PP
1311PP/15 Define SIOCGIFCONF_GIVES_ADDR for GNU Hurd.
1312 Bug detection, analysis and fix by Samuel Thibault.
1313 Bugzilla 1331, Debian bug #698092.
1314
514ee161
SC
1315SC/01 Update eximstats to watch out for senders sending 'HELO [IpAddr]'
1316
fd98a5c6
JH
1317JH/14 SMTP PRDR (http://www.eric-a-hall.com/specs/draft-hall-prdr-00.txt).
1318 Server implementation by Todd Lyons, client by JH.
1319 Only enabled when compiled with EXPERIMENTAL_PRDR. A new
1320 config variable "prdr_enable" controls whether the server
1321 advertises the facility. If the client requests PRDR a new
1322 acl_data_smtp_prdr ACL is called once for each recipient, after
1323 the body content is received and before the acl_smtp_data ACL.
4c04137d 1324 The client is controlled by both of: a hosts_try_prdr option
fd98a5c6
JH
1325 on the smtp transport, and the server advertisement.
1326 Default client logging of deliveries and rejections involving
1327 PRDR are flagged with the string "PRDR".
1328
035c7f1e
PP
1329PP/16 Fix problems caused by timeouts during quit ACLs trying to double
1330 fclose(). Diagnosis by Todd Lyons.
1331
ff284120
PP
1332PP/17 Update configure.default to handle IPv6 localhost better.
1333 Patch by Alain Williams (plus minor tweaks).
1334 Bugzilla 880.
1335
26e72755
PP
1336PP/18 OpenSSL made graceful with empty tls_verify_certificates setting.
1337 This is now consistent with GnuTLS, and is now documented: the
1338 previous undocumented portable approach to treating the option as
1339 unset was to force an expansion failure. That still works, and
1340 an empty string is now equivalent.
1341
0fbd9bff
PP
1342PP/19 Renamed DNSSEC-enabling option to "dns_dnssec_ok", to make it
1343 clearer that Exim is using the DO (DNSSEC OK) EDNS0 resolver flag,
1344 not performing validation itself.
1345
700d22f3
PP
1346PP/20 Added force_command boolean option to pipe transport.
1347 Patch from Nick Koston, of cPanel Inc.
1348
fcc8e047
JH
1349JH/15 AUTH support on callouts (and hence cutthrough-deliveries).
1350 Bugzilla 321, 823.
1351
4c04137d 1352TF/04 Added udpsend ACL modifier and hexquote expansion operator
7142daca 1353
8c020188
PP
1354PP/21 Fix eximon continuous updating with timestamped log-files.
1355 Broken in a format-string cleanup in 4.80, missed when I repaired the
1356 other false fix of the same issue.
1357 Report and fix from Heiko Schlichting.
1358 Bugzilla 1363.
1359
d13cdd30
PP
1360PP/22 Guard LDAP TLS usage against Solaris LDAP variant.
1361 Report from Prashanth Katuri.
1362
e2fbf4a2
PP
1363PP/23 Support safari_ecdhe_ecdsa_bug for openssl_options.
1364 It's SecureTransport, so affects any MacOS clients which use the
1365 system-integrated TLS libraries, including email clients.
1366
f4c1088b
PP
1367PP/24 Fix segfault from trying to fprintf() to a NULL stdio FILE* if
1368 using a MIME ACL for non-SMTP local injection.
1369 Report and assistance in diagnosis by Warren Baker.
1370
c5c2182f
PP
1371TL/08 Adjust exiqgrep to be case-insensitive for sender/receiver.
1372
73431ca9
JH
1373JH/16 Fix comparisons for 64b. Bugzilla 1385.
1374
2d07a215
TL
1375TL/09 Add expansion variable $authenticated_fail_id to keep track of
1376 last id that failed so it may be referenced in subsequent ACL's.
1377
a30a8861
TL
1378TL/10 Bugzilla 1375 - Prevent TLS rebinding in ldap. Patch provided by
1379 Alexander Miroch.
1380
33382dd9
TL
1381TL/11 Bugzilla 1382 - Option ldap_require_cert overrides start_tls
1382 ldap library initialization, allowing self-signed CA's to be
1383 used. Also properly sets require_cert option later in code by
1384 using NULL (global ldap config) instead of ldap handle (per
1385 session). Bug diagnosis and testing by alxgomz.
6d7c6175 1386
046172e6
TL
1387TL/12 Enhanced documentation in the ratelimit.pl script provided in
1388 the src/util/ subdirectory.
1389
581d7bee 1390TL/13 Bug 1031 - Imported transport SQL logging patch from Axel Rau
1a7b746d 1391 renamed to Transport Post Delivery Action by Jeremy Harris, as
9bdd29ad
TL
1392 EXPERIMENTAL_TPDA.
1393
1394TL/14 Bugzilla 1217 - Redis lookup support has been added. It is only enabled
1395 when Exim is compiled with EXPERIMENTAL_REDIS. A new config variable
1396 redis_servers = needs to be configured which will be used by the redis
1397 lookup. Patch from Warren Baker, of The Packet Hub.
1398
237b2cf2
TL
1399TL/15 Fix exiqsumm summary for corner case. Patch provided by Richard Hall.
1400
9fc5a352
TL
1401TL/16 Bugzilla 1289 - Clarify host/ip processing when have errors looking up a
1402 hostname or reverse DNS when processing a host list. Used suggestions
1403 from multiple comments on this bug.
1a7b746d 1404
b10e4ec2
TL
1405TL/17 Bugzilla 1057 - Multiple clamd TCP targets patch from Mark Zealey.
1406
e2cebd74
TL
1407TL/18 Had previously added a -CONTINUE option to runtest in the test suite.
1408 Missed a few lines, added it to make the runtest require no keyboard
1409 interaction.
1410
1411TL/19 Bugzilla 1402 - Test 533 fails if any part of the path to the test suite
1412 contains upper case chars. Make router use caseful_local_part.
1413
2519e60d
TL
1414TL/20 Bugzilla 1400 - Add AVOID_GNUTLS_PKCS11 build option. Allows GnuTLS
1415 support when GnuTLS has been built with p11-kit.
1416
e78e6ecf 1417
4263f395
PP
1418Exim version 4.80.1
1419-------------------
1420
1421PP/01 SECURITY: protect DKIM DNS decoding from remote exploit.
1422 CVE-2012-5671
2c422e6f 1423 This, or similar/improved, will also be change PP/11 of 4.82.
3c0a92dc 1424
ea722490 1425
b1770b6e 1426Exim version 4.80
0599f9cf
PP
1427-----------------
1428
1429PP/01 Handle short writes when writing local log-files.
1430 In practice, only affects FreeBSD (8 onwards).
1431 Bugzilla 1053, with thanks to Dmitry Isaikin.
1432
23c7e742
NM
1433NM/01 Bugzilla 949 - Documentation tweak
1434
b322aac8
NM
1435NM/02 Bugzilla 1093 - eximstats DATA reject detection regexps
1436 improved.
1437
4a891427
NM
1438NM/03 Bugzilla 1169 - primary_hostname spelling was incorrect in docs.
1439
c1e794ba 1440PP/02 Implemented gsasl authenticator.
b322aac8 1441
97753960
PP
1442PP/03 Implemented heimdal_gssapi authenticator with "server_keytab" option.
1443
1444PP/04 Local/Makefile support for (AUTH|LOOKUP)_*_PC=foo to use
1445 `pkg-config foo` for cflags/libs.
1446
df6303fa
PP
1447PP/05 Swapped $auth1/$auth2 for gsasl GSSAPI mechanism, to be more consistent
1448 with rest of GSASL and with heimdal_gssapi.
1449
7e6a8985
PP
1450PP/06 Local/Makefile support for USE_(GNUTLS|OPENSSL)_PC=foo to use
1451 `pkg-config foo` for cflags/libs for the TLS implementation.
1452
f1e05cc7 1453PP/07 New expansion variable $tls_bits; Cyrus SASL server connection
20aa9dbd
PP
1454 properties get this fed in as external SSF. A number of robustness
1455 and debugging improvements to the cyrus_sasl authenticator.
b322aac8 1456
4c287009
PP
1457PP/08 cyrus_sasl server now expands the server_realm option.
1458
b98bb9ac
PP
1459PP/09 Bugzilla 1214 - Log authentication information in reject log.
1460 Patch by Jeremy Harris.
1461
4a6a987a
PP
1462PP/10 Added dbmjz lookup type.
1463
c45dd180 1464PP/11 Let heimdal_gssapi authenticator take a SASL message without an authzid.
c7955b11 1465
7db8d074
PP
1466PP/12 MAIL args handles TAB as well as SP, for better interop with
1467 non-compliant senders.
1468 Analysis and variant patch by Todd Lyons.
1469
eae0036b 1470NM/04 Bugzilla 1237 - fix cases where printf format usage not indicated
cfab9d68 1471 Bug report from Lars Müller <lars@samba.org> (via SUSE),
e0df1c83
DM
1472 Patch from Dirk Mueller <dmueller@suse.com>
1473
dec5017e
PP
1474PP/13 tls_peerdn now print-escaped for spool files.
1475 Observed some $tls_peerdn in wild which contained \n, which resulted
1476 in spool file corruption.
1477
c80c5570
PP
1478PP/14 TLS fixes for OpenSSL: support TLS 1.1 & 1.2; new "openssl_options"
1479 values; set SSL_MODE_AUTO_RETRY so that OpenSSL will retry a read
1480 or write after TLS renegotiation, which otherwise led to messages
1481 "Got SSL error 2".
1482
076b11e2
PP
1483TK/01 Bugzilla 1239 - fix DKIM verification when signature was not inserted
1484 as a tracking header (ie: a signed header comes before the signature).
1485 Patch from Wolfgang Breyha.
1486
5407bfff
JH
1487JH/01 Bugzilla 660 - Multi-valued attributes from ldap now parseable as a
1488 comma-sep list; embedded commas doubled.
1489
9e45c72b
PP
1490JH/02 Refactored ACL "verify =" logic to table-driven dispatch.
1491
e74376d8
PP
1492PP/15 LDAP: Check for errors of TLS initialisation, to give correct
1493 diagnostics.
1494 Report and patch from Dmitry Banschikov.
1495
4c04137d 1496PP/16 Removed "dont_insert_empty_fragments" from "openssl_options".
da3ad30d
PP
1497 Removed SSL_clear() after SSL_new() which led to protocol negotiation
1498 failures. We appear to now support TLS1.1+ with Exim.
1499
7be682ca
PP
1500PP/17 OpenSSL: new expansion var $tls_sni, which if used in tls_certificate
1501 lets Exim select keys and certificates based upon TLS SNI from client.
3f0945ff
PP
1502 Also option tls_sni on SMTP Transports. Also clear $tls_bits correctly
1503 before an outbound SMTP session. New log_selector, +tls_sni.
7be682ca 1504
ef840681
PP
1505PP/18 Bugzilla 1122 - check localhost_number expansion for failure, avoid
1506 NULL dereference. Report and patch from Alun Jones.
1507
5bfb4cdf
PP
1508PP/19 DNS resolver init changes for NetBSD compatibility. (Risk of breakage
1509 on less well tested platforms). Obviates NetBSD pkgsrc patch-ac.
1510 Not seeing resolver debug output on NetBSD, but suspect this is a
1511 resolver implementation change.
1512
c6e95d22
PP
1513PP/20 Revert part of NM/04, it broke log_path containing %D expansions.
1514 Left warnings. Added "eximon gdb" invocation mode.
1515
9cbad13b
PP
1516PP/21 Defaulting "accept_8bitmime" to true, not false.
1517
9ee44efb
PP
1518PP/22 Added -bw for inetd wait mode support.
1519
6a6084f8
PP
1520PP/23 Added PCRE_CONFIG=yes support to Makefile for using pcre-config to
1521 locate the relevant includes and libraries. Made this the default.
1522
12dd53c7
PP
1523PP/24 Fixed headers_only on smtp transports (was not sending trailing dot).
1524 Bugzilla 1246, report and most of solution from Tomasz Kusy.
1525
9e45c72b 1526JH/03 ${eval } now uses 64-bit and supports a "g" suffix (like to "k" and "m").
97d17305
JH
1527 This may cause build issues on older platforms.
1528
17c76198
PP
1529PP/25 Revamped GnuTLS support, passing tls_require_ciphers to
1530 gnutls_priority_init, ignoring Exim options gnutls_require_kx,
1531 gnutls_require_mac & gnutls_require_protocols (no longer supported).
1532 Added SNI support via GnuTLS too.
af3498d6 1533 Made ${randint:..} supplier available, if using not-too-old GnuTLS.
17c76198 1534
53947857 1535PP/26 Added EXPERIMENTAL_OCSP for OpenSSL.
3f7eeb86 1536
eae0036b 1537PP/27 Applied dnsdb SPF support patch from Janne Snabb.
8ee4b30e
PP
1538 Applied second patch from Janne, implementing suggestion to default
1539 multiple-strings-in-record handling to match SPF spec.
eae0036b 1540
9e45c72b 1541JH/04 Added expansion variable $tod_epoch_l for a higher-precision time.
2605c55b 1542
7390e768
PP
1543PP/28 Fix DCC dcc_header content corruption (stack memory referenced,
1544 read-only, out of scope).
1545 Patch from Wolfgang Breyha, report from Stuart Northfield.
1546
08488c86
PP
1547PP/29 Fix three issues highlighted by clang analyser static analysis.
1548 Only crash-plausible issue would require the Cambridge-specific
1549 iplookup router and a misconfiguration.
1550 Report from Marcin Mirosław.
1551
6475bd82
PP
1552PP/30 Another attempt to deal with PCRE_PRERELEASE, this one less buggy.
1553
81f91683
PP
1554PP/31 %D in printf continues to cause issues (-Wformat=security), so for
1555 now guard some of the printf checks behind WANT_DEEPER_PRINTF_CHECKS.
1556 As part of this, removing so much warning spew let me fix some minor
1557 real issues in debug logging.
1558
5779e6aa
PP
1559PP/32 GnuTLS was always using default tls_require_ciphers, due to a missing
1560 assignment on my part. Fixed.
1561
3375e053
PP
1562PP/33 Added tls_dh_max_bits option, defaulting to current hard-coded limit
1563 of NSS, for GnuTLS/NSS interop. Problem root cause diagnosis by
1564 Janne Snabb (who went above and beyond: thank you).
1565
1566PP/34 Validate tls_require_ciphers on startup, since debugging an invalid
1567 string otherwise requires a connection and a bunch more work and it's
78e0c7a3
PP
1568 relatively easy to get wrong. Should also expose TLS library linkage
1569 problems.
3375e053 1570
9d26b8c0
PP
1571PP/35 Pull in <features.h> on Linux, for some portability edge-cases of
1572 64-bit ${eval} (JH/03).
1573
57eb9e91 1574PP/36 Define _GNU_SOURCE in exim.h; it's needed for some releases of
b87a6e0e
PP
1575 GNU libc to support some of the 64-bit stuff, should not lead to
1576 conflicts. Defined before os.h is pulled in, so if a given platform
1577 needs to override this, it can.
1578
16880d1a
PP
1579PP/37 Unbreak Cyrus SASL auth: SSF retrieval was incorrect, Exim thought
1580 protection layer was required, which is not implemented.
1581 Bugzilla 1254, patch from Wolfgang Breyha.
1582
a799883d
PP
1583PP/38 Overhaul DH prime handling, supply RFC-specified DH primes as built
1584 into Exim, default to IKE id 23 from RFC 5114 (2048 bit). Make
1585 tls_dhparam take prime identifiers. Also unbreak combination of
1586 OpenSSL+DH_params+TLSSNI.
1587
3ecab157 1588PP/39 Disable SSLv2 by default in OpenSSL support.
f0f5a555 1589
0599f9cf 1590
867fcbf5
PP
1591Exim version 4.77
1592-----------------
1593
1594PP/01 Solaris build fix for Oracle's LDAP libraries.
1595 Bugzilla 1109, patch from Stephen Usher.
1596
f1a29782
TF
1597TF/01 HP/UX build fix: avoid arithmetic on a void pointer.
1598
ab42bd23
TK
1599TK/01 DKIM Verification: Fix relaxed canon for empty headers w/o
1600 whitespace trailer
867fcbf5 1601
0ca0cf52
TF
1602TF/02 Fix a couple more cases where we did not log the error message
1603 when unlink() failed. See also change 4.74-TF/03.
1604
921b12ca
TF
1605TF/03 Make the exiwhat support code safe for signals. Previously Exim might
1606 lock up or crash if it happened to be inside a call to libc when it
1607 got a SIGUSR1 from exiwhat.
1608
1609 The SIGUSR1 handler appends the current process status to the process
1610 log which is later printed by exiwhat. It used to use the general
1611 purpose logging code to do this, but several functions it calls are
1612 not safe for signals.
1613
1614 The new output code in the SIGUSR1 handler is specific to the process
1615 log, and simple enough that it's easy to inspect for signal safety.
1616 Removing some special cases also simplifies the general logging code.
1617 Removing the spurious timestamps from the process log simplifies
1618 exiwhat.
1619
c99ce5c9
TF
1620TF/04 Improved ratelimit ACL condition.
1621
1622 The /noupdate option has been deprecated in favour of /readonly which
1623 has clearer semantics. The /leaky, /strict, and /readonly update modes
1624 are mutually exclusive. The update mode is no longer included in the
1625 database key; it just determines when the database is updated. (This
4c04137d 1626 means that when you upgrade Exim will forget old rate measurements.)
c99ce5c9
TF
1627
1628 Exim now checks that the per_* options are used with an update mode that
1629 makes sense for the current ACL. For example, when Exim is processing a
1630 message (e.g. acl_smtp_rcpt or acl_smtp_data, etc.) you can specify
1631 per_mail/leaky or per_mail/strict; otherwise (e.g. in acl_smtp_helo) you
1632 must specify per_mail/readonly. If you omit the update mode it defaults to
1633 /leaky where that makes sense (as before) or /readonly where required.
1634
1635 The /noupdate option is now undocumented but still supported for
1636 backwards compatibility. It is equivalent to /readonly except that in
1637 ACLs where /readonly is required you may specify /leaky/noupdate or
1638 /strict/noupdate which are treated the same as /readonly.
1639
1640 A useful new feature is the /count= option. This is a generalization
1641 of the per_byte option, so that you can measure the throughput of other
1642 aggregate values. For example, the per_byte option is now equivalent
1643 to per_mail/count=${if >{0}{$message_size} {0} {$message_size} }.
1644
1645 The per_rcpt option has been generalized using the /count= mechanism
1646 (though it's more complicated than the per_byte equivalence). When it is
1647 used in acl_smtp_rcpt, the per_rcpt option adds recipients to the
1648 measured rate one at a time; if it is used later (e.g. in acl_smtp_data)
1649 or in a non-SMTP ACL it adds all the recipients in one go. (The latter
1650 /count=$recipients_count behaviour used to work only in non-SMTP ACLs.)
1651 Note that using per_rcpt with a non-readonly update mode in more than
1652 one ACL will cause the recipients to be double-counted. (The per_mail
1653 and per_byte options don't have this problem.)
1654
1655 The handling of very low rates has changed slightly. If the computed rate
1656 is less than the event's count (usually one) then this event is the first
1657 after a long gap. In this case the rate is set to the same as this event's
1658 count, so that the first message of a spam run is counted properly.
1659
1660 The major new feature is a mechanism for counting the rate of unique
1661 events. The new per_addr option counts the number of different
1662 recipients that someone has sent messages to in the last time period. It
1663 behaves like per_rcpt if all the recipient addresses are different, but
1664 duplicate recipient addresses do not increase the measured rate. Like
1665 the /count= option this is a general mechanism, so the per_addr option
1666 is equivalent to per_rcpt/unique=$local_part@$domain. You can, for
1667 example, measure the rate that a client uses different sender addresses
1668 with the options per_mail/unique=$sender_address. There are further
1669 details in the main documentation.
1670
3634fc25
TF
1671TF/05 Removed obsolete $Cambridge$ CVS revision strings.
1672
792e8a19
TF
1673TF/06 Removed a few PCRE remnants.
1674
5901f0ab
TF
1675TF/07 Automatically extract Exim's version number from tags in the git
1676 repository when doing development or release builds.
1677
7f2a2a43
PP
1678PP/02 Raise smtp_cmd_buffer_size to 16kB.
1679 Bugzilla 879. Patch from Paul Fisher.
e2ca7082 1680
061b7ebd
PP
1681PP/03 Implement SSL-on-connect outbound with protocol=smtps on smtp transport.
1682 Heavily based on revision 40f9a89a from Simon Arlott's tree.
1683 Bugzilla 97.
1684
e12f8c32
PP
1685PP/04 Use .dylib instead of .so for dynamic library loading on MacOS.
1686
9e949f00 1687PP/05 Variable $av_failed, true if the AV scanner deferred.
7f2a2a43
PP
1688 Bugzilla 1078. Patch from John Horne.
1689
1690PP/06 Stop make process more reliably on build failure.
1691 Bugzilla 1087. Patch from Heiko Schlittermann.
9e949f00 1692
555ae6af 1693PP/07 Make maildir_use_size_file an _expandable_ boolean.
ac53fcda
PP
1694 Bugzilla 1089. Patch from Heiko Schlittermann.
1695
1696PP/08 Handle ${run} returning more data than OS pipe buffer size.
1697 Bugzilla 1131. Patch from Holger Weiß.
555ae6af 1698
6f7fe114
PP
1699PP/09 Handle IPv6 addresses with SPF.
1700 Bugzilla 860. Patch from Wolfgang Breyha.
1701
c566dd90
PP
1702PP/10 GnuTLS: support TLS 1.2 & 1.1.
1703 Bugzilla 1156.
89f897c3
PP
1704 Use gnutls_certificate_verify_peers2() [patch from Andreas Metzler].
1705 Bugzilla 1095.
c566dd90 1706
d6cc7c78 1707PP/11 match_* no longer expand right-hand-side by default.
39257585
PP
1708 New compile-time build option, EXPAND_LISTMATCH_RHS.
1709 New expansion conditions, "inlist", "inlisti".
1710
0d0e4455
PP
1711PP/12 fix uninitialised greeting string from PP/03 (smtps client support).
1712
3399bb60 1713PP/13 shell and compiler warnings fixes for RC1-RC4 changes.
d690cbdc
PP
1714
1715PP/14 fix log_write() format string regression from TF/03.
1716 Bugzilla 1152. Patch from Dmitry Isaikin.
1717
0ca0cf52 1718
10906672
PP
1719Exim version 4.76
1720-----------------
1721
1722PP/01 The new ldap_require_cert option would segfault if used. Fixed.
1723
754a0503
PP
1724PP/02 Harmonised TLS library version reporting; only show if debugging.
1725 Layout now matches that introduced for other libraries in 4.74 PP/03.
1726
c0c7b2da
PP
1727PP/03 New openssl_options items: no_sslv2 no_sslv3 no_ticket no_tlsv1
1728
e97d1f08
PP
1729PP/04 New "dns_use_edns0" global option.
1730
084c1d8c
PP
1731PP/05 Don't segfault on misconfiguration of ref:name exim-user as uid.
1732 Bugzilla 1098.
1733
4e7ee012
PP
1734PP/06 Extra paranoia around buffer usage at the STARTTLS transition.
1735 nb: Exim is not vulnerable to http://www.kb.cert.org/vuls/id/555316
da80c2a8 1736
c8d52a00
PP
1737TK/01 Updated PolarSSL code to 0.14.2.
1738 Bugzilla 1097. Patch from Andreas Metzler.
1739
54e7ce4a
PP
1740PP/07 Catch divide-by-zero in ${eval:...}.
1741 Fixes bugzilla 1102.
1742
5ee6f336
PP
1743PP/08 Condition negation of bool{}/bool_lax{} did not negate. Fixed.
1744 Bugzilla 1104.
1745
c8d52a00 1746TK/02 Bugzilla 1106: CVE-2011-1764 - DKIM log line was subject to a
6ea4a851
PP
1747 format-string attack -- SECURITY: remote arbitrary code execution.
1748
1749TK/03 SECURITY - DKIM signature header parsing was double-expanded, second
1750 time unintentionally subject to list matching rules, letting the header
1751 cause arbitrary Exim lookups (of items which can occur in lists, *not*
1752 arbitrary string expansion). This allowed for information disclosure.
1753
1754PP/09 Fix another SIGFPE (x86) in ${eval:...} expansion, this time related to
1755 INT_MIN/-1 -- value coerced to INT_MAX.
c8d52a00 1756
10906672 1757
aa097c4c
NM
1758Exim version 4.75
1759-----------------
1760
4c04137d 1761NM/01 Workaround for PCRE version dependency in version reporting
aa097c4c
NM
1762 Bugzilla 1073
1763
7f3d9eff
TF
1764TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
1765 This fixes portability to compilers other than gcc, notably
1766 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
1767
159f52d2
TF
1768TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
1769 makefiles for portability to HP-UX and POSIX correctness.
1770
0cc9542a
PP
1771PP/01 Permit LOOKUP_foo enabling on the make command-line.
1772 Also via indented variable definition in the Makefile.
1773 (Debugging by Oliver Heesakkers).
1774
f7274286
PP
1775PP/02 Restore caching of spamd results with expanded spamd_address.
1776 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
1777
7b797365
PP
1778PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
1779 Improves build reliability. Fix from: Frank Elsner
1780
caacae52
NM
1781NM/02 Fix wide character breakage in the rfc2047 coding
1782 Fixes bug 1064. Patch from Andrey N. Oktyabrski
1783
09dcaba9
NM
1784NM/03 Allow underscore in dnslist lookups
1785 Fixes bug 1026. Patch from Graeme Fowler
1786
bc19a55b
PP
1787PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
1788 Code patches from Adam Ciarcinski of NetBSD.
caacae52 1789
bd4c9759
NM
1790NM/04 Fixed exiqgrep to cope with mailq missing size issue
1791 Fixes bug 943.
1792
b72aab72
PP
1793PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
1794 is logged, to avoid truncation. Patch from John Horne.
1795
2fe76745
PP
1796PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
1797 Patch from Jakob Hirsch.
1798
76aa570c
PP
1799PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
1800 SQL string expansion failure details.
1801 Patch from Andrey Oktyabrski.
1802
f1e5fef5
PP
1803PP/08 Bugzilla 486: implement %M datestamping in log filenames.
1804 Patch from Simon Arlott.
1805
4d805ee9
PP
1806PP/09 New lookups functionality failed to compile on old gcc which rejects
1807 extern declarations in function scope.
1808 Patch from Oliver Fleischmann
1809
cd59ab18
PP
1810PP/10 Use sig_atomic_t for flags set from signal handlers.
1811 Check getgroups() return and improve debugging.
1812 Fixed developed for diagnosis in bug 927 (which turned out to be
1813 a kernel bug).
1814
332f5cf3
PP
1815PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
1816 Patch from Mark Zealey.
1817
29cfeb94
PP
1818PP/12 Bugzilla 1056: Improved spamd server selection.
1819 Patch from Mark Zealey.
1820
660242ad
PP
1821PP/13 Bugzilla 1086: Deal with maildir quota file races.
1822 Based on patch from Heiko Schlittermann.
1823
bc4bc4c5
PP
1824PP/14 Bugzilla 1019: DKIM multiple signature generation fix.
1825 Patch from Uwe Doering, sign-off by Michael Haardt.
1826
2e64baa9
NM
1827NM/05 Fix to spam.c to accommodate older gcc versions which dislike
1828 variable declaration deep within a block. Bug and patch from
1829 Dennis Davis.
1830
4c04137d 1831PP/15 lookups-Makefile IRIX compatibility coercion.
bddd7526 1832
6bac1a9a
PP
1833PP/16 Make DISABLE_DKIM build knob functional.
1834
552193f0
NM
1835NM/06 Bugzilla 968: child_open_uid: restore default SIGPIPE handler
1836 Patch by Simon Arlott
baeee2c1 1837
1b587e48
TF
1838TF/03 Fix valgrind.h portability to C89 compilers that do not support
1839 variable argument macros. Our copy now differs from upstream.
1840
aa097c4c 1841
8c07b69f
TF
1842Exim version 4.74
1843-----------------
1844
1845TF/01 Failure to get a lock on a hints database can have serious
1846 consequences so log it to the panic log.
1847
c0ea85ab
TF
1848TF/02 Log LMTP confirmation messages in the same way as SMTP,
1849 controlled using the smtp_confirmation log selector.
1850
0761d44e
TF
1851TF/03 Include the error message when we fail to unlink a spool file.
1852
0a349494
PP
1853DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
1854 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
1855 for maintaining out-of-tree patches for some time.
1856
1857PP/01 Bugzilla 139: Documentation and portability issues.
1858 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
1859 Handle per-OS dynamic-module compilation flags.
1860
fea24b2e
PP
1861PP/02 Let /dev/null have normal permissions.
1862 The 4.73 fixes were a little too stringent and complained about the
1863 permissions on /dev/null. Exempt it from some checks.
1864 Reported by Andreas M. Kirchwitz.
1865
6545de78
PP
1866PP/03 Report version information for many libraries, including
1867 Exim version information for dynamically loaded libraries. Created
1868 version.h, now support a version extension string for distributors
1869 who patch heavily. Dynamic module ABI change.
1870
1670ef10
PP
1871PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
1872 privilege escalation vulnerability whereby the Exim run-time user
1873 can cause root to append content of the attacker's choosing to
1874 arbitrary files.
1875
c0886197
PP
1876PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
1877 (Wolfgang Breyha)
1878
b7487bce
PP
1879PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
1880 If dropping privileges for untrusted macros, we disabled normal logging
1881 on the basis that it would fail; for the Exim run-time user, this is not
1882 the case, and it resulted in successful deliveries going unlogged.
1883 Fixed. Reported by Andreas Metzler.
1884
8c07b69f 1885
97fd1e48 1886Exim version 4.73
ed7f7860 1887-----------------
97fd1e48
PP
1888
1889PP/01 Date: & Message-Id: revert to normally being appended to a message,
1890 only prepend for the Resent-* case. Fixes regression introduced in
1891 Exim 4.70 by NM/22 for Bugzilla 607.
1892
6901c596
PP
1893PP/02 Include check_rfc2047_length in configure.default because we're seeing
1894 increasing numbers of administrators be bitten by this.
1895
a8c8d6b5
JJ
1896JJ/01 Added DISABLE_DKIM and comment to src/EDITME
1897
77bb000f
PP
1898PP/03 Bugzilla 994: added openssl_options main configuration option.
1899
a29e5231
PP
1900PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
1901
ec5a0394 1902PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 1903
55c75993
PP
1904PP/06 Adjust NTLM authentication to handle SASL Initial Response.
1905
453a6645 1906PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
1907 without a peer certificate, leading to a segfault because of an
1908 assumption that peers always have certificates. Be a little more
453a6645
PP
1909 paranoid. Problem reported by Martin Tscholak.
1910
8544e77a
PP
1911PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
1912 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
1913 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
1914 CL also introduces -bmalware, various -d+acl logging additions and
1915 more caution in buffer sizes.
8544e77a 1916
83e029d5
PP
1917PP/09 Implemented reverse_ip expansion operator.
1918
ed7f7860
PP
1919PP/10 Bugzilla 937: provide a "debug" ACL control.
1920
7d9f747b
PP
1921PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
1922
4b2241d2
PP
1923PP/12 Bugzilla 973: Implement --version.
1924
10385c15
PP
1925PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
1926
dbc4b90d
PP
1927PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
1928
532be449
PP
1929PP/15 Bugzilla 816: support multiple condition rules on Routers.
1930
6a8de854 1931PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
1932 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
1933 ignore trailing whitespace.
6a8de854 1934
5dc43717
JJ
1935JJ/02 prevent non-panic DKIM error from being sent to paniclog
1936
1937JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
1938 "exim" to be used
55c75993 1939
3346ab01
PP
1940PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
1941 Notification from Dr Andrew Aitchison.
1942
491fab4c
PP
1943PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
1944 ExtendedDetectionInfo response format.
1945 Notification from John Horne.
1946
13eb9497
PP
1947PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
1948 compatible.
1949
1950PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
1951 XSL and documented dependency on system catalogs, with examples of how
1952 it normally works.
1953
7f36d675
DW
1954DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
1955 access.
1956
c1d94452
DW
1957DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
1958 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
1959 configuration file which is writeable by the Exim user or group.
1960
e2f5dc15
DW
1961DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
1962 of configuration files to cover files specified with the -C option if
1963 they are going to be used with root privileges, not just the default
1964 configuration file.
1965
cd25e41d
DW
1966DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
1967 option (effectively making it always true).
1968
261dc43e
DW
1969DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
1970 files to be used while preserving root privileges.
1971
fa32850b
DW
1972DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
1973 that rogue child processes cannot use them.
1974
79d4bc3d
PP
1975PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
1976 run-time user, instead of root.
1977
43236f35 1978PP/28 Add WHITELIST_D_MACROS option to let some macros be overridden by the
2cfd3221
PP
1979 Exim run-time user without dropping privileges.
1980
fb08281f
DW
1981DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
1982 result string, instead of calling string_vformat() twice with the same
1983 arguments.
3346ab01 1984
74935b98
DW
1985DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
1986 for other users. Others should always drop root privileges if they use
1987 -C on the command line, even for a whitelisted configure file.
1988
90b6341f
DW
1989DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
1990
57730b52
ML
1991NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
1992
66581d1e 1993
465e92cf
JJ
1994Exim version 4.72
1995-----------------
1996
453a6645
PP
1997JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
1998 $data_path, and $header_path variables; fixed documentation bugs and
1999 typos
465e92cf 2000
453a6645
PP
2001JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
2002 exipick to access non-standard spools, including the "frozen" queue
2003 (Finput)
edae0343 2004
9bd3e22c
NM
2005NM/01 Bugzilla 965: Support mysql stored procedures.
2006 Patch from Alain Williams
2007
bb576ff7
NM
2008NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
2009
5a1a5845
NM
2010NM/03 Bugzilla 955: Documentation fix for max_rcpts.
2011 Patch from Andreas Metzler
2012
981a9fad
NM
2013NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
2014 Patch from Kirill Miazine
2015
7fc497ee
NM
2016NM/05 Bugzilla 671: Added umask to procmail example.
2017
1a41defa
JJ
2018JJ/03 installed exipick 20100323.0, fixing doc bug
2019
a466095c 2020NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 2021 directory. Notification and patch from Dan Rosenberg.
a466095c 2022
94a6bd0b
NM
2023TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
2024
2025TK/02 Improve log output when DKIM signing operation fails.
2026
2027MH/01 Treat the transport option dkim_domain as a colon separated
2028 list, not as a single string, and sign the message with each element,
2029 omitting multiple occurences of the same signer.
2030
c1b141a8
NM
2031NM/07 Null terminate DKIM strings, Null initialise DKIM variable
2032 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 2033
b26eacf1 2034NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
2035 Patch by Simon Arlott
2036
179c5980 2037PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 2038 MBX locking. Notification from Dan Rosenberg.
179c5980 2039
9bd3e22c 2040
7c6d71af
NM
2041Exim version 4.71
2042-----------------
2043
7d9f747b 2044TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 2045
f013fb92
NM
2046NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
2047
0eb8eedd
NM
2048NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
2049
663ee6d9
NM
2050NM/03 Bugzilla 847: Enable DNSDB lookup by default.
2051
177ebd9b
NM
2052NM/04 Bugzilla 915: Flag broken perl installation during build.
2053
7c6d71af 2054
210f147e
NM
2055Exim version 4.70
2056-----------------
2057
cdd3bb85 2058TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 2059 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
2060
2061TK/02 Write list of recipients to X-Envelope-Sender header when building
2062 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 2063 Hirsch).
cdd3bb85
TK
2064
2065TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
2066 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 2067 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
2068
2069TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
2070 by Mark Daniel Reidel <mr@df.eu>.
2071
210f147e
NM
2072NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
2073 When building exim an external PCRE library is now needed -
2074 PCRE is a system library on the majority of modern systems.
2075 See entry on PCRE_LIBS in EDITME file.
2076
deafd5b3
NM
2077NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
2078 conversation. Added nologin parameter to request.
7d9f747b 2079 Patch contributed by Kirill Miazine.
deafd5b3 2080
089793a4
TF
2081TF/01 Do not log submission mode rewrites if they do not change the address.
2082
5f16ca82
TF
2083TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
2084
dae9d94e 2085NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 2086 log files in place. Contributed by Roberto Lima.
dae9d94e 2087
7d9f747b 2088NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 2089
06864c44
TF
2090TF/03 Bugzilla 615: When checking the local_parts router precondition
2091 after a local_part_suffix or local_part_prefix option, Exim now
2092 does not use the address's named list lookup cache, since this
2093 contains cached lookups for the whole local part.
2094
65a7d8c3 2095NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 2096 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 2097
23510047 2098TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 2099
7d9f747b 2100NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 2101
7d8eec3a 2102NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 2103 Patch provided by Jan Srzednicki.
6c588e74 2104
89dec7b6
TF
2105TF/05 Leading white space used to be stripped from $spam_report which
2106 wrecked the formatting. Now it is preserved.
5f28a6e8 2107
a99de90c
TF
2108TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
2109 that they are available at delivery time.
2110
e2803e40
TF
2111TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
2112
7199e1ee
TF
2113TF/08 TLS error reporting now respects the incoming_interface and
2114 incoming_port log selectors.
2115
e276e04b
TF
2116TF/09 Produce a more useful error message if an SMTP transport's hosts
2117 setting expands to an empty string.
2118
ce552449 2119NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 2120 Patch provided by Phil Pennock.
ce552449 2121
e765a0f1 2122NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 2123 Patch provided by Richard Godbee.
e765a0f1 2124
4f054c63 2125NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 2126 acl_smtp_notquit, added index entry.
4f054c63 2127
7d9f747b
PP
2128NM/09 Bugzilla 787: Potential buffer overflow in string_format.
2129 Patch provided by Eugene Bujak.
24c929a2 2130
7d9f747b
PP
2131NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
2132 accept(). Patch provided by Maxim Dounin.
cf73943b 2133
b52bc06e 2134NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 2135 Patch provided by Phil Pennock.
b52bc06e 2136
447de4b0
NM
2137NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
2138
4c69d561 2139NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 2140 Patch provided by Brad "anomie" Jorsch.
4c69d561 2141
d5c39246 2142NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 2143 Patch provided by Dean Brooks.
9b989985 2144
0b23848a
TK
2145TK/05 Add native DKIM support (does not depend on external libraries).
2146
8f3414a1 2147NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 2148 Patch provided by Graeme Fowler.
e2aacdfd 2149
fb6f955d
NM
2150NM/16 Bugzilla 851: Documentation example syntax fix.
2151
2152NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 2153
7d9f747b
PP
2154NM/18 Bugzilla 894: Fix issue with very long lines including comments in
2155 lsearch.
dbb0bf41 2156
7d9f747b
PP
2157NM/19 Bugzilla 745: TLS version reporting.
2158 Patch provided by Phil Pennock.
f3766eb5 2159
7d9f747b
PP
2160NM/20 Bugzilla 167: bool: condition support.
2161 Patch provided by Phil Pennock.
36f12725 2162
7d9f747b
PP
2163NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
2164 clients. Patch provided by Phil Pennock.
e6060e2c 2165
7d9f747b
PP
2166NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
2167 Patch provided by Brad "anomie" Jorsch.
5eb690a1 2168
7d9f747b
PP
2169NM/23 Bugzilla 687: Fix misparses in eximstats.
2170 Patch provided by Heiko Schlittermann.
d5c13d66 2171
7d9f747b
PP
2172NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
2173 Patch provided by Heiko Schlittermann.
b2335c0b 2174
7d9f747b 2175NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 2176 plus update to original patch.
f4cd9433 2177
7d9f747b 2178NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 2179
7d9f747b
PP
2180NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
2181 Patch provided by David Brownlee.
8dc71ab3 2182
7d9f747b 2183NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 2184
7d9f747b 2185NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 2186
7d9f747b 2187NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 2188
7d9f747b 2189NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 2190
17792b53 2191NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 2192 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 2193
7d9f747b
PP
2194NM/33 Bugzilla 898: Transport filter timeout fix.
2195 Patch by Todd Rinaldo.
52383f8f 2196
91576cec 2197NM/34 Bugzilla 901: Fix sign/unsigned and UTF mismatches.
7d9f747b 2198 Patch by Serge Demonchaux.
5ca6d115 2199
7d9f747b
PP
2200NM/35 Bugzilla 39: Base64 decode bug fixes.
2201 Patch by Jakob Hirsch.
baee9eee 2202
7d9f747b 2203NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 2204
7d9f747b 2205NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 2206
7d9f747b 2207NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 2208
7d9f747b 2209NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 2210
deafd5b3 2211
47db1125
NM
2212Exim version 4.69
2213-----------------
2214
4b3504d0
TK
2215TK/01 Add preliminary DKIM support. Currently requires a forked version of
2216 ALT-N's libdkim that I have put here:
2217 http://duncanthrax.net/exim-experimental/
2218
2219 Note to Michael Haardt: I had to rename some vars in sieve.c. They
2220 were called 'true' and it seems that C99 defines that as a reserved
2221 keyword to be used with 'bool' variable types. That means you could
2222 not include C99-style headers which use bools without triggering
2223 build errors in sieve.c.
2224
81ea09ca
NM
2225NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
2226 as mailq or other aliases. Changed the --help handling significantly
2227 to do whats expected. exim_usage() emits usage/help information.
2228
f13cddcb
SC
2229SC/01 Added the -bylocaldomain option to eximstats.
2230
7d9f747b 2231NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 2232
7d9f747b 2233NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 2234
7d9f747b 2235NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
2236
2237
eb4c0de6
PH
2238Exim version 4.68
2239-----------------
2240
2241PH/01 Another patch from the Sieve maintainer.
2242
6a3bceb1
PH
2243PH/02 When an IPv6 address is converted to a string for single-key lookup
2244 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
2245 dots are used instead of colons so that keys in lsearch files need not
2246 contain colons. This was done some time before quoting was made available
2247 in lsearch files. However, iplsearch files do require colons in IPv6 keys
2248 (notated using the quote facility) so as to distinguish them from IPv4
2249 keys. This meant that lookups for IP addresses in host lists did not work
2250 for iplsearch lookups.
2251
2252 This has been fixed by arranging for IPv6 addresses to be expressed with
2253 colons if the lookup type is iplsearch. This is not incompatible, because
2254 previously such lookups could never work.
2255
4c04137d 2256 The situation is now rather anomalous, since one *can* have colons in
6a3bceb1
PH
2257 ordinary lsearch keys. However, making the change in all cases is
2258 incompatible and would probably break a number of configurations.
2259
2e30fa9d
TK
2260TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
2261 version.
2262
0806a9c5
MH
2263MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
2264 conversion specification without a maximum field width, thereby enabling
2265 a rogue spamd server to cause a buffer overflow. While nobody in their
2266 right mind would setup Exim to query an untrusted spamd server, an
2267 attacker that gains access to a server running spamd could potentially
2268 exploit this vulnerability to run arbitrary code as the Exim user.
2269
ae276964
TK
2270TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
2271 $primary_hostname instead of what libspf2 thinks the hosts name is.
2272
0f2cbd1b
MH
2273MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
2274 a directory entry by the name of the lookup key. Previously, if a
2275 symlink pointed to a non-existing file or a file in a directory that
2276 Exim lacked permissions to read, a lookup for a key matching that
2277 symlink would fail. Now it is enough that a matching directory entry
2278 exists, symlink or not. (Bugzilla 503.)
2279
2b85bce7
PH
2280PH/03 The body_linecount and body_zerocount variables are now exported in the
2281 local_scan API.
2282
93655c46
PH
2283PH/04 Added the $dnslist_matched variable.
2284
6c512171
PH
2285PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
2286 This means they are set thereafter only if the connection becomes
2287 encrypted.
2288
2289PH/06 Added the client_condition to authenticators so that some can be skipped
2290 by clients under certain conditions.
2291
aa6dc513
PH
2292PH/07 The error message for a badly-placed control=no_multiline_responses left
2293 "_responses" off the end of the name.
2294
a96603a0
PH
2295PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
2296
8f240103
PH
2297PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
2298 (without spaces) instead of just copying the configuration text.
2299
2300PH/10 Added the /noupdate option to the ratelimit ACL condition.
2301
d677b2f2
PH
2302PH/11 Added $max_received_linelength.
2303
d52120f2
PH
2304PH/12 Added +ignore_defer and +include_defer to host lists.
2305
64f2600a
PH
2306PH/13 Installed PCRE version 7.2. This needed some changes because of the new
2307 way in which PCRE > 7.0 is built.
2308
8669f003
PH
2309PH/14 Implemented queue_only_load_latch.
2310
a4dc33a8
PH
2311PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
2312 MAIL command. The effect was to mangle the value on 64-bit systems.
2313
d6a60c0f
PH
2314PH/16 Another patch from the Sieve maintainer.
2315
8f128379
PH
2316PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
2317
8932dffe
PH
2318PH/18 If a system quota error occurred while trying to create the file for
2319 a maildir delivery, the message "Mailbox is full" was not appended to the
2320 bounce if the delivery eventually timed out. Change 4.67/27 below applied
2321 only to a quota excession during the actual writing of the file.
d6a60c0f 2322
ddea74fa 2323PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
2324 characters?) which causes problems in log lines. The DN values are now
2325 passed through string_printing() before being added to log lines.
2326
ddea74fa 2327PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
2328 and InterBase are left for another time.)
2329
ddea74fa
PH
2330PH/21 Added message_body_newlines option.
2331
ce9f225c
PH
2332PH/22 Guard against possible overflow in moan_check_errorcopy().
2333
19897d52
PH
2334PH/23 POSIX allows open() to be a macro; guard against that.
2335
bc64a74d
PH
2336PH/24 If the recipient of an error message contained an @ in the local part
2337 (suitably quoted, of course), incorrect values were put in $domain and
2338 $local_part during the evaluation of errors_copy.
2339
eb4c0de6 2340
b4ed4da0
PH
2341Exim version 4.67
2342-----------------
2343
22ad45c9
MH
2344MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
2345 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
2346 Jan Srzednicki.
2347
b4ed4da0
PH
2348PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
2349 issue a MAIL command.
2350
431b7361
PH
2351PH/02 In an ACL statement such as
2352
2353 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
2354
2355 if a client was not listed at all, or was listed with a value other than
2356 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
2357 the condition was not true (as it should be), so access was not denied.
2358 The bug was that the ! inversion was incorrectly passed on to the second
2359 item. This has been fixed.
2360
2361PH/03 Added additional dnslists conditions == and =& which are different from
2362 = and & when the dns lookup returns more than one IP address.
2363
83da1223
PH
2364PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
2365 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
2366
54fc8428
PH
2367PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
2368 FSYNC, which compiles an option called disable_fsync that allows for
2369 bypassing fsync(). The documentation is heavily laced with warnings.
2370
34c5e8dd
SC
2371SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
2372
bbe15da8
PH
2373PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
2374 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
2375 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
2376 including adding "make clean"; (3) Added -fPIC when compiling the test
2377 dynamically loaded module, to get rid of a warning.
2378
0e8a9471
MH
2379MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
2380 message fails, move_frozen_messages = true and ignore_bounce_errors_after
2381 = 0s. The bug is otherwise harmless.
2382
f0872424
PH
2383PH/07 There was a bug in the dovecot authenticator such that the value of
2384 $auth1 could be overwritten, and so not correctly preserved, after a
2385 successful authentication. This usually meant that the value preserved by
2386 the server_setid option was incorrect.
2387
b01dd148
PH
2388PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
2389
6bf342e1
PH
2390PH/09 Installed PCRE release 7.0.
2391
273f34d0
PH
2392PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
2393 run for batched SMTP input. It is now run at the start of every message
2394 in the batch. While fixing this I discovered that the process information
2395 (output by running exiwhat) was not always getting set for -bs and -bS
2396 input. This is fixed, and it now also says "batched" for BSMTP.
2397
cf8b11a5
PH
2398PH/11 Added control=no_pipelining.
2399
41c7c167
PH
2400PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
2401 patch, slightly modified), and move the expansion of helo_data till after
2402 the connection is made in the smtp transport (so it can use these
2403 values).
2404
9c57cbc0
PH
2405PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
2406
f3f065bb
PH
2407PH/14 Added log_selector = +pid.
2408
047bdd8c
PH
2409PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
2410
0ce9abe6
PH
2411PH/16 Add ${if forany and ${if forall.
2412
0e22dfd1
PH
2413PH/17 Added dsn_from option to vary the From: line in DSNs.
2414
4c590bd1
PH
2415PH/18 Flush SMTP output before performing a callout, unless control =
2416 no_callout_flush is set.
2417
09945f1e
PH
2418PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
2419 was true (the default) a successful delivery failed to delete the retry
2420 item, thus causing premature timeout of the address. The bug is now
2421 fixed.
2422
c51b8e75
PH
2423PH/20 Added hosts_avoid_pipelining to the smtp transport.
2424
e28326d8 2425PH/21 Long custom messages for fakedefer and fakereject are now split up
4c04137d 2426 into multiline responses in the same way that messages for "deny" and
e28326d8
PH
2427 other ACL rejections are.
2428
75b1493f
PH
2429PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
2430 with slight modification.
2431
7c5214ec
PH
2432PH/23 Applied sieve patches from the maintainer "tracking the latest notify
2433 draft, changing the syntax and factoring some duplicate code".
2434
4311097e
PH
2435PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
2436 for deliveries of the second and subsequent messages over the same SMTP
2437 connection.
2438
29f89cad
PH
2439PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
2440 ${reduce, with only minor "tidies".
2441
5e687460
SC
2442SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
2443
c3611384
PH
2444PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
2445 expansion side effects.
2446
5a11a7b4
PH
2447PH/27 When a message times out after an over-quota error from an Exim-imposed
2448 quota, the bounce message says "mailbox is full". This message was not
2449 being given when it was a system quota that was exceeded. It now should
2450 be the same.
2451
0e20aff9
MH
2452MH/03 Made $recipients available in local_scan(). local_scan() already has
2453 better access to the recipient list through recipients_list[], but
2454 $recipients can be useful in postmaster-provided expansion strings.
2455
ca86f471
PH
2456PH/28 The $smtp_command and $smtp_command_argument variables were not correct
2457 in the case of a MAIL command with additional options following the
2458 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
2459 were accidentally chopped off.
2460
a14e5636
PH
2461PH/29 SMTP synchronization checks are implemented when a command is read -
2462 there is a check that no more input is waiting when there shouldn't be
2463 any. However, for some commands, a delay in an ACL can mean that it is
2464 some time before the response is written. In this time, more input might
2465 arrive, invalidly. So now there are extra checks after an ACL has run for
2466 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
2467 pipelining has not been advertised.
2468
ec95d1a6
PH
2469PH/30 MH's patch to allow iscntrl() characters to be list separators.
2470
42855d71
PH
2471PH/31 Unlike :fail:, a custom message specified with :defer: was not being
2472 returned in the SMTP response when smtp_return_error_details was false.
2473 This has been fixed.
2474
57c2c631
PH
2475PH/32 Change the Dovecot authenticator to use read() and write() on the socket
2476 instead of the C I/O that was originally supplied, because problems were
2477 reported on Solaris.
2478
58c01c94
PH
2479PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
2480 Exim which did not show up earlier: it was assuming that a call to
2481 SSL_CTX_set_info_callback() might give an error value. In fact, there is
2482 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
2483 was a macro that became an assignment, so it seemed to work. This has
2484 changed to a proper function call with a void return, hence the compile
2485 error. Exim's code has been fixed.
2486
dee5a20a
PH
2487PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
2488 cpus.
2489
d2ee6114
PH
2490PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
2491
b2d5182b
PH
2492PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
2493
79749a79
PH
2494PH/37 If a message is not accepted after it has had an id assigned (e.g.
2495 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
2496 "Completed" line in the log. When some messages of this type were
2497 selected by exigrep, they were listed as "not completed". Others were
2498 picked up by some special patterns. I have improved the selection
2499 criteria to be more general.
79749a79 2500
c456d9bb
PH
2501PH/38 The host_find_failed option in the manualroute router can now be set
2502 to "ignore", to completely ignore a host whose IP address cannot be
2503 found. If all hosts are ignored, the behaviour is controlled by the new
2504 host_all_ignored option.
2505
cd9868ec
PH
2506PH/39 In a list of hosts for manualroute, if one item (either because of multi-
2507 homing or because of multiple MX records with /mx) generated more than
2508 one IP address, and the following item turned out to be the local host,
2509 all the secondary addresses of the first item were incorrectly removed
2510 from the list, along with the local host and any following hosts (which
2511 is what is supposed to happen).
2512
ebeaf996
PH
2513PH/40 When Exim receives a message, it writes the login name, uid, and gid of
2514 whoever called Exim into the -H file. In the case of the daemon it was
2515 behaving confusingly. When first started, it used values for whoever
2516 started the daemon, but after a SIGHUP it used the Exim user (because it
2517 calls itself on a restart). I have changed the code so that it now always
2518 uses the Exim user.
2519
2679d413
PH
2520PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
2521 message are rejected with the same error (e.g. no authentication or bad
2522 sender address), and a DATA command is nevertheless sent (as can happen
2523 with PIPELINING or a stupid MUA), the error message that was given to the
2524 RCPT commands is included in the rejection of the DATA command. This is
2525 intended to be helpful for MUAs that show only the final error to their
2526 users.
2527
84024b72
PH
2528PH/42 Another patch from the Sieve maintainer.
2529
8005d38e
SC
2530SC/02 Eximstats - Differentiate between permanent and temporary rejects.
2531 Eximstats - Fixed some broken HTML links and added missing column headers
2532 (Jez Hancock).
2533 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
2534 columns for Rejects, Temp Rejects, Ham, and Spam rows.
2535
3298c6c6
SC
2536SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
2537
a43a27c5
PH
2538PH/43 Yet another patch from the Sieve maintainer.
2539
58eb016e 2540PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
2541 the response to the final '.' that terminates a message, but only in the
2542 case where the client has not sent further data following the '.'
2543 (unfortunately, this is allowed). However, in many cases there won't be
2544 any further data because there won't be any more messages to send. A call
2545 to select() can be used: if it shows that the input is "ready", there is
2546 either input waiting, or the socket has been closed. An attempt to read
2547 the next input character can distinguish the two cases. Previously, Exim
58eb016e 2548 would have sent an OK response which the client would never have see.
563b63fa
PH
2549 This could lead to message repetition. This fix should cure that, at
2550 least in a lot of common cases.
58eb016e 2551
b43a74ea
PH
2552PH/45 Do not advertise STARTTLS in response to HELP unless it would be
2553 advertised in response to EHLO.
2554
b4ed4da0 2555
5dd1517f
PH
2556Exim version 4.66
2557-----------------
2558
2559PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
2560 fixed by 4.65/MH/01 (is this a record?) are fixed:
2561
2562 (i) An empty string was always treated as zero by the numeric comparison
2563 operators. This behaviour has been restored.
2564
2565 (ii) It is documented that the numeric comparison operators always treat
2566 their arguments as decimal numbers. This was broken in that numbers
2567 starting with 0 were being interpreted as octal.
2568
2569 While fixing these problems I realized that there was another issue that
2570 hadn't been noticed. Values of message_size_limit (both the global option
2571 and the transport option) were treated as octal if they started with 0.
2572 The documentation was vague. These values are now always treated as
2573 decimal, and I will make that clear in the documentation.
2574
2575
93cfa765
TK
2576Exim version 4.65
2577-----------------
2578
2579TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
2580 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
2581 versions. (#438)
2582
d6066548
MH
2583MH/01 Don't check that the operands of numeric comparison operators are
2584 integers when their expansion is in "skipping" mode (fixes bug
2585 introduced by 4.64-PH/07).
2586
4362ff0d
PH
2587PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
2588 child addresses, Exim now panics and dies. Previously, because the count
2589 is held in a short int, deliveries were likely to be lost. As such a
2590 large number of recipients for a single message is ridiculous
2591 (performance will be very, very poor), I have chosen to impose a limit
2592 rather than extend the field.
2593
93cfa765 2594
944e9e9c
TF
2595Exim version 4.64
2596-----------------
aa41d2de 2597
21d74bd9
TK
2598TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
2599 leftover -K file (the existence of which was triggered by #402).
2600 While we were at it, introduced process PID as part of the -K
2601 filename. This should rule out race conditions when creating
2602 these files.
2603
2604TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
2605 processing considerably. Previous code took too long for large mails,
2606 triggering a timeout which in turn triggers #401.
2607
2608TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
2609 in the DK code in transports.c. sendfile() is not really portable,
2610 hence the _LINUX specificness.
944e9e9c
TF
2611
2612TF/01 In the add_headers option to the mail command in an Exim filter,
2613 there was a bug that Exim would claim a syntax error in any
2614 header after the first one which had an odd number of characters
2615 in the field name.
2616
2b1c6e3a
PH
2617PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
2618 callout verification, Exim cached a "reject" for the entire domain. This
2619 is correct for most verifications, but it is not correct for a recipient
2620 verification with use_sender or use_postmaster set, because in that case
2621 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
2622 case of MAIL FROM:<> rejection from other early rejections (e.g.
2623 rejection of HELO). When verifying a recipient using a non-null MAIL
2624 address, the cache is ignored if it shows MAIL FROM:<> rejection.
2625 Whatever the result of the callout, the value of the domain cache is
2626 left unchanged (for any other kind of callout, getting as far as trying
2627 RCPT means that the domain itself is ok).
2628
1f872c80
PH
2629PH/02 Tidied a number of unused variable and signed/unsigned warnings that
2630 gcc 4.1.1 threw up.
2631
2632PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
2633 manifest itself as EPIPE rather than ECONNECT. When tidying away a
2634 session, the daemon ignores ECONNECT errors and logs others; it now
2635 ignores EPIPE as well.
2636
d203e649
PH
2637PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
2638 (quoted-printable decoding).
2639
cc2ed8f7 2640PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 2641 later the small subsequent patch to fix an introduced bug.
f951fd57 2642
ddfcd446
PH
2643PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
2644
d45b1de8
PH
2645PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
2646
2647PH/08 An error is now given if message_size_limit is specified negative.
2648
38a0a95f 2649PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 2650 to be given (somewhat) arbitrary names.
38a0a95f 2651
a2405d83
JJ
2652JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
2653 in 4.64-PH/09.
2654
2655JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
2656 miscellaneous code fixes
2657
6ea85e9a
PH
2658PH/10 Added the log_reject_target ACL modifier to specify where to log
2659 rejections.
2660
26da7e20
PH
2661PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
2662 hostname. This is wrong, because it relates to the incoming message (and
2663 probably the interface on which it is arriving) and not to the outgoing
2664 callout (which could be using a different interface). This has been
2665 changed to use the value of the helo_data option from the smtp transport
2666 instead - this is what is used when a message is actually being sent. If
2667 there is no remote transport (possible with a router that sets up host
2668 addresses), $smtp_active_hostname is used.
6ea85e9a 2669
14aa5a05 2670PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 2671 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
2672 (a) The code assumed that strncpy() returns a negative number on buffer
2673 overflow, which isn't the case. Replaced with Exim's string_format()
2674 function.
2675 (b) There were several signed/unsigned issues. I just did the minimum
2676 hacking in of casts. There is scope for a larger refactoring.
2677 (c) The code used strcasecmp() which is not a standard C function.
2678 Replaced with Exim's strcmpic() function.
2679 (d) The code set only $1; it now sets $auth1 as well.
2680 (e) A simple test gave the error "authentication client didn't specify
2681 service in request". It would seem that Dovecot has changed its
2682 interface. Fortunately there's a specification; I followed it and
2683 changed what the client sends and it appears to be working now.
2684
ff75a1f7
PH
2685PH/13 Added $message_headers_raw to provide the headers without RFC 2047
2686 decoding.
2687
e6f6568e
PH
2688PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
2689 address A is aliased to B and C, where B exists and C does not. Without
2690 -v the output is "A verified" because verification stops after a
2691 successful redirection if more than one address is generated. However,
2692 with -v the child addresses are also verified. Exim was outputting "A
2693 failed to verify" and then showing the successful verification for C,
2694 with its parentage. It now outputs "B failed to verify", showing B's
2695 parentage before showing the successful verification of C.
2696
d6f6e0dc
PH
2697PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
2698 look up a TXT record in a specific list after matching in a combined
2699 list.
2700
322050c2
PH
2701PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
2702 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
2703 they consult the DNS. I had assumed they would set it the way they
2704 wanted; and indeed my experiments on Linux seem to show that in some
2705 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
2706 To be on the safe side, however, I have now made the interface to
2707 host_find_byname() similar to host_find_bydns(), with an argument
2708 containing the DNS resolver options. The host_find_byname() function now
2709 sets these options at its start, just as host_find_bydns() does. The smtp
2710 transport options dns_qualify_single and dns_search_parents are passed to
2711 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
2712 of host_find_byname() use the default settings of RES_DEFNAMES
2713 (qualify_single) but not RES_DNSRCH (search_parents).
2714
08955dd3
PH
2715PH/17 Applied (a modified version of) Nico Erfurth's patch to make
2716 spool_read_header() do less string testing, by means of a preliminary
2717 switch on the second character of optional "-foo" lines. (This is
2718 overdue, caused by the large number of possibilities that now exist.
2719 Originally there were few.) While I was there, I also converted the
2720 str(n)cmp tests so they don't re-test the leading "-" and the first
2721 character, in the hope this might squeeze out yet more improvement.
2722
1eccaa59
PH
2723PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
2724 flag allowing group syntax was set by the header_syntax check but not
2725 turned off, possible causing trouble later; (2) The flag was not being
2726 set at all for the header_verify test, causing "group"-style headers to
2727 be rejected. I have now set it in this case, and also caused header_
2728 verify to ignore an empty address taken from a group. While doing this, I
2729 came across some other cases where the code for allowing group syntax
2730 while scanning a header line wasn't quite right (mostly, not resetting
2731 the flag correctly in the right place). These bugs could have caused
2732 trouble for malformed header lines. I hope it is now all correct.
2733
602e59e5
PH
2734PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
2735 with the "reply" argument non-NULL. The code, however (which originally
2736 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
2737 but it didn't always do it. This confused somebody who was copying the
2738 code for some other use. I have removed all the tests.
2739
411ef850
PH
2740PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
2741 feature that was used to support insecure browsers during the U.S. crypto
2742 embargo. It requires special client support, and Exim is probably the
2743 only MTA that supported it -- and would never use it because real RSA is
2744 always available. This code has been removed, because it had the bad
2745 effect of slowing Exim down by computing (never used) parameters for the
2746 RSA_EXPORT functionality.
2747
7befa435
PH
2748PH/21 On the advice of Timo Sirainen, added a check to the dovecot
2749 authenticator to fail if there's a tab character in the incoming data
2750 (there should never be unless someone is messing about, as it's supposed
2751 to be base64-encoded). Also added, on Timo's advice, the "secured" option
2752 if the connection is using TLS or if the remote IP is the same as the
2753 local IP, and the "valid-client-cert option" if a client certificate has
2754 been verified.
2755
48da4259 2756PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
2757 authenticators. This can be used for authorization after authentication
2758 succeeds. (In the case of plaintext, it servers for both authentication
2759 and authorization.)
2760
48da4259
PH
2761PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
2762 if any retry times were supplied.
2763
d1d5595c
PH
2764PH/24 Exim crashed if verify=helo was activated during an incoming -bs
2765 connection, where there is no client IP address to check. In this
2766 situation, the verify now always succeeds.
2767
0ef732d9
PH
2768PH/25 Applied John Jetmore's -Mset patch.
2769
328895cc
PH
2770PH/26 Added -bem to be like -Mset, but loading a message from a file.
2771
fd700877
PH
2772PH/27 In a string expansion for a processed (not raw) header when multiple
2773 headers of the same name were present, leading whitespace was being
2774 removed from all of them, but trailing whitespace was being removed only
2775 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
2776 before concatenation. Completely empty headers in a concatenation (as
2777 before) are ignored.
fd700877 2778
8dce1a6f
PH
2779PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
2780 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
2781
17af4a17
PH
2782PH/29 [Removed. This was a change that I later backed out, and forgot to
2783 correct the ChangeLog entry (that I had efficiently created) before
2784 committing the later change.]
f6c332bd
PH
2785
2786PH/30 Exim was sometimes attempting to deliver messages that had suffered
2787 address errors (4xx response to RCPT) over the same connection as other
2788 messages routed to the same hosts. Such deliveries are always "forced",
2789 so retry times are not inspected. This resulted in far too many retries
2790 for the affected addresses. The effect occurred only when there were more
2791 hosts than the hosts_max_try setting in the smtp transport when it had
2792 the 4xx errors. Those hosts that it had tried were not added to the list
2793 of hosts for which the message was waiting, so if all were tried, there
2794 was no problem. Two fixes have been applied:
2795
2796 (i) If there are any address or message errors in an SMTP delivery, none
2797 of the hosts (tried or untried) are now added to the list of hosts
2798 for which the message is waiting, so the message should not be a
2799 candidate for sending over the same connection that was used for a
2800 successful delivery of some other message. This seems entirely
2801 reasonable: after all the message is NOT "waiting for some host".
2802 This is so "obvious" that I'm not sure why it wasn't done
2803 previously. Hope I haven't missed anything, but it can't do any
2804 harm, as the worst effect is to miss an optimization.
2805
2806 (ii) If, despite (i), such a delivery is accidentally attempted, the
2807 routing retry time is respected, so at least it doesn't keep
2808 hammering the server.
2809
c1114884
PH
2810PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
2811 in ${readsocket because some servers need this prod.
2812
7a0743eb
PH
2813PH/32 Added some extra debug output when updating a wait-xxx database.
2814
0d85fa3f
PH
2815PH/33 The hint "could be header name not terminated by colon", which has been
2816 given for certain expansion errors for a long time, was not being given
2817 for the ${if def:h_colon_omitted{... case.
2818
1bf43b78
PH
2819PH/34 The spec says: "With one important exception, whenever a domain list is
2820 being scanned, $domain contains the subject domain." There was at least
2821 one case where this was not true.
2822
520de300
PH
2823PH/35 The error "getsockname() failed: connection reset by peer" was being
2824 written to the panic log as well as the main log, but it isn't really
2825 panic-worthy as it just means the connection died rather early on. I have
2826 removed the panic log writing for the ECONNRESET error when getsockname()
2827 fails.
2828
48c7f9e2
PH
2829PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
2830 runs only) independently of the message's sender address. This meant
2831 that, if the 4xx error was in fact related to the sender, a different
2832 message to the same recipient with a different sender could confuse
4c04137d 2833 things. In particular, this can happen when sending to a greylisting
48c7f9e2
PH
2834 server, but other circumstances could also provoke similar problems.
2835 I have changed the default so that the retry time for these errors is now
2836 based a combination of the sender and recipient addresses. This change
2837 can be overridden by setting address_retry_include_sender=false in the
2838 smtp transport.
2839
99ea1c86
PH
2840PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
2841 remote server are returned as part of bounce messages. This was not
2842 happening for LMTP over a pipe (the lmtp transport), but now it is the
2843 same for both kinds of LMTP.
2844
a2042e78
PH
2845PH/38 Despite being documented as not happening, Exim was rewriting addresses
2846 in header lines that were in fact CNAMEs. This is no longer the case.
2847
4fbcfc2e
PH
2848PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
2849 and queue runs started by the daemon processed all messages. This has
2850 been fixed so that -R and -S can now usefully be given with -q<time>.
2851
aa41d2de
PH
2852PH/40 Import PCRE release 6.7 (fixes some bugs).
2853
af561417
PH
2854PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
2855
3cc66b45
PH
2856PH/42 Give an error if -q is specified more than once.
2857
194cc0e4
PH
2858PH/43 Renamed the variables $interface_address and $interface_port as
2859 $received_ip_address and $received_port, to make it clear that these
2860 values apply to message reception, and not to the outgoing interface when
2861 a message is delivered. (The old names remain recognized, of course.)
2862
a401ddaa
PH
2863PH/44 There was no timeout on the connect() call when using a Unix domain
2864 socket in the ${readsocket expansion. There now is.
2865
4e88a19f
PH
2866PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
2867 be meaningful with "accept".
2868
d7d7b289
SC
2869SC/01 Eximstats V1.43
2870 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
2871
2872SC/02 Eximstats V1.44
2873 Use a glob alias rather than an array ref in the generated
2874 parser. This improves both readability and performance.
2875
2876SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
2877 Collect SpamAssassin and rejection statistics.
2878 Don't display local sender or destination tables unless
2879 there is data to show.
2880 Added average volumes into the top table text output.
2881
2882SC/04 Eximstats V1.46
2883 Collect data on the number of addresses (recipients)
2884 as well as the number of messages.
2885
2886SC/05 Eximstats V1.47
2887 Added 'Message too big' to the list of mail rejection
2888 reasons (thanks to Marco Gaiarin).
2889
2890SC/06 Eximstats V1.48
2891 Mainlog lines which have GMT offsets and are too short to
2892 have a flag are now skipped.
2893
2894SC/07 Eximstats V1.49 (Alain Williams)
2895 Added the -emptyok flag.
2896
2897SC/08 Eximstats V1.50
2898 Fixes for obtaining the IP address from reject messages.
2899
0ea2a468
JJ
2900JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
2901 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
4c04137d 2902 whitespace changes from 4.64-PH/27
0ea2a468
JJ
2903
2904JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
2905 match 4.64-PH/13
2906
2907JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
2908 are found, allow negative numbers in numeric criteria)
2909
2910JJ/06 exipick.20061117.2, added new $message_body_missing variable
2911
2912JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
2913 to match changes made in 4.64-PH/43
2914
8a10f5a4
PH
2915PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
2916
30e18802
PH
2917PH/47 Put in an explicit test for a DNS lookup of an address record where the
2918 "domain" is actually an IP address, and force a failure. This locks out
2919 those revolvers/nameservers that support "A-for-A" lookups, in
2920 contravention of the specifications.
2921
55728a4f
PH
2922PH/48 When a host name was looked up from an IP address, and the subsequent
2923 forward lookup of the name timed out, the host name was left in
2924 $sender_host_name, contrary to the specification.
d7d7b289 2925
d7837193
PH
2926PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
2927 restricted to single-key lookups, Exim was not diagnosing an error if
2928 * or *@ was used with a query-style lookup.
2929
87054a31
PH
2930PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
2931
ea2c01d2
MH
2932MH/01 local_scan ABI version incremented to 1.1. It should have been updated
2933 long ago, but noone interested enough thought of it. Let's just say that
2934 the "1.1" means that there are some new functions that weren't there at
2935 some point in the past.
2936
e4fa6968
PH
2937PH/51 Error processing for expansion failure of helo_data from an smtp
2938 transport during callout processing was broken.
2939
56f5d9bd
PH
2940PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
2941 tested/used via the -bh/-bhc/-bs options.
2942
922e1c28
PH
2943PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
2944 bug, fixed in subsequent PCRE releases).
2945
21eb6e72
PH
2946PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
2947 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
2948
a0540757
PH
2949PH/55 Check for a ridiculously long file name in exim_dbmbuild.
2950
944e9e9c 2951
478be7b0
SC
2952Exim version 4.63
2953-----------------
2954
2955SC/01 Use a glob alias rather than an array ref in eximstats generated
2956 parser. This improves both readability and performance.
2957
2958SC/02 Collect SpamAssassin and rejection statistics in eximstats.
2959 Don't display local sender or destination tables in eximstats unless
2960 there is data to show.
2961 Added average volumes into the eximstats top table text output.
2962
2963SC/03 Collect data on the number of addresses (recipients) as well
2964 as the number of messages in eximstats.
2965
2b965a65
TF
2966TF/01 Correct an error in the documentation for the redirect router. Exim
2967 does (usually) call initgroups() when daemonizing.
478be7b0 2968
45b91596
PH
2969TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
2970 with consistent privilege compared to when running as a daemon.
478be7b0 2971
c59f5781
TF
2972TF/03 Note in the spec that $authenticated_id is not set for local
2973 submissions from trusted users.
2974
90fc3069
TF
2975TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
2976 Thanks to Dean Brooks <dean@iglou.com> for the patch.
2977
6083aca0
TF
2978TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
2979 by adding some example configuration directives to the default
2980 configuration file. A little bit of work is required to uncomment the
2981 directives and define how usernames and passwords are checked, but
2982 there is now a framework to start from.
2983
765b530f
PH
2984PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
2985 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
2986 without this. I don't know how relevant this is to other LDAP libraries.
2987
4e167a8c
PH
2988PH/02 Add the verb name to the "unknown ACL verb" error.
2989
4608d683
PH
2990PH/03 Magnus Holmgren's patch for filter_prepend_home.
2991
b8dc3e4a
PH
2992PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
2993
5418e93b
PH
2994PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
2995 directory not expanded when it should be if an expanded home directory
2996 was set for the address (which is overridden by the transport).
2997
b4a9bda2
PH
2998PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
2999 libradius.
3000
45b91596
PH
3001PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
3002 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
3003 because it is too late at that time, and has no effect.
3004
5547e2c5
PH
3005PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
3006 security issue with \' (bugzilla #107). I could not use the
3007 PQescapeStringConn() function, because it needs a PGconn value as one of
3008 its arguments.
3009
dbcef0ea
PH
3010PH/08 When testing addresses using -bt, indicate those final addresses that
3011 are duplicates that would not cause an additional delivery. At least one
3012 person was confused, thinking that -bt output corresponded to deliveries.
3013 (Suppressing duplicates isn't a good idea as you lose the information
3014 about possibly different redirections that led to the duplicates.)
3015
25257489
PH
3016PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
3017 systems where poll() doesn't work, in particular OS X.
3018
c816d124
PH
3019PH/10 Added more information to debugging output for retry time not reached.
3020
a9ccd69a
PH
3021PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
3022 operations in malware.c.
3023
75fa1910
PH
3024PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
3025 signatures.
3026
a7d7aa58
PH
3027PH/13 If write_rejectlog was set false when logging was sent to syslog with
3028 syslog_duplication set false, log lines that would normally be written
3029 both the the main log and to the reject log were not written to syslog at
3030 all.
3031
42119b09
PH
3032PH/14 In the default configuration, change the use of "message" in ACL warn
3033 statements to "add_header".
3034
41609df5
PH
3035PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
3036 not followed by a command (e.g. "seen endif").
3037
a5bd321b
PH
3038PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
3039 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
3040 latter.
3041
e85a7ad5 3042PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
3043 so that it is now:
3044
e85a7ad5
PH
3045 ${if or { \
3046 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
3047 { match{$h_precedence:}{(?i)bulk|list|junk} } \
3048 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
3049 }{no}{yes}}
3050
e85a7ad5
PH
3051 The Auto-Submitted: and various List- headers are standardised, whereas I
3052 don't think Precedence: ever was.
5dff5817 3053
d8fe1c03
PH
3054PH/18 Refactored debugging code in route_finduser() to show more information,
3055 in particular, the error code if getpwnam() issues one.
3056
16282d2b
PH
3057PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
3058 This is apparently needed in addition to the PH/07 change above to avoid
3059 any possible encoding problems.
3060
35d40a98
PH
3061PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
3062 but not after initializing Perl.
3063
034d99ab
PH
3064PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
3065 output them only if debugging. By default they are written stderr,
3066 apparently, which is not desirable.
3067
6ec97b1b
PH
3068PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
3069 queries.
3070
e22ca4ac
JJ
3071JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
3072 --not options
3073
3074JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
3075
33d73e3b
PH
3076PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
3077 authenticated or an ident call has been made. Suppress the default
3078 values for $authenticated_id and $authenticated_sender (but permit -oMai
3079 and -oMas) when testing with -bh.
3080
9ecb03f3
PH
3081PH/24 Re-jigged the order of the tests in the default configuration so that the
3082 tests for valid domains and recipients precede the DNS black list and CSA
3083 tests, on the grounds that those ones are more expensive.
3084
084efe8d
PH
3085PH/25 Exim was not testing for a space following SMTP commands such as EHLO
3086 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
3087 This bug exists in every version of Exim that I still have, right back to
3088 0.12.
3089
366fc9f0
PH
3090PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
3091 However, an attempt to turn on case-sensitivity in a regex key by
3092 including (?-i) didn't work because the subject string was already
3093 lowercased, and the effects were non-intuitive. It turns out that a
3094 one-line patch can be used to allow (?-i) to work as expected.
3095
c59f5781 3096
c887c79e
TF
3097Exim version 4.62
3098-----------------
3099
3100TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
3101 other effects) broke the use of negated acl sub-conditions.
3102
1cce3af8
PH
3103PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
3104 patch).
3105
afb3eaaf
PH
3106PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
3107 "Deny" causes Exim to reject the incoming connection with a 554 error.
3108 Unfortunately, if there is a major crisis, such as a disk failure,
3109 tcp-wrappers gives "deny", whereas what one would like would be some
3110 kind of temporary error. A kludge has been added to help with this.
3111 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
3112 554 error is used if errno is still zero or contains ENOENT (which occurs
3113 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
3114 451 error is used.
3115
e173618b
PH
3116PH/03 Add -lutil to the default FreeBSD LIBS setting.
3117
dd16e114
PH
3118PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
3119 errors. Otherwise a message that provokes a temporary error (when other
3120 messages do not) can cause a whole host to time out.
3121
f7fd3850
PH
3122PH/05 Batch deliveries by appendfile and pipe transports did not work when the
3123 addresses were routed directly to files or pipes from a redirect router.
3124 File deliveries just didn't batch; pipe deliveries might have suffered
3125 odd errors.
3126
d87df92c
PH
3127PH/06 A failure to get a lock for a hints database would erroneously always say
3128 "Failed to get write lock", even when it was really a read lock.
3129
7e9f683d
PH
3130PH/07 The appendfile transport was creating MBX lock files with a fixed mode
3131 of 0600. This has been changed to use the value of the lockfile_mode
3132 option (which defaults to 0600).
3133
bfad5236
PH
3134PH/08 Applied small patch from the Sieve maintainer.
3135
01c490df
PH
3136PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
3137 folder from quota calculations, a direct delivery into this folder messed
3138 up the contents of the maildirsize file. This was because the regex was
3139 used only to exclude .Trash (or whatever) when the size of the mailbox
3140 was calculated. There was no check that a delivery was happening into an
3141 excluded directory. This bug has been fixed by ignoring all quota
3142 processing for deliveries into excluded directories.
3143
d6629cdc
PH
3144PH/10 Added the maildirfolder_create_regex option to appendfile.
3145
1cce3af8 3146
214e2000
PH
3147Exim version 4.61
3148-----------------
3149
3150PH/01 The code for finding all the local interface addresses on a FreeBSD
3151 system running IPv6 was broken. This may well have applied to all BSD
3152 systems, as well as to others that have similar system calls. The broken
3153 code found IPv4 interfaces correctly, but gave incorrect values for the
3154 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
3155 that it would not match correctly against @[] and not recognize the IPv6
3156 addresses as local.
3157
f9daeae0
PH
3158PH/02 The ipliteral router was not recognizing addresses of the form user@
3159 [ipv6:....] because it didn't know about the "ipv6:" prefix.
3160
7e66e54d
PH
3161PH/03 Added disable_ipv6.
3162
c8ea1597
PH
3163PH/04 Changed $reply_address to use the raw form of the headers instead of the
3164 decoded form, because it is most often used to construct To: headers
3165 lines in autoreplies, and the decoded form may well be syntactically
3166 invalid. However, $reply_address has leading white space removed, and all
3167 newlines turned into spaces so that the autoreply transport does not
3168 grumble.
3169
911f6fde
PH
3170PH/05 If group was specified without a user on a router, and no group or user
3171 was specified on a transport, the group from the router was ignored.
3172
47ca6d6c
PH
3173PH/06 Increased the number of ACL variables to 20 of each type, and arranged
3174 for visible compile-time settings that can be used to change these
3175 numbers, for those that want even more. Backwards compatibility with old
3176 spool files has been maintained. However, going back to a previous Exim
3177 release will lost any variables that are in spool files.
3178
ed0e9820
PH
3179PH/07 Two small changes when running in the test harness: increase delay when
3180 passing a TCP/IP connection to a new process, in case the original
3181 process has to generate a bounce, and remove special handling of
3182 127.0.0.2 (sic), which is no longer necessary.
3183
eff37e47
PH
3184PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
3185 be the same on different OS.
3186
1921d2ea
PH
3187PH/09 Moved a debug statement in filter processing to avoid a race problem when
3188 testing.
3189
b3f69ca8
JJ
3190JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
3191 whether --show-vars was specified or not
3192
3193JJ/02 exipick: Added support for new ACL variable spool format introduced
3194 in 4.61-PH/06
3195
424a1c63
PH
3196PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
3197 syntactically invalid From: or Reply-to: line, and a filter used this to
3198 generate an autoreply, and therefore failed to obtain an address for the
3199 autoreply, Exim could try to deliver to a non-existent relative file
3200 name, causing unrelated and misleading errors. What now happens is that
3201 it logs this as a hard delivery error, but does not attempt to create a
3202 bounce message.
3203
7a100415
PH
3204PH/11 The exinext utility has a -C option for testing purposes, but although
3205 the given file was scanned by exinext itself; it wasn't being passed on
3206 when Exim was called.
3207
19b9dc85
PH
3208PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
3209 an end-of-file indication when reading a command response.
3210
309bd837
PH
3211PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
3212 compiled. In many other places in Exim, IPv6 addresses are always
3213 recognized, so I have changed this. It also means that IPv4 domain
3214 literals of the form [IPV4:n.n.n.n] are now always recognized.
3215
59e82a2a
PH
3216PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
3217 used if the router is not running as root, for example, when verifying at
3218 ACL time, or when using -bh. The debugging output from this situation was
3219 non-existent - all you got was a failure to exec. I have made two
3220 changes:
3221
3222 (a) Failures to set uid/gid, the current directory, or a process leader
3223 in a subprocess such as that created by queryprogram now generate
4c04137d 3224 suitable debugging output when -d is set.
59e82a2a
PH
3225
3226 (b) The queryprogram router detects when it is not running as root,
3227 outputs suitable debugging information if -d is set, and then runs
3228 the subprocess without attempting to change uid/gid.
3229
9edc04ce
PH
3230PH/15 Minor change to Makefile for building test_host (undocumented testing
3231 feature).
3232
1349e1e5
PH
3233PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
3234 additional section of a DNS packet that returns MX or SRV records.
3235 Instead, it always explicitly searches for A/AAAA records. This avoids
3236 major problems that occur when a DNS server includes only records of one
3237 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
3238 fixed another bug: if SRV records were looked up and the corresponding
3239 address records were *not* found in the additional section, the port
3240 values from the SRV records were lost.
3241
ea49d0e1
PH
3242PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
3243 using the correct key (the original address) when searching the retry
3244 rules in order to find which one to use for generating the retry hint.
3245
064a94c9
PH
3246PH/18 If quota_warn_message contains a From: header, Exim now refrains from
3247 adding the default one. Similarly, if it contains a Reply-To: header, the
3248 errors_reply_to option, if set, is not used.
3249
727071f8
PH
3250PH/19 When calculating a retry time, Exim used to measure the "time since
3251 failure" by looking at the "first failed" field in the retry record. Now
3252 it does not use this if it is later than than the arrival time of the
3253 message. Instead it uses the arrival time. This makes for better
3254 behaviour in cases where some deliveries succeed, thus re-setting the
3255 "first failed" field. An example is a quota failure for a huge message
3256 when small messages continue to be delivered. Without this change, the
3257 "time since failure" will always be short, possible causing more frequent
3258 delivery attempts for the huge message than are intended.
dd16e114 3259 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 3260
f78eb7c6
PH
3261PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
3262 $1, $2, $3) because the numerical variables can be reset during some
3263 expansion items (e.g. "match"), thereby losing the authentication data.
3264
21c28500
PH
3265PH/21 Make -bV show the size of off_t variables so that the test suite can
3266 decide whether to run tests for quotas > 2G.
3267