OpenSSL: revert needless free of certificate list. The library handlies it internally.
[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
6678c382
JH
113JH/22 Bug 2236: When a DKIM verification result is overridden by ACL, DMARC
114 reported the original. Fix to report (as far as possible) the ACL
115 result replacing the original.
116
dec766a1
WB
117JH/23 Fix memory leak during multi-message connections using STARTTLS under
118 OpenSSL. Certificate information is loaded for every new TLS startup,
119 and the resources needed to be freed.
120
15ae19f9
JH
121JH/24 Bug 2242: Fix exim_dbmbuild to permit directoryless filenames.
122
bbfb5dcd 123
acfc18c3
PP
124Exim version 4.90
125-----------------
126
127JH/01 Rework error string handling in TLS interface so that the caller in
128 more cases is responsible for logging. This permits library-sourced
129 string to be attached to addresses during delivery, and collapses
130 pairs of long lines into single ones.
131
856d1e16
PP
132PP/01 Allow PKG_CONFIG_PATH to be set in Local/Makefile and use it correctly
133 during configuration. Wildcards are allowed and expanded.
134
b9df1829
JH
135JH/02 Rework error string handling in DKIM to pass more info back to callers.
136 This permits better logging.
137
875512a3
JH
138JH/03 Rework the transport continued-connection mechanism: when TLS is active,
139 do not close it down and have the child transport start it up again on
140 the passed-on TCP connection. Instead, proxy the child (and any
141 subsequent ones) for TLS via a unix-domain socket channel. Logging is
142 affected: the continued delivery log lines do not have any DNSSEC, TLS
5013d912 143 Certificate or OCSP information. TLS cipher information is still logged.
875512a3 144
fc3f96af
JH
145JH/04 Shorten the log line for daemon startup by collapsing adjacent sets of
146 identical IP addresses on different listening ports. Will also affect
147 "exiwhat" output.
148
98913c8e
BK
149PP/02 Bug 2070: uClibc defines __GLIBC__ without providing glibc headers;
150 add noisy ifdef guards to special-case this sillyness.
151 Patch from Bernd Kuhls.
152
8d909960
JH
153JH/05 Tighten up the checking in isip4 (et al): dotted-quad components larger
154 than 255 are no longer allowed.
155
7006ee24
JH
156JH/06 Default openssl_options to include +no_ticket, to reduce load on peers.
157 Disable the session-cache too, which might reduce our load. Since we
158 currrectly use a new context for every connection, both as server and
159 client, there is no benefit for these.
160 GnuTLS appears to not support tickets server-side by default (we don't
161 call gnutls_session_ticket_enable_server()) but client side is enabled
162 by default on recent versions (3.1.3 +) unless the PFS priority string
163 is used (3.2.4 +).
164
6e411084
PP
165PP/03 Add $SOURCE_DATE_EPOCH support for reproducible builds, per spec at
166 <https://reproducible-builds.org/specs/source-date-epoch/>.
167
4c2471ca
JH
168JH/07 Fix smtp transport use of limited max_rcpt under mua_wrapper. Previously
169 the check for any unsuccessful recipients did not notice the limit, and
170 erroneously found still-pending ones.
171
4e910c01
JH
172JH/08 Pipeline CHUNKING command and data together, on kernels that support
173 MSG_MORE. Only in-clear (not on TLS connections).
174
42055a33
JH
175JH/09 Avoid using a temporary file during transport using dkim. Unless a
176 transport-filter is involved we can buffer the headers in memory for
177 creating the signature, and read the spool data file once for the
178 signature and again for transmission.
179
eeb35890
JH
180JH/10 Enable use of sendfile in Linux builds as default. It was disabled in
181 4.77 as the kernel support then wasn't solid, having issues in 64bit
7d758a6a 182 mode. Now, it's been long enough. Add support for FreeBSD also.
eeb35890 183
b7d3afcf
JH
184JH/11 Bug 2104: Fix continued use of a transport connection with TLS. In the
185 case where the routing stage had gathered several addresses to send to
186 a host before calling the transport for the first, we previously failed
187 to close down TLS in the old transport process before passing the TCP
188 connection to the new process. The new one sent a STARTTLS command
189 which naturally failed, giving a failed delivery and bloating the retry
190 database. Investigation and fix prototype from Wolfgang Breyha.
191
40525d07
JH
192JH/12 Fix check on SMTP command input synchronisation. Previously there were
193 false-negatives in the check that the sender had not preempted a response
194 or prompt from Exim (running as a server), due to that code's lack of
a5ffa9b4 195 awareness of the SMTP input buffering.
40525d07 196
f33875c3
PP
197PP/04 Add commandline_checks_require_admin option.
198 Exim drops privileges sanely, various checks such as -be aren't a
199 security problem, as long as you trust local users with access to their
200 own account. When invoked by services which pass untrusted data to
201 Exim, this might be an issue. Set this option in main configuration
202 AND make fixes to the calling application, such as using `--` to stop
203 processing options.
204
a5ffa9b4
JH
205JH/13 Do pipelining under TLS. Previously, although safe, no advantage was
206 taken. Now take care to pack both (client) MAIL,RCPT,DATA, and (server)
207 responses to those, into a single TLS record each way (this usually means
208 a single packet). As a side issue, smtp_enforce_sync now works on TLS
209 connections.
925ac8e4 210
6600985a
PP
211PP/05 OpenSSL/1.1: use DH_bits() for more accurate DH param sizes. This
212 affects you only if you're dancing at the edge of the param size limits.
213 If you are, and this message makes sense to you, then: raise the
214 configured limit or use OpenSSL 1.1. Nothing we can do for older
215 versions.
216
ac4d558b
JH
217JH/14 For the "sock" variant of the malware scanner interface, accept an empty
218 cmdline element to get the documented default one. Previously it was
219 inaccessible.
220
e69636bc
JH
221JH/15 Fix a crash in the smtp transport caused when two hosts in succession
222 are unsuable for non-message-specific reasons - eg. connection timeout,
223 banner-time rejection.
224
a843a57e
JH
225JH/16 Fix logging of delivery remote port, when specified by router, under
226 callout/hold.
227
8e041ae0
PP
228PP/06 Repair manualroute's ability to take options in any order, even if one
229 is the name of a transport.
833c70bc
PP
230 Fixes bug 2140.
231
35a04365
HSHR
232HS/01 Cleanup, prevent repeated use of -p/-oMr (CVE-2017-1000369)
233
4226691b
JH
234JH/17 Change the list-building routines interface to use the expanding-string
235 triplet model, for better allocation and copying behaviour.
236
d185889f
JH
237JH/18 Prebuild the data-structure for "builtin" macros, for faster startup.
238 Previously it was constructed the first time a possibly-matching string
239 was met in the configuration file input during startup; now it is done
240 during compilation.
241
0a6c178c
JH
242JH/19 Bug 2141: Use the full-complex API for Berkeley DB rather than the legacy-
243 compatible one, to avoid the (poorly documented) possibility of a config
244 file in the working directory redirecting the DB files, possibly correpting
02745400 245 some existing file. CVE-2017-10140 assigned for BDB.
0a6c178c 246
fae8970d
JH
247JH/20 Bug 2147: Do not defer for a verify-with-callout-and-random which is not
248 cache-hot. Previously, although the result was properly cached, the
249 initial verify call returned a defer.
250
ad1a76fe 251JH/21 Bug 2151: Avoid using SIZE on the MAIL for a callout verify, on any but
14de8063
JH
252 the main verify for receipient in uncached-mode.
253
ad1a76fe
JH
254JH/22 Retire historical build files to an "unsupported" subdir. These are
255 defined as "ones for which we have no current evidence of testing".
256
135e9496
JH
257JH/23 DKIM: enforce the DNS pubkey record "h" permitted-hashes optional field,
258 if present. Previously it was ignored.
259
f2ed27cf
JH
260JH/24 Start using specified-initialisers in C structure init coding. This is
261 a C99 feature (it's 2017, so now considered safe).
262
7eb0e5d2
JH
263JH/25 Use one-bit bitfields for flags in the "addr" data structure. Previously
264 if was a fixed-sized field and bitmask ops via macros; it is now more
265 extensible.
266
4f9f4be4
267PP/07 GitHub PR 56: Apply MariaDB build fix.
268 Patch provided by Jaroslav Škarvada.
269
dc4de9cc
PP
270PP/08 Bug 2161: Fix regression in sieve quoted-printable handling introduced
271 during Coverity cleanups [4.87 JH/47]
272 Diagnosis and fix provided by Michael Fischer v. Mollard.
273
ea18931d
JH
274JH/26 Fix DKIM bug: when the pseudoheader generated for signing was exactly
275 the right size to place the terminating semicolon on its own folded
276 line, the header hash was calculated to an incorrect value thanks to
277 the (relaxed) space the fold became.
278
2cee425a
HSHR
279HS/02 Fix Bug 2130: large writes from the transport subprocess where chunked
280 and confused the parent.
281
848214f7
JH
282JH/27 Fix SOCKS bug: an unitialized pointer was deref'd by the transport process
283 which could crash as a result. This could lead to undeliverable messages.
284
9e0ed81f
JH
285JH/28 Logging: "next input sent too soon" now shows where input was truncated
286 for log purposes.
287
2540f2f8
JH
288JH/29 Fix queue_run_in_order to ignore the PID portion of the message ID. This
289 matters on fast-turnover and PID-randomising systems, which were getting
290 out-of-order delivery.
291
e5ab0ba9
JH
292JH/30 Fix a logging bug on aarch64: an unsafe routine was previously used for
293 a possibly-overlapping copy. The symptom was that "Remote host closed
294 connection in response to HELO" was logged instead of the actual 4xx
295 error for the HELO.
296
e99a3a6c
JH
297JH/31 Fix CHUNKING code to properly flush the unwanted chunk after an error.
298 Previously only that bufferd was discarded, resulting in SYMTP command
299 desynchronisation.
300
18067c75
JH
301JH/32 DKIM: when a message has multiple signatures matching an identity given
302 in dkim_verify_signers, run the dkim acl once for each. Previously only
303 one run was done. Bug 2189.
304
72934ba7
JH
305JH/33 Downgrade an unfound-list name (usually a typo in the config file) from
306 "panic the current process" to "deliberately defer". The panic log is
307 still written with the problem list name; the mail and reject logs now
308 get a temp-reject line for the message that was being handled, saying
309 something like "domains check lookup or other defer". The SMTP 451
310 message is still "Temporary local problem".
311
625667b6
JH
312JH/34 Bug 2199: Fix a use-after-free while reading smtp input for header lines.
313 A crafted sequence of BDAT commands could result in in-use memory beeing
b488395f
JH
314 freed. CVE-2017-16943.
315
316HS/03 Bug 2201: Fix checking for leading-dot on a line during headers reading
317 from SMTP input. Previously it was always done; now only done for DATA
318 and not BDAT commands. CVE-2017-16944.
625667b6 319
d21bf202
JH
320JH/35 Bug 2201: Flush received data in BDAT mode after detecting an error fatal
321 to the message (such as an overlong header line). Previously this was
322 not done and we did not exit BDAT mode. Followon from the previous item
323 though a different problem.
324
acfc18c3 325
fd047340 326Exim version 4.89
acfc18c3 327-----------------
4c57a40e 328
9427e879 329JH/01 Bug 1922: Support IDNA2008. This has slightly different conversion rules
4c04137d 330 than -2003 did; needs libidn2 in addition to libidn.
fd047340 331
7b283890
JH
332JH/02 The path option on a pipe transport is now expanded before use.
333
4c57a40e
PP
334PP/01 GitHub PR 50: Do not call ldap_start_tls_s on ldapi:// connections.
335 Patch provided by "Björn", documentation fix added too.
336
5d036699
JH
337JH/03 Bug 2003: fix Proxy Protocol v2 handling: the address size field was
338 missing a wire-to-host endian conversion.
339
f4630439
JH
340JH/04 Bug 2004: fix CHUNKING in non-PIPELINEING mode. Chunk data following
341 close after a BDAT command line could be taken as a following command,
342 giving a synch failure. Fix by only checking for synch immediately
343 before acknowledging the chunk.
344
f988ce57
JS
345PP/02 GitHub PR 52: many spelling fixes, which include fixing parsing of
346 no_require_dnssec option and creation of _HAVE_TRANSPORT_APPEND_MAILDIR
347 macro. Patches provided by Josh Soref.
348
bd8fbe36
JH
349JH/05 Have the EHLO response advertise VRFY, if there is a vrfy ACL defined.
350 Previously we did not; the RFC seems ambiguous and VRFY is not listed
351 by IANA as a service extension. However, John Klensin suggests that we
352 should.
353
354JH/06 Bug 2017: Fix DKIM verification in -bh test mode. The data feed into
b895f4b2
JH
355 the dkim code may be unix-mode line endings rather than smtp wire-format
356 CRLF, so prepend a CR to any bare LF.
fd047340 357
bd8fbe36 358JH/07 Rationalise the coding for callout smtp conversations and transport ones.
902fbd69
JH
359 As a side-benfit, callouts can now use PIPELINING hence fewer round-trips.
360
bd8fbe36
JH
361JH/08 Bug 2016: Fix DKIM verification vs. CHUNKING. Any BDAT commands after
362 the first were themselves being wrongly included in the feed into dkim
363 processing; with most chunk sizes in use this resulted in an incorrect
364 body hash calculated value.
365
eea19017
JH
366JH/09 Bug 2014: permit inclusion of a DKIM-Signature header in a received
367 DKIM signature block, for verification. Although advised against by
368 standards it is specifically not ruled illegal.
369
44e6651b
JH
370JH/10 Bug 2025: Fix reception of (quoted) local-parts with embedded spaces.
371
372JH/11 Bug 2029: Fix crash in DKIM verification when a message signature block is
373 missing a body hash (the bh= tag).
374
375JH/12 Bug 2018: Re-order Proxy Protocol startup versus TLS-on-connect startup.
376 It seems that HAProxy sends the Proxy Protocol information in clear and
377 only then does a TLS startup, so do the same.
378
379JH/13 Bug 2027: Avoid attempting to use TCP Fast Open for non-transport client
380 TCP connections (such as for Spamd) unless the daemon successfully set
381 Fast Open mode on its listening sockets. This fixes breakage seen on
382 too-old kernels or those not configured for Fast Open, at the cost of
383 requiring both directions being enabled for TFO, and TFO never being used
384 by non-daemon-related Exim processes.
385
386JH/14 Bug 2000: Reject messages recieved with CHUNKING but with malformed line
387 endings, at least on the first header line. Try to canonify any that get
388 past that check, despite the cost.
389
b6040544
JH
390JH/15 Angle-bracket nesting (an error inserted by broken sendmails) levels are
391 now limited to an arbitrary five deep, while parsing addresses with the
392 strip_excess_angle_brackets option enabled.
393
f700ea4d
PP
394PP/03 Bug 2018: For Proxy Protocol and TLS-on-connect, do not over-read and
395 instead leave the unprompted TLS handshake in socket buffer for the
396 TLS library to consume.
397
da88acae
PP
398PP/04 Bug 2018: Also handle Proxy Protocol v2 safely.
399
f6ef9370
PP
400PP/05 FreeBSD compat: handle that Ports no longer create /usr/bin/perl
401
90341c71
JH
402JH/16 Drop variables when they go out of scope. Memory management drops a whole
403 region in one operation, for speed, and this leaves assigned pointers
404 dangling. Add checks run only under the testsuite which checks all
405 variables at a store-reset and panics on a dangling pointer; add code
406 explicitly nulling out all the variables discovered. Fixes one known
407 bug: a transport crash, where a dangling pointer for $sending_ip_address
408 originally assigned in a verify callout, is re-used.
409
1ec2ab36
PP
410PP/06 Drop '.' from @INC in various Perl scripts.
411
412PP/07 Switch FreeBSD iconv to always use the base-system libc functions.
413
414PP/08 Reduce a number of compilation warnings under clang; building with
415 CC=clang CFLAGS+=-Wno-dangling-else -Wno-logical-op-parentheses
416 should be warning-free.
417
8b2b9480
PP
418JH/17 Fix inbound CHUNKING when DKIM disabled at runtime.
419
420HS/01 Fix portability problems introduced by PP/08 for platforms where
421 realloc(NULL) is not equivalent to malloc() [SunOS et al].
422
d953610f
HSHR
423HS/02 Bug 1974: Fix missing line terminator on the last received BDAT
424 chunk. This allows us to accept broken chunked messages. We need a more
425 general solution here.
426
7dc5f827
PP
427PP/09 Wrote util/chunking_fixqueue_finalnewlines.pl to help recover
428 already-broken messages in the queue.
429
4bb432cb
PP
430JH/18 Bug 2061: Fix ${extract } corrupting an enclosing ${reduce } $value.
431
3b1a84c8
PP
432JH/19 Fix reference counting bug in routing-generated-address tracking.
433
902fbd69 434
8d042305
JH
435Exim version 4.88
436-----------------
4c57a40e 437
9094b84b
JH
438JH/01 Use SIZE on MAIL FROM in a cutthrough connection, if the destination
439 supports it and a size is available (ie. the sending peer gave us one).
8d042305 440
03d5892b
JH
441JH/02 The obsolete acl condition "demime" is removed (finally, after ten
442 years of being deprecated). The replacements are the ACLs
443 acl_smtp_mime and acl_not_smtp_mime.
444
4b0fe319
JH
445JH/03 Upgrade security requirements imposed for hosts_try_dane: previously
446 a downgraded non-dane trust-anchor for the TLS connection (CA-style)
447 or even an in-clear connection were permitted. Now, if the host lookup
448 was dnssec and dane was requested then the host is only used if the
449 TLSA lookup succeeds and is dnssec. Further hosts (eg. lower priority
450 MXs) will be tried (for hosts_try_dane though not for hosts_require_dane)
451 if one fails this test.
452 This means that a poorly-configured remote DNS will make it incommunicado;
453 but it protects against a DNS-interception attack on it.
454
789f8a4f
JH
455JH/04 Bug 1810: make continued-use of an open smtp transport connection
456 non-noisy when a race steals the message being considered.
457
23bb6982 458JH/05 If main configuration option tls_certificate is unset, generate a
f59aaaaa 459 self-signed certificate for inbound TLS connections.
23bb6982 460
0bd1b1ed 461JH/06 Bug 165: hide more cases of password exposure - this time in expansions
f42deca9 462 in rewrites and routers.
0bd1b1ed 463
20b9a2dc
JH
464JH/07 Retire gnutls_require_mac et.al. These were nonfunctional since 4.80
465 and logged a warning sing 4.83; now they are a configuration file error.
466
05392bbc
JH
467JH/08 Bug 1836: Fix crash in VRFY handling when handed an unqualified name
468 (lacking @domain). Apply the same qualification processing as RCPT.
469
1a6230a3
JH
470JH/09 Bug 1804: Avoid writing msglog files when in -bh or -bhc mode.
471
cfab9d68
JH
472JH/10 Support ${sha256:} applied to a string (as well as the previous
473 certificate).
474
98c82a3d
JH
475JH/11 Cutthrough: avoid using the callout hints db on a verify callout when
476 a cutthrough deliver is pending, as we always want to make a connection.
477 This also avoids re-routing the message when later placing the cutthrough
478 connection after a verify cache hit.
479 Do not update it with the verify result either.
480
481JH/12 Cutthrough: disable when verify option success_on_redirect is used, and
482 when routing results in more than one destination address.
483
ae8386f0
JH
484JH/13 Cutthrough: expand transport dkim_domain option when testing for dkim
485 signing (which inhibits the cutthrough capability). Previously only
486 the presence of an option was tested; now an expansion evaluating as
487 empty is permissible (obviously it should depend only on data available
488 when the cutthrough connection is made).
489
0d9fa8c0
JH
490JH/14 Fix logging of errors under PIPELINING. Previously the log line giving
491 the relevant preceding SMTP command did not note the pipelining mode.
492
3581f321
JH
493JH/15 Fix counting of empty lines in $body_linecount and $message_linecount.
494 Previously they were not counted.
495
ef3a1a30
JH
496JH/16 DANE: treat a TLSA lookup response having all non-TLSA RRs, the same
497 as one having no matching records. Previously we deferred the message
498 that needed the lookup.
499
4c04137d 500JH/17 Fakereject: previously logged as a normal message arrival "<="; now
27b9e5f4
JH
501 distinguished as "(=".
502
1435d4b2
JH
503JH/18 Bug 1867: make the fail_defer_domains option on a dnslookup router work
504 for missing MX records. Previously it only worked for missing A records.
505
eea0defe
JB
506JH/19 Bug 1850: support Radius libraries that return REJECT_RC.
507
508JH/20 Bug 1872: Ensure that acl_smtp_notquit is run when the connection drops
509 after the data-go-ahead and data-ack. Patch from Jason Betts.
860cdda2 510
4c04137d 511JH/21 Bug 1846: Send DMARC forensic reports for reject and quarantine results,
72a201e2
TM
512 even for a "none" policy. Patch from Tony Meyer.
513
1c788856
JH
514JH/22 Fix continued use of a connection for further deliveries. If a port was
515 specified by a router, it must also match for the delivery to be
516 compatible.
517
e3b1f624
JH
518JH/23 Bug 1874: fix continued use of a connection for further deliveries.
519 When one of the recipients of a message was unsuitable for the connection
520 (has no matching addresses), we lost track of needing to mark it
521 deferred. As a result mail would be lost.
522
a57ce043
JH
523JH/24 Bug 1832: Log EHLO response on getting conn-close response for HELO.
524
f59aaaaa 525JH/25 Decoding ACL controls is now done using a binary search; the source code
2d009132
JH
526 takes up less space and should be simpler to maintain. Merge the ACL
527 condition decode tables also, with similar effect.
d7bed771 528
d1f9fb42
JH
529JH/26 Fix problem with one_time used on a redirect router which returned the
530 parent address unchanged. A retry would see the parent address marked as
531 delivered, so not attempt the (identical) child. As a result mail would
532 be lost.
533
92b0827a
JH
534JH/27 Fix a possible security hole, wherein a process operating with the Exim
535 UID can gain a root shell. Credit to http://www.halfdog.net/ for
536 discovery and writeup. Ubuntu bug 1580454; no bug raised against Exim
537 itself :(
538
ddf1b11a
JH
539JH/28 Enable {spool,log} filesystem space and inode checks as default.
540 Main config options check_{log,spool}_{inodes,space} are now
541 100 inodes, 10MB unless set otherwise in the configuration.
542
3cc3f762
JH
543JH/29 Fix the connection_reject log selector to apply to the connect ACL.
544 Previously it only applied to the main-section connection policy
545 options.
546
ae5afa61
JH
547JH/30 Bug 1897: fix callouts connection fallback from TLS to cleartext.
548
317e40ac
PP
549PP/01 Changed default Diffie-Hellman parameters to be Exim-specific, created
550 by me. Added RFC7919 DH primes as an alternative.
551
8b0fb68e
PP
552PP/02 Unbreak build via pkg-config with new hash support when crypto headers
553 are not in the system include path.
554
ad7fc6eb 555JH/31 Fix longstanding bug with aborted TLS server connection handling. Under
f59aaaaa 556 GnuTLS, when a session startup failed (eg because the client disconnected)
ad7fc6eb
JH
557 Exim did stdio operations after fclose. This was exposed by a recent
558 change which nulled out the file handle after the fclose.
ad7fc6eb 559
ee5b1e28
JH
560JH/32 Bug 1909: Fix OCSP proof verification for cases where the proof is
561 signed directly by the cert-signing cert, rather than an intermediate
562 OCSP-signing cert. This is the model used by LetsEncrypt.
563
5ddc9771
JH
564JH/33 Bug 1914: Ensure socket is nonblocking before draining after SMTP QUIT.
565
8d73599f
JH
566HS/01 Fix leak in verify callout under GnuTLS, about 3MB per recipient on
567 an incoming connection.
568
446415f5
HSHR
569HS/02 Bug 1802: Do not half-close the connection after sending a request
570 to rspamd.
571
8e53a4fc
HSHR
572HS/03 Use "auto" as the default EC curve parameter. For OpenSSL < 1.0.2
573 fallback to "prime256v1".
8d042305 574
87cb4a16 575JH/34 SECURITY: Use proper copy of DATA command in error message.
4c57a40e 576 Could leak key material. Remotely exploitable. CVE-2016-9963.
87cb4a16
JH
577
578
0d9b78be
JH
579Exim version 4.87
580-----------------
4c57a40e 581
82d14d6a
JH
582JH/01 Bug 1664: Disable OCSP for GnuTLS library versions at/before 3.3.16
583 and 3.4.4 - once the server is enabled to respond to an OCSP request
584 it does even when not requested, resulting in a stapling non-aware
585 client dropping the TLS connection.
0d9b78be 586
6c6d6e48
TF
587TF/01 Code cleanup: Overhaul the debug_selector and log_selector machinery to
588 support variable-length bit vectors. No functional change.
589
ac881e27
TF
590TF/02 Improve the consistency of logging incoming and outgoing interfaces.
591 The I= interface field on outgoing lines is now after the H= remote
592 host field, same as incoming lines. There is a separate
593 outgoing_interface log selector which allows you to disable the
594 outgoing I= field.
595
c8899c20
JH
596JH/02 Bug 728: Close logfiles after a daemon-process "exceptional" log write.
597 If not running log_selector +smtp_connection the mainlog would be held
598 open indefinitely after a "too many connections" event, including to a
599 deleted file after a log rotate. Leave the per net connection logging
600 leaving it open for efficiency as that will be quickly detected by the
601 check on the next write.
602
f1b81d81
HSHR
603HS/01 Bug 1671: Fix post transport crash.
604 Processing the wait-<transport> messages could crash the delivery
605 process if the message IDs didn't exist for some reason. When
606 using 'split_spool_directory=yes' the construction of the spool
607 file name failed already, exposing the same netto behaviour.
608
f38917cc
JH
609JH/03 Bug 425: Capture substrings in $regex1, $regex2 etc from regex &
610 mime_regex ACL conditions.
611
895fbaf2
JH
612JH/04 Bug 1686: When compiled with EXPERIMENTAL_DSN_INFO: Add extra information
613 to DSN fail messages (bounces): remote IP, remote greeting, remote response
614 to HELO, local diagnostic string.
615
805bb5c3
JH
616JH/05 Downgrade message for a TLS-certificate-based authentication fail from
617 log line to debug. Even when configured with a tls authenticator many
618 client connections are expected to not authenticate in this way, so
619 an authenticate fail is not an error.
620
56c2a7be
HSHR
621HS/02 Add the Exim version string to the process info. This way exiwhat
622 gives some more detail about the running daemon.
623
4c04137d 624JH/06 Bug 1395: time-limit caching of DNS lookups, to the TTL value. This may
14b3c5bc
JH
625 matter for fast-change records such as DNSBLs.
626
6f6dedcc
JH
627JH/07 Bug 1678: Always record an interface option value, if set, as part of a
628 retry record, even if constant. There may be multiple transports with
629 different interface settings and the retry behaviour needs to be kept
630 distinct.
631
0f557e90
JH
632JH/08 Bug 1586: exiqgrep now refuses to run if there are unexpected arguments.
633
634JH/09 Bug 1700: ignore space & tab embedded in base64 during decode.
635
ec0eb1a3
JH
636JH/10 Bug 840: fix log_defer_output option of pipe transport
637
41e93589
JH
638JH/11 Bug 830: use same host for all RCPTS of a message, even under
639 hosts_randomize. This matters a lot when combined with mua_wrapper.
640
98b98887 641JH/12 Bug 1706: percent and underbar characters are no longer escaped by the
376d2ec0
JH
642 ${quote_pgsql:<string>} operator.
643
98b98887
JH
644JH/13 Bug 1708: avoid misaligned access in cached lookup.
645
858e91c2
JH
646JH/14 Change header file name for freeradius-client. Relevant if compiling
647 with Radius support; from the Gentoo tree and checked under Fedora.
648
649JH/15 Bug 1712: Introduce $prdr_requested flag variable
650
6ff55e50
JH
651JH/16 Bug 1714: Permit an empty string as expansion result for transport
652 option transport_filter, meaning no filtering.
653
3b957582
JB
654JH/17 Bug 1713: Fix non-PDKIM_DEBUG build. Patch from Jasen Betts.
655
23f3dc67
JH
656JH/18 Bug 1709: When built with TLS support, the tls_advertise_hosts option now
657 defaults to "*" (all hosts). The variable is now available when not built
4c04137d 658 with TLS, default unset, mainly to enable keeping the testsuite sane.
23f3dc67
JH
659 If a server certificate is not supplied (via tls_certificate) an error is
660 logged, and clients will find TLS connections fail on startup. Presumably
661 they will retry in-clear.
662 Packagers of Exim are strongly encouraged to create a server certificate
663 at installation time.
664
240c288f
JH
665HS/03 Add -bP config_file as a synonym for -bP configure_file, for consistency
666 with the $config_file variable.
667
5ef5dd52
JB
668JH/19 Two additional event types: msg:rcpt:defer and msg:rcpt:host:defer. Both
669 in transport context, after the attempt, and per-recipient. The latter type
670 is per host attempted. The event data is the error message, and the errno
671 information encodes the lookup type (A vs. MX) used for the (first) host,
4c04137d 672 and the trailing two digits of the smtp 4xx response.
5ef5dd52 673
e161710d
GF
674GF/01 Bug 1715: Fix for race condition in exicyclog, where exim could attempt
675 to write to mainlog (or rejectlog, paniclog) in the window between file
676 creation and permissions/ownership being changed. Particularly affects
677 installations where exicyclog is run as root, rather than exim user;
678 result is that the running daemon panics and dies.
679
a159f203
JH
680JH/20 Bug 1701: For MySQL lookups, support MySQL config file option group names.
681
7f06582c
JH
682JH/21 Bug 1720: Add support for priority groups and weighted-random proxy
683 selection for the EXPERIMENTAL_SOCKS feature, via new per-proxy options
684 "pri" and "weight". Note that the previous implicit priority given by the
685 list order is no longer honoured.
686
4c04137d 687JH/22 Bugs 963, 1721: Fix some corner cases in message body canonicalization
abe1010c
JH
688 for DKIM processing.
689
f0989ec0
JH
690JH/23 Move SOCKS5 support from Experimental to mainline, enabled for a build
691 by defining SUPPORT_SOCKS.
74f150bf 692
cee5f132
JH
693JH/26 Move PROXY support from Experimental to mainline, enabled for a build
694 by defining SUPPORT_PROXY. Note that the proxy_required_hosts option
e6d2a989
JH
695 is renamed to hosts_proxy, and the proxy_{host,target}_{address,port}.
696 variables are renamed to proxy_{local,external}_{address,port}.
cee5f132 697
8c5d388a
JH
698JH/27 Move Internationalisation support from Experimental to mainline, enabled
699 for a build by defining SUPPORT_I18N
700
2d8d625b
JH
701JH/28 Bug 1745: Fix redis lookups to handle (quoted) spaces embedded in parts
702 of the query string, and make ${quote_redis:} do that quoting.
703
0cbf2b82
JH
704JH/29 Move Events support from Experimental to mainline, enabled by default
705 and removable for a build by defining DISABLE_EVENT.
706
f2f2c91b
JH
707JH/30 Updated DANE implementation code to current from Viktor Dukhovni.
708
ce325893
JH
709JH/31 Fix bug with hosts_connection_nolog and named-lists which were wrongly
710 cached by the daemon.
711
de78e2d5
JH
712JH/32 Move Redis support from Experimental to mainline, enabled for a build
713 by defining LOOKUP_REDIS. The libhiredis library is required.
714
379ba7d0
JH
715JH/33 Bug 1748: Permit ACL dnslists= condition in non-smtp ACLs if explicit
716 keys are given for lookup.
717
f444c2c7
JH
718JH/34 Bug 1192: replace the embedded copy of PolarSSL RSA routines in the DKIM
719 support, by using OpenSSL or GnuTLS library ones. This means DKIM is
07c73177
JH
720 only supported when built with TLS support. The PolarSSL SHA routines
721 are still used when the TLS library is too old for convenient support.
f444c2c7 722
a57b6200
JH
723JH/35 Require SINGLE_DH_USE by default in OpenSSL (main config option
724 openssl_options), for security. OpenSSL forces this from version 1.1.0
725 server-side so match that on older versions.
726
07c73177 727JH/36 Bug 1778: longstanding bug in memory use by the ${run } expansion: A fresh
fa01e4f8 728 allocation for $value could be released as the expansion processing
07c73177 729 concluded, but leaving the global pointer active for it.
fa01e4f8 730
4f6ae5c3
JH
731JH/37 Bug 1769: Permit a VRFY ACL to override the default 252 response,
732 and to use the domains and local_parts ACL conditions.
733
1bc460a6
JH
734JH/38 Fix cutthrough bug with body lines having a single dot. The dot was
735 incorrectly not doubled on cutthrough transmission, hence seen as a
736 body-termination at the receiving system - resulting in truncated mails.
62ac2eb7 737 Commonly the sender saw a TCP-level error, and retransmitted the message
1bc460a6
JH
738 via the normal store-and-forward channel. This could result in duplicates
739 received - but deduplicating mailstores were liable to retain only the
740 initial truncated version.
741
ab9152ff 742JH/39 Bug 1781: Fix use of DKIM private-keys having trailing '=' in the base-64.
df3def24 743
67e87fcf
JH
744JH/40 Fix crash in queryprogram router when compiled with EXPERIMENTAL_SRS.
745
ab9152ff
JH
746JH/41 Bug 1792: Fix selection of headers to sign for DKIM: bottom-up. While
747 we're in there, support oversigning also; bug 1309.
748
af483912
JH
749JH/42 Bug 1796: Fix error logged on a malware scanner connection failure.
750
bc3c7bb7 751HS/04 Add support for keep_environment and add_environment options.
df3def24 752
13559da6
JH
753JH/43 Tidy coding issues detected by gcc --fsanitize=undefined. Some remain;
754 either intentional arithmetic overflow during PRNG, or testing config-
755 induced overflows.
756
59eaad2b
JH
757JH/44 Bug 1800: The combination of a -bhc commandline option and cutthrough
758 delivery resulted in actual delivery. Cancel cutthrough before DATA
759 stage.
760
f9334a28
JH
761JH/45 Fix cutthrough, when connection not opened by verify and target hard-
762 rejects a recipient: pass the reject to the originator.
763
dc8091e7
JH
764JH/46 Multiple issues raised by Coverity. Some were obvious or plausible bugs.
765 Many were false-positives and ignorable, but it's worth fixing the
766 former class.
767
dfe7d917
JH
768JH/47 Fix build on HP-UX and older Solaris, which need (un)setenv now also
769 for the new environment-manipulation done at startup. Move the routines
770 from being local to tls.c to being global via the os.c file.
771
93cc2d6e
JH
772JH/48 Bug 1807: Fix ${extract } for the numeric/3-string case. While preparsing
773 an extract embedded as result-arg for a map, the first arg for extract
774 is unavailable so we cannot tell if this is a numbered or keyed
775 extraction. Accept either.
776
13559da6 777
9c695f6d
JH
778Exim version 4.86
779-----------------
4c57a40e 780
9c695f6d
JH
781JH/01 Bug 1545: The smtp transport option "retry_include_ip_address" is now
782 expanded.
783
506900af
JH
784JH/02 The smtp transport option "multi_domain" is now expanded.
785
ad07e9ad
JH
786JH/03 The smtp transport now requests PRDR by default, if the server offers
787 it.
788
01a4a5c5 789JH/04 Certificate name checking on server certificates, when exim is a client,
b3ef41c9 790 is now done by default. The transport option tls_verify_cert_hostnames
01a4a5c5
JH
791 can be used to disable this per-host. The build option
792 EXPERIMENTAL_CERTNAMES is withdrawn.
793
cb1d7830 794JH/05 The value of the tls_verify_certificates smtp transport and main options
0e0f3f56 795 default to the word "system" to access the system default CA bundle.
cb1d7830
JH
796 For GnuTLS, only version 3.0.20 or later.
797
610ff438 798JH/06 Verification of the server certificate for a TLS connection is now tried
6d580f19
JH
799 (but not required) by default. The verification status is now logged by
800 default, for both outbound TLS and client-certificate supplying inbound
801 TLS connections
610ff438 802
f926e272
JH
803JH/07 Changed the default rfc1413 lookup settings to disable calls. Few
804 sites use this now.
805
50dc7409
JH
806JH/08 The EXPERIMENTAL_DSN compile option is no longer needed; all Delivery
807 Status Notification (bounce) messages are now MIME format per RFC 3464.
808 Support for RFC 3461 DSN options NOTIFY,ENVID,RET,ORCPT can be advertised
809 under the control of the dsn_advertise_hosts option, and routers may
810 have a dsn_lasthop option.
811
0f0c8159
JH
812JH/09 A timeout of 2 minutes is now applied to all malware scanner types by
813 default, modifiable by a malware= option. The list separator for
23763898 814 the options can now be changed in the usual way. Bug 68.
4e71661f 815
1ad6489e
JH
816JH/10 The smtp_receive_timeout main option is now expanded before use.
817
aeaf5db3
JH
818JH/11 The incoming_interface log option now also enables logging of the
819 local interface on delivery outgoing connections.
820
5032d1cf
JH
821JH/12 The cutthrough-routing facility now supports multi-recipient mails,
822 if the interface and destination host and port all match.
823
7e8360e6
JH
824JH/13 Bug 344: The verify = reverse_host_lookup ACL condition now accepts a
825 /defer_ok option.
826
c5f280e2
AL
827JH/14 Bug 1573: The spam= ACL condition now additionally supports Rspamd.
828 Patch from Andrew Lewis.
829
fd4d8871 830JH/15 Bug 670: The spamd_address main option (for the spam= ACL condition)
dc7b3d36 831 now supports optional time-restrictions, weighting, and priority
fd4d8871
R
832 modifiers per server. Patch originally by <rommer@active.by>.
833
834JH/16 The spamd_address main option now supports a mixed list of local
2aad5761
JH
835 and remote servers. Remote servers can be IPv6 addresses, and
836 specify a port-range.
fd4d8871 837
23763898
JH
838JH/17 Bug 68: The spamd_address main option now supports an optional
839 timeout value per server.
840
2ad78978
JH
841JH/18 Bug 1581: Router and transport options headers_add/remove can
842 now have the list separator specified.
843
8a512ed5 844JH/19 Bug 392: spamd_address, and clamd av_scanner, now support retry
cfab9d68 845 option values.
8a512ed5 846
82c0c8ea 847JH/20 Bug 1571: Ensure that $tls_in_peerdn is set, when verification fails
f69979cf
JH
848 under OpenSSL.
849
cc00f4af
JH
850JH/21 Support for the A6 type of dns record is withdrawn.
851
82c0c8ea
JH
852JH/22 Bug 608: The result of a QUIT or not-QUIT toplevel ACL now matters
853 rather than the verbs used.
854
b980ed83
JH
855JH/23 Bug 1572: Increase limit on SMTP confirmation message copy size
856 from 255 to 1024 chars.
857
6c9ed72e
JH
858JH/24 Verification callouts now attempt to use TLS by default.
859
cfab9d68 860HS/01 DNSSEC options (dnssec_require_domains, dnssec_request_domains)
99c1bb4e 861 are generic router options now. The defaults didn't change.
50dc7409 862
f846c8f5
JH
863JH/25 Bug 466: Add RFC2322 support for MIME attachment filenames.
864 Original patch from Alexander Shikoff, worked over by JH.
865
fd4c285c
HSHR
866HS/02 Bug 1575: exigrep falls back to autodetection of compressed
867 files if ZCAT_COMMAND is not executable.
868
4c04137d 869JH/26 Bug 1539: Add timeout/retry options on dnsdb lookups.
fd7f7910 870
d2a2c69b
JH
871JH/27 Bug 286: Support SOA lookup in dnsdb lookups.
872
8241d8dd
JH
873JH/28 Bug 1588: Do not use the A lookup following an AAAA for setting the FQDN.
874 Normally benign, it bites when the pair was led to by a CNAME;
4c04137d 875 modern usage is to not canonicalize the domain to a CNAME target
8241d8dd
JH
876 (and we were inconsistent anyway for A-only vs AAAA+A).
877
1f12df4d
JH
878JH/29 Bug 1632: Removed the word "rejected" from line logged for ACL discards.
879
1f155f8e
JH
880JH/30 Check the forward DNS lookup for DNSSEC, in addition to the reverse,
881 when evaluating $sender_host_dnssec.
882
1705dd20
JH
883JH/31 Check the HELO verification lookup for DNSSEC, adding new
884 $sender_helo_dnssec variable.
885
038597d2
PP
886JH/32 Bug 1397: Enable ECDHE on OpenSSL, just the NIST P-256 curve.
887
474f71bf
JH
888JH/33 Bug 1346: Note MAIL cmd seen in -bS batch, to avoid smtp_no_mail log.
889
7137ca4b
JH
890JH/34 Bug 1648: Fix a memory leak seen with "mailq" and large queues.
891
dcb1095c
JH
892JH/35 Bug 1642: Fix support of $spam_ variables at delivery time. Was
893 documented as working, but never had. Support all but $spam_report.
894
2f460950
JH
895JH/36 Bug 1659: Guard checking of input smtp commands again pseudo-command
896 added for tls authenticator.
897
2f680c0c
HSHR
898HS/03 Add perl_taintmode main config option
899
9c695f6d 900
e449c3b0
TL
901Exim version 4.85
902-----------------
4c57a40e 903
e449c3b0
TL
904TL/01 When running the test suite, the README says that variables such as
905 no_msglog_check are global and can be placed anywhere in a specific
906 test's script, however it was observed that placement needed to be near
907 the beginning for it to behave that way. Changed the runtest perl
908 script to read through the entire script once to detect and set these
909 variables, reset to the beginning of the script, and then run through
910 the script parsing/test process like normal.
911
ac20058f
TL
912TL/02 The BSD's have an arc4random API. One of the functions to induce
913 adding randomness was arc4random_stir(), but it has been removed in
914 OpenBSD 5.5. Detect this OpenBSD version and skip calling this
915 function when detected.
916
a9b8ec8b
JH
917JH/01 Expand the EXPERIMENTAL_TPDA feature. Several different events now
918 cause callback expansion.
919
6286d7c4
TL
920TL/03 Bugzilla 1518: Clarify "condition" processing in routers; that
921 syntax errors in an expansion can be treated as a string instead of
922 logging or causing an error, due to the internal use of bool_lax
923 instead of bool when processing it.
924
0f06b4f2 925JH/02 Add EXPERIMENTAL_DANE, allowing for using the DNS as trust-anchor for
d567a64d
JH
926 server certificates when making smtp deliveries.
927
be36e572
JH
928JH/03 Support secondary-separator specifier for MX, SRV, TLSA lookups.
929
ac4ef9bd
JH
930JH/04 Add ${sort {list}{condition}{extractor}} expansion item.
931
0eb51736
TL
932TL/04 Bugzilla 1216: Add -M (related messages) option to exigrep.
933
c713ca4b
TL
934TL/05 GitHub Issue 18: Adjust logic testing for true/false in redis lookups.
935 Merged patch from Sebastian Wiedenroth.
e449c3b0 936
bd21a787
WB
937JH/05 Fix results-pipe from transport process. Several recipients, combined
938 with certificate use, exposed issues where response data items split
939 over buffer boundaries were not parsed properly. This eventually
940 resulted in duplicates being sent. This issue only became common enough
4c04137d 941 to notice due to the introduction of connection certificate information,
bd21a787
WB
942 the item size being so much larger. Found and fixed by Wolfgang Breyha.
943
8bc732e8
JH
944JH/06 Bug 1533: Fix truncation of items in headers_remove lists. A fixed
945 size buffer was used, resulting in syntax errors when an expansion
946 exceeded it.
947
a7fec7a7
JH
948JH/07 Add support for directories of certificates when compiled with a GnuTLS
949 version 3.3.6 or later.
950
4c04137d 951JH/08 Rename the TPDA experimental facility to Event Actions. The #ifdef
774ef2d7
JH
952 is EXPERIMENTAL_EVENT, the main-configuration and transport options
953 both become "event_action", the variables become $event_name, $event_data
aec45841 954 and $event_defer_errno. There is a new variable $verify_mode, usable in
723fe533
JH
955 routers, transports and related events. The tls:cert event is now also
956 raised for inbound connections, if the main configuration event_action
957 option is defined.
774ef2d7 958
eca4debb
TL
959TL/06 In test suite, disable OCSP for old versions of openssl which contained
960 early OCSP support, but no stapling (appears to be less than 1.0.0).
961
8d692470
JH
962JH/09 When compiled with OpenSSL and EXPERIMENTAL_CERTNAMES, the checks on
963 server certificate names available under the smtp transport option
964 "tls_verify_cert_hostname" now do not permit multi-component wildcard
965 matches.
966
e9477a08
JH
967JH/10 Time-related extraction expansions from certificates now use the main
968 option "timezone" setting for output formatting, and are consistent
969 between OpenSSL and GnuTLS compilations. Bug 1541.
970
ad4c5ff9
JH
971JH/11 Fix a crash in mime ACL when meeting a zero-length, quoted or RFC2047-
972 encoded parameter in the incoming message. Bug 1558.
8dea5edf
JH
973
974JH/12 Bug 1527: Autogrow buffer used in reading spool files. Since they now
975 include certificate info, eximon was claiming there were spoolfile
976 syntax errors.
977
3394b36a 978JH/13 Bug 1521: Fix ldap lookup for single-attr request, multiple-attr return.
8dea5edf
JH
979
980JH/14 Log delivery-related information more consistently, using the sequence
981 "H=<name> [<ip>]" wherever possible.
982
3394b36a
TL
983TL/07 Bug 1547: Omit RFCs from release. Draft and RFCs have licenses which
984 are problematic for Debian distribution, omit them from the release
985 tarball.
986
ad4c5ff9
JH
987JH/15 Updates and fixes to the EXPERIMENTAL_DSN feature.
988
4c04137d 989JH/16 Fix string representation of time values on 64bit time_t architectures.
ad4c5ff9
JH
990 Bug 1561.
991
992JH/17 Fix a null-indirection in certextract expansions when a nondefault
993 output list separator was used.
994
8bc732e8 995
1f0ebb98
TL
996Exim version 4.84
997-----------------
09728d20
TL
998TL/01 Bugzilla 1506: Re-add a 'return NULL' to silence complaints from static
999 checkers that were complaining about end of non-void function with no
1000 return.
1f0ebb98 1001
a612424f 1002JH/01 Bug 1513: Fix parsing of quoted parameter values in MIME headers.
4c04137d 1003 This was a regression introduced in 4.83 by another bugfix.
a612424f
JH
1004
1005JH/02 Fix broken compilation when EXPERIMENTAL_DSN is enabled.
1006
1007TL/02 Bug 1509: Fix exipick for enhanced spoolfile specification used when
a9b8ec8b 1008 EXPERIMENTAL_DSN is enabled. Fix from Wolfgang Breyha.
a612424f 1009
1f0ebb98 1010
c0e56233
TF
1011Exim version 4.83
1012-----------------
1013
1014TF/01 Correctly close the server side of TLS when forking for delivery.
1015
1016 When a message was received over SMTP with TLS, Exim failed to clear up
1017 the incoming connection properly after forking off the child process to
1018 deliver the message. In some situations the subsequent outgoing
1019 delivery connection happened to have the same fd number as the incoming
1020 connection previously had. Exim would try to use TLS and fail, logging
1021 a "Bad file descriptor" error.
1022
7245734e
TF
1023TF/02 Portability fix for building lookup modules on Solaris when the xpg4
1024 utilities have not been installed.
1025
fd5dad68
JH
1026JH/01 Fix memory-handling in use of acl as a conditional; avoid free of
1027 temporary space as the ACL may create new global variables.
1028
5428a946
TL
1029TL/01 LDAP support uses per connection or global context settings, depending
1030 upon the detected version of the libraries at build time.
1031
a3c86431
TL
1032TL/02 Experimental Proxy Protocol support: allows a proxied SMTP connection
1033 to extract and use the src ip:port in logging and expansions as if it
8ded8589
TL
1034 were a direct connection from the outside internet. PPv2 support was
1035 updated based on HAProxy spec change in May 2014.
a3c86431 1036
aa26e137
JH
1037JH/02 Add ${listextract {number}{list}{success}{fail}}.
1038
5a1b8443
WB
1039TL/03 Bugzilla 1433: Fix DMARC SEGV with specific From header contents.
1040 Properly escape header and check for NULL return.
1041
72c9e342
PP
1042PP/01 Continue incomplete 4.82 PP/19 by fixing docs too: use dns_dnssec_ok
1043 not dns_use_dnssec.
1044
76f44207
WB
1045JH/03 Bugzilla 1157: support log_selector smtp_confirmation for lmtp.
1046
770747fd
MFM
1047TL/04 Add verify = header_names_ascii check to reject email with non-ASCII
1048 characters in header names, implemented as a verify condition.
1049 Contributed by Michael Fischer v. Mollard.
1050
8ddef691 1051TL/05 Rename SPF condition results err_perm and err_temp to standardized
982650ec
TL
1052 results permerror and temperror. Previous values are deprecated but
1053 still accepted. In a future release, err_perm and err_temp will be
1054 completely removed, which will be a backward incompatibility if the
1055 ACL tests for either of these two old results. Patch contributed by
8ddef691 1056 user bes-internal on the mailing list.
c0e56233 1057
b9c2e32f
AR
1058JH/04 Add ${utf8clean:} operator. Contributed by Alex Rau.
1059
e45a1c37
JH
1060JH/05 Bugzilla 305: Log incoming-TLS details on rejects, subject to log
1061 selectors, in both main and reject logs.
1062
67d81c10
JH
1063JH/06 Log outbound-TLS and port details, subject to log selectors, for a
1064 failed delivery.
1065
b1f8e4f8
JH
1066JH/07 Add malware type "sock" for talking to simple daemon.
1067
511a6c14 1068JH/08 Bugzilla 1371: Add tls_{,try_}verify_hosts to smtp transport.
511a6c14
JH
1069
1070JH/09 Bugzilla 1431: Support (with limitations) headers_add/headers_remove in
1071 routers/transports under cutthrough routing.
214042d2 1072
51c7471d
JH
1073JH/10 Bugzilla 1005: ACL "condition =" should accept values which are negative
1074 numbers. Touch up "bool" conditional to keep the same definition.
1075
3695be34
TL
1076TL/06 Remove duplicated language in spec file from 4.82 TL/16.
1077
1e06383a
TL
1078JH/11 Add dnsdb tlsa lookup. From Todd Lyons.
1079
76146973
JH
1080JH/12 Expand items in router/transport headers_add or headers_remove lists
1081 individually rather than the list as a whole. Bug 1452.
1082
1083 Required for reasonable handling of multiple headers_ options when
1084 they may be empty; requires that headers_remove items with embedded
1085 colons must have them doubled (or the list-separator changed).
1086
8c8b8274
TL
1087TL/07 Add new dmarc expansion variable $dmarc_domain_policy to directly
1088 view the policy declared in the DMARC record. Currently, $dmarc_status
1089 is a combined value of both the record presence and the result of the
1090 analysis.
b1f8e4f8 1091
35aba663
JH
1092JH/13 Fix handling of $tls_cipher et.al. in (non-verify) transport. Bug 1455.
1093
8c51eead 1094JH/14 New options dnssec_request_domains, dnssec_require_domains on the
578897ea
JH
1095 dnslookup router and the smtp transport (applying to the forward
1096 lookup).
8c51eead 1097
deae092e
HS
1098TL/08 Bugzilla 1453: New LDAP "SERVERS=" option allows admin to override list
1099 of ldap servers used for a specific lookup. Patch provided by Heiko
1100 Schlichting.
35aba663 1101
fd3b6a4a 1102JH/18 New options dnssec_lax, dnssec_strict on dnsdb lookups.
4e0983dc 1103 New variable $lookup_dnssec_authenticated for observability.
fd3b6a4a 1104
8d91c6dc
LT
1105TL/09 Bugzilla 609: Add -C option to exiqgrep, specify which exim.conf to use.
1106 Patch submitted by Lars Timman.
1107
2b4a568d
JH
1108JH/19 EXPERIMENTAL_OCSP support under GnuTLS. Bug 1459.
1109
d2af03f4
HS
1110TL/10 Bugzilla 1454: New -oMm option to pass message reference to Exim.
1111 Requires trusted mode and valid format message id, aborts otherwise.
1112 Patch contributed by Heiko Schlichting.
1113
9d1c15ef
JH
1114JH/20 New expansion variables tls_(in,out)_(our,peer)cert, and expansion item
1115 certextract with support for various fields. Bug 1358.
1116
44662487
JH
1117JH/21 Observability of OCSP via variables tls_(in,out)_ocsp. Stapling
1118 is requested by default, modifiable by smtp transport option
6a8a60e0
JH
1119 hosts_request_ocsp.
1120
ed3bba5f 1121JH/22 Expansion operators ${md5:string} and ${sha1:string} can now
6a8a60e0 1122 operate on certificate variables to give certificate fingerprints
9ef9101c 1123 Also new ${sha256:cert_variable}.
44662487 1124
8ccd00b1
JH
1125JH/23 The PRDR feature is moved from being Experimental into the mainline.
1126
8ded8589
TL
1127TL/11 Bug 1119: fix memory allocation in string_printing2(). Patch from
1128 Christian Aistleitner.
1129
f2de3a33
JH
1130JH/24 The OCSP stapling feature is moved from Experimental into the mainline.
1131
6eb02f88
TL
1132TL/12 Bug 1444: Fix improper \r\n sequence handling when writing spool
1133 file. Patch from Wolfgang Breyha.
1134
00bff6f6
JH
1135JH/25 Expand the coverage of the delivery $host and $host_address to
1136 client authenticators run in verify callout. Bug 1476.
1137
071c51f7
JH
1138JH/26 Port service names are now accepted for tls_on_connect_ports, to
1139 align with daemon_smtp_ports. Bug 72.
1140
a6d4c44e
TF
1141TF/03 Fix udpsend. The ip_connectedsocket() function's socket type
1142 support and error reporting did not work properly.
1143
3ae173e7
ACK
1144TL/13 Bug 1495: Exiqgrep check if -C config file specified on cli exists
1145 and is readable. Patch from Andrew Colin Kissa.
1146
c13d09b8
TL
1147TL/14 Enhance documentation of ${run expansion and how it parses the
1148 commandline after expansion, particularly in the case when an
1149 unquoted variable expansion results in an empty value.
1150
0df4ab80
JH
1151JH/27 The TLS SNI feature was broken in 4.82. Fix it.
1152
66be95e0
PP
1153PP/02 Fix internal collision of T_APL on systems which support RFC3123
1154 by renaming away from it. Addresses GH issue 15, reported by
1155 Jasper Wallace.
1156
1bd0d12b
JH
1157JH/28 Fix parsing of MIME headers for parameters with quoted semicolons.
1158
0de7239e
TL
1159TL/15 SECURITY: prevent double expansion in math comparison functions
1160 (can expand unsanitized data). Not remotely exploitable.
1161 CVE-2014-2972
1162
fd3b6a4a 1163
2c422e6f 1164Exim version 4.82
98a90c36
PP
1165-----------------
1166
1167PP/01 Add -bI: framework, and -bI:sieve for querying sieve capabilities.
1168
12f69989
PP
1169PP/02 Make -n do something, by making it not do something.
1170 When combined with -bP, the name of an option is not output.
1171
54c90be1
PP
1172PP/03 Added tls_dh_min_bits SMTP transport driver option, only honoured
1173 by GnuTLS.
1174
1f4a55da
PP
1175PP/04 First step towards DNSSEC, provide $sender_host_dnssec for
1176 $sender_host_name and config options to manage this, and basic check
1177 routines.
1178
13363eba 1179PP/05 DSCP support for outbound connections and control modifier for inbound.
36a3ae5f 1180
66645890 1181PP/06 Cyrus SASL: set local and remote IP;port properties for driver.
e402235f
PP
1182 (Only plugin which currently uses this is kerberos4, which nobody should
1183 be using, but we should make it available and other future plugins might
1184 conceivably use it, even though it would break NAT; stuff *should* be
1185 using channel bindings instead).
66645890 1186
a3fb9793 1187PP/07 Handle "exim -L <tag>" to indicate to use syslog with tag as the process
f4ee74ac
PP
1188 name; added for Sendmail compatibility; requires admin caller.
1189 Handle -G as equivalent to "control = suppress_local_fixups" (we used to
1190 just ignore it); requires trusted caller.
a3fb9793 1191 Also parse but ignore: -Ac -Am -X<logfile>
f4ee74ac 1192 Bugzilla 1117.
a3fb9793 1193
d27f98fe 1194TL/01 Bugzilla 1258 - Refactor MAIL FROM optional args processing.
98a90c36 1195
6822b909
TL
1196TL/02 Add +smtp_confirmation as a default logging option.
1197
e7568d51
TL
1198TL/03 Bugzilla 198 - Implement remove_header ACL modifier.
1199 Patch by Magnus Holmgren from 2007-02-20.
1200
ae0e32ee 1201TL/04 Bugzilla 1281 - Spec typo.
ca0ff207 1202 Bugzilla 1283 - Spec typo.
97f42f10 1203 Bugzilla 1290 - Spec grammar fixes.
ca0ff207
TL
1204
1205TL/05 Bugzilla 1285 - Spec omission, fix docbook errors for spec.txt creation.
ae0e32ee 1206
e2658fff
TL
1207TL/06 Add Experimental DMARC support using libopendmarc libraries.
1208
83712b39
TL
1209TL/07 Fix an out of order global option causing a segfault. Reported to dev
1210 mailing list by by Dmitry Isaikin.
1211
976b7e9f
JH
1212JH/01 Bugzilla 1201 & 304 - New cutthrough-delivery feature, with TLS support.
1213
be4a1376
JH
1214JH/02 Support "G" suffix to numbers in ${if comparisons.
1215
ec4b68e5
PP
1216PP/08 Handle smtp transport tls_sni option forced-fail for OpenSSL.
1217
d7148a07
NM
1218NM/01 Bugzilla 1197 - Spec typo
1219 Bugzilla 1196 - Spec examples corrections
ec4b68e5 1220
585121e2 1221JH/03 Add expansion operators ${listnamed:name} and ${listcount:string}
ec4b68e5 1222
2519e60d
TL
1223PP/09 Add gnutls_allow_auto_pkcs11 option (was originally called
1224 gnutls_enable_pkcs11, but renamed to more accurately indicate its
1225 function.
a5f239e4 1226
13d08c90
PP
1227PP/10 Let Linux makefile inherit CFLAGS/CFLAGS_DYNAMIC.
1228 Pulled from Debian 30_dontoverridecflags.dpatch by Andreas Metzler.
1229
bef3ea7f
JH
1230JH/04 Add expansion item ${acl {name}{arg}...}, expansion condition
1231 "acl {{name}{arg}...}", and optional args on acl condition
1232 "acl = name arg..."
a5f239e4 1233
846726c5
JH
1234JH/05 Permit multiple router/transport headers_add/remove lines.
1235
3a796370
JH
1236JH/06 Add dnsdb pseudo-lookup "a+" to do an "aaaa" + "a" combination.
1237
ea722490 1238JH/07 Avoid using a waiting database for a single-message-only transport.
8b260705
PP
1239 Performance patch from Paul Fisher. Bugzilla 1262.
1240
b1b05573
JH
1241JH/08 Strip leading/trailing newlines from add_header ACL modifier data.
1242 Bugzilla 884.
1243
362145b5
JH
1244JH/09 Add $headers_added variable, with content from use of ACL modifier
1245 add_header (but not yet added to the message). Bugzilla 199.
1246
3c0a92dc
JH
1247JH/10 Add 8bitmime log_selector, for 8bitmime status on the received line.
1248 Pulled from Bugzilla 817 by Wolfgang Breyha.
1249
6d7c6175
PP
1250PP/11 SECURITY: protect DKIM DNS decoding from remote exploit.
1251 CVE-2012-5671
e78e6ecf 1252 (nb: this is the same fix as in Exim 4.80.1)
6d7c6175 1253
6f123593
JH
1254JH/11 Add A= logging on delivery lines, and a client_set_id option on
1255 authenticators.
1256
c8e2fc1e
JH
1257JH/12 Add optional authenticated_sender logging to A= and a log_selector
1258 for control.
1259
005ac57f
PP
1260PP/12 Unbreak server_set_id for NTLM/SPA auth, broken by 4.80 PP/29.
1261
3f1df0e3
PP
1262PP/13 Dovecot auth: log better reason to rejectlog if Dovecot did not
1263 advertise SMTP AUTH mechanism to us, instead of a generic
1264 protocol violation error. Also, make Exim more robust to bad
1265 data from the Dovecot auth socket.
1266
67bd1ab3
TF
1267TF/01 Fix ultimate retry timeouts for intermittently deliverable recipients.
1268
1269 When a queue runner is handling a message, Exim first routes the
1270 recipient addresses, during which it prunes them based on the retry
1271 hints database. After that it attempts to deliver the message to
1272 any remaining recipients. It then updates the hints database using
1273 the retry rules.
1274
1275 So if a recipient address works intermittently, it can get repeatedly
1276 deferred at routing time. The retry hints record remains fresh so the
1277 address never reaches the final cutoff time.
1278
1279 This is a fairly common occurrence when a user is bumping up against
1280 their storage quota. Exim had some logic in its local delivery code
1281 to deal with this. However it did not apply to per-recipient defers
1282 in remote deliveries, e.g. over LMTP to a separate IMAP message store.
1283
1ddeb334
TF
1284 This change adds a proper retry rule check during routing so that the
1285 final cutoff time is checked against the message's age. We only do
1286 this check if there is an address retry record and there is not a
1287 domain retry record; this implies that previous attempts to handle
1288 the address had the retry_use_local_parts option turned on. We use
1289 this as an approximation for the destination being like a local
1290 delivery, as in LMTP.
67bd1ab3
TF
1291
1292 I suspect this new check makes the old local delivery cutoff check
1293 redundant, but I have not verified this so I left the code in place.
1294
326cdc37
TF
1295TF/02 Correct gecos expansion when From: is a prefix of the username.
1296
1297 Test 0254 submits a message to Exim with the header
1298
1299 Resent-From: f
1300
1301 When I ran the test suite under the user fanf2, Exim expanded
1302 the header to contain my full name, whereas it should have added
1303 a Resent-Sender: header. It erroneously treats any prefix of the
1304 username as equal to the username.
1305
1306 This change corrects that bug.
1307
f62514b3
GF
1308GF/01 DCC debug and logging tidyup
1309 Error conditions log to paniclog rather than rejectlog.
1310 Debug lines prefixed by "DCC: " to remove any ambiguity.
1311
eb505532
TF
1312TF/03 Avoid unnecessary rebuilds of lookup-related code.
1313
14c7b357
PP
1314PP/14 Fix OCSP reinitialisation in SNI handling for Exim/TLS as server.
1315 Bug spotted by Jeremy Harris; was flawed since initial commit.
1316 Would have resulted in OCSP responses post-SNI triggering an Exim
1317 NULL dereference and crash.
1318
94eaf700
PP
1319JH/13 Add $router_name and $transport_name variables. Bugzilla 308.
1320
6f5a440a
PP
1321PP/15 Define SIOCGIFCONF_GIVES_ADDR for GNU Hurd.
1322 Bug detection, analysis and fix by Samuel Thibault.
1323 Bugzilla 1331, Debian bug #698092.
1324
514ee161
SC
1325SC/01 Update eximstats to watch out for senders sending 'HELO [IpAddr]'
1326
fd98a5c6
JH
1327JH/14 SMTP PRDR (http://www.eric-a-hall.com/specs/draft-hall-prdr-00.txt).
1328 Server implementation by Todd Lyons, client by JH.
1329 Only enabled when compiled with EXPERIMENTAL_PRDR. A new
1330 config variable "prdr_enable" controls whether the server
1331 advertises the facility. If the client requests PRDR a new
1332 acl_data_smtp_prdr ACL is called once for each recipient, after
1333 the body content is received and before the acl_smtp_data ACL.
4c04137d 1334 The client is controlled by both of: a hosts_try_prdr option
fd98a5c6
JH
1335 on the smtp transport, and the server advertisement.
1336 Default client logging of deliveries and rejections involving
1337 PRDR are flagged with the string "PRDR".
1338
035c7f1e
PP
1339PP/16 Fix problems caused by timeouts during quit ACLs trying to double
1340 fclose(). Diagnosis by Todd Lyons.
1341
ff284120
PP
1342PP/17 Update configure.default to handle IPv6 localhost better.
1343 Patch by Alain Williams (plus minor tweaks).
1344 Bugzilla 880.
1345
26e72755
PP
1346PP/18 OpenSSL made graceful with empty tls_verify_certificates setting.
1347 This is now consistent with GnuTLS, and is now documented: the
1348 previous undocumented portable approach to treating the option as
1349 unset was to force an expansion failure. That still works, and
1350 an empty string is now equivalent.
1351
0fbd9bff
PP
1352PP/19 Renamed DNSSEC-enabling option to "dns_dnssec_ok", to make it
1353 clearer that Exim is using the DO (DNSSEC OK) EDNS0 resolver flag,
1354 not performing validation itself.
1355
700d22f3
PP
1356PP/20 Added force_command boolean option to pipe transport.
1357 Patch from Nick Koston, of cPanel Inc.
1358
fcc8e047
JH
1359JH/15 AUTH support on callouts (and hence cutthrough-deliveries).
1360 Bugzilla 321, 823.
1361
4c04137d 1362TF/04 Added udpsend ACL modifier and hexquote expansion operator
7142daca 1363
8c020188
PP
1364PP/21 Fix eximon continuous updating with timestamped log-files.
1365 Broken in a format-string cleanup in 4.80, missed when I repaired the
1366 other false fix of the same issue.
1367 Report and fix from Heiko Schlichting.
1368 Bugzilla 1363.
1369
d13cdd30
PP
1370PP/22 Guard LDAP TLS usage against Solaris LDAP variant.
1371 Report from Prashanth Katuri.
1372
e2fbf4a2
PP
1373PP/23 Support safari_ecdhe_ecdsa_bug for openssl_options.
1374 It's SecureTransport, so affects any MacOS clients which use the
1375 system-integrated TLS libraries, including email clients.
1376
f4c1088b
PP
1377PP/24 Fix segfault from trying to fprintf() to a NULL stdio FILE* if
1378 using a MIME ACL for non-SMTP local injection.
1379 Report and assistance in diagnosis by Warren Baker.
1380
c5c2182f
PP
1381TL/08 Adjust exiqgrep to be case-insensitive for sender/receiver.
1382
73431ca9
JH
1383JH/16 Fix comparisons for 64b. Bugzilla 1385.
1384
2d07a215
TL
1385TL/09 Add expansion variable $authenticated_fail_id to keep track of
1386 last id that failed so it may be referenced in subsequent ACL's.
1387
a30a8861
TL
1388TL/10 Bugzilla 1375 - Prevent TLS rebinding in ldap. Patch provided by
1389 Alexander Miroch.
1390
33382dd9
TL
1391TL/11 Bugzilla 1382 - Option ldap_require_cert overrides start_tls
1392 ldap library initialization, allowing self-signed CA's to be
1393 used. Also properly sets require_cert option later in code by
1394 using NULL (global ldap config) instead of ldap handle (per
1395 session). Bug diagnosis and testing by alxgomz.
6d7c6175 1396
046172e6
TL
1397TL/12 Enhanced documentation in the ratelimit.pl script provided in
1398 the src/util/ subdirectory.
1399
581d7bee 1400TL/13 Bug 1031 - Imported transport SQL logging patch from Axel Rau
1a7b746d 1401 renamed to Transport Post Delivery Action by Jeremy Harris, as
9bdd29ad
TL
1402 EXPERIMENTAL_TPDA.
1403
1404TL/14 Bugzilla 1217 - Redis lookup support has been added. It is only enabled
1405 when Exim is compiled with EXPERIMENTAL_REDIS. A new config variable
1406 redis_servers = needs to be configured which will be used by the redis
1407 lookup. Patch from Warren Baker, of The Packet Hub.
1408
237b2cf2
TL
1409TL/15 Fix exiqsumm summary for corner case. Patch provided by Richard Hall.
1410
9fc5a352
TL
1411TL/16 Bugzilla 1289 - Clarify host/ip processing when have errors looking up a
1412 hostname or reverse DNS when processing a host list. Used suggestions
1413 from multiple comments on this bug.
1a7b746d 1414
b10e4ec2
TL
1415TL/17 Bugzilla 1057 - Multiple clamd TCP targets patch from Mark Zealey.
1416
e2cebd74
TL
1417TL/18 Had previously added a -CONTINUE option to runtest in the test suite.
1418 Missed a few lines, added it to make the runtest require no keyboard
1419 interaction.
1420
1421TL/19 Bugzilla 1402 - Test 533 fails if any part of the path to the test suite
1422 contains upper case chars. Make router use caseful_local_part.
1423
2519e60d
TL
1424TL/20 Bugzilla 1400 - Add AVOID_GNUTLS_PKCS11 build option. Allows GnuTLS
1425 support when GnuTLS has been built with p11-kit.
1426
e78e6ecf 1427
4263f395
PP
1428Exim version 4.80.1
1429-------------------
1430
1431PP/01 SECURITY: protect DKIM DNS decoding from remote exploit.
1432 CVE-2012-5671
2c422e6f 1433 This, or similar/improved, will also be change PP/11 of 4.82.
3c0a92dc 1434
ea722490 1435
b1770b6e 1436Exim version 4.80
0599f9cf
PP
1437-----------------
1438
1439PP/01 Handle short writes when writing local log-files.
1440 In practice, only affects FreeBSD (8 onwards).
1441 Bugzilla 1053, with thanks to Dmitry Isaikin.
1442
23c7e742
NM
1443NM/01 Bugzilla 949 - Documentation tweak
1444
b322aac8
NM
1445NM/02 Bugzilla 1093 - eximstats DATA reject detection regexps
1446 improved.
1447
4a891427
NM
1448NM/03 Bugzilla 1169 - primary_hostname spelling was incorrect in docs.
1449
c1e794ba 1450PP/02 Implemented gsasl authenticator.
b322aac8 1451
97753960
PP
1452PP/03 Implemented heimdal_gssapi authenticator with "server_keytab" option.
1453
1454PP/04 Local/Makefile support for (AUTH|LOOKUP)_*_PC=foo to use
1455 `pkg-config foo` for cflags/libs.
1456
df6303fa
PP
1457PP/05 Swapped $auth1/$auth2 for gsasl GSSAPI mechanism, to be more consistent
1458 with rest of GSASL and with heimdal_gssapi.
1459
7e6a8985
PP
1460PP/06 Local/Makefile support for USE_(GNUTLS|OPENSSL)_PC=foo to use
1461 `pkg-config foo` for cflags/libs for the TLS implementation.
1462
f1e05cc7 1463PP/07 New expansion variable $tls_bits; Cyrus SASL server connection
20aa9dbd
PP
1464 properties get this fed in as external SSF. A number of robustness
1465 and debugging improvements to the cyrus_sasl authenticator.
b322aac8 1466
4c287009
PP
1467PP/08 cyrus_sasl server now expands the server_realm option.
1468
b98bb9ac
PP
1469PP/09 Bugzilla 1214 - Log authentication information in reject log.
1470 Patch by Jeremy Harris.
1471
4a6a987a
PP
1472PP/10 Added dbmjz lookup type.
1473
c45dd180 1474PP/11 Let heimdal_gssapi authenticator take a SASL message without an authzid.
c7955b11 1475
7db8d074
PP
1476PP/12 MAIL args handles TAB as well as SP, for better interop with
1477 non-compliant senders.
1478 Analysis and variant patch by Todd Lyons.
1479
eae0036b 1480NM/04 Bugzilla 1237 - fix cases where printf format usage not indicated
cfab9d68 1481 Bug report from Lars Müller <lars@samba.org> (via SUSE),
e0df1c83
DM
1482 Patch from Dirk Mueller <dmueller@suse.com>
1483
dec5017e
PP
1484PP/13 tls_peerdn now print-escaped for spool files.
1485 Observed some $tls_peerdn in wild which contained \n, which resulted
1486 in spool file corruption.
1487
c80c5570
PP
1488PP/14 TLS fixes for OpenSSL: support TLS 1.1 & 1.2; new "openssl_options"
1489 values; set SSL_MODE_AUTO_RETRY so that OpenSSL will retry a read
1490 or write after TLS renegotiation, which otherwise led to messages
1491 "Got SSL error 2".
1492
076b11e2
PP
1493TK/01 Bugzilla 1239 - fix DKIM verification when signature was not inserted
1494 as a tracking header (ie: a signed header comes before the signature).
1495 Patch from Wolfgang Breyha.
1496
5407bfff
JH
1497JH/01 Bugzilla 660 - Multi-valued attributes from ldap now parseable as a
1498 comma-sep list; embedded commas doubled.
1499
9e45c72b
PP
1500JH/02 Refactored ACL "verify =" logic to table-driven dispatch.
1501
e74376d8
PP
1502PP/15 LDAP: Check for errors of TLS initialisation, to give correct
1503 diagnostics.
1504 Report and patch from Dmitry Banschikov.
1505
4c04137d 1506PP/16 Removed "dont_insert_empty_fragments" from "openssl_options".
da3ad30d
PP
1507 Removed SSL_clear() after SSL_new() which led to protocol negotiation
1508 failures. We appear to now support TLS1.1+ with Exim.
1509
7be682ca
PP
1510PP/17 OpenSSL: new expansion var $tls_sni, which if used in tls_certificate
1511 lets Exim select keys and certificates based upon TLS SNI from client.
3f0945ff
PP
1512 Also option tls_sni on SMTP Transports. Also clear $tls_bits correctly
1513 before an outbound SMTP session. New log_selector, +tls_sni.
7be682ca 1514
ef840681
PP
1515PP/18 Bugzilla 1122 - check localhost_number expansion for failure, avoid
1516 NULL dereference. Report and patch from Alun Jones.
1517
5bfb4cdf
PP
1518PP/19 DNS resolver init changes for NetBSD compatibility. (Risk of breakage
1519 on less well tested platforms). Obviates NetBSD pkgsrc patch-ac.
1520 Not seeing resolver debug output on NetBSD, but suspect this is a
1521 resolver implementation change.
1522
c6e95d22
PP
1523PP/20 Revert part of NM/04, it broke log_path containing %D expansions.
1524 Left warnings. Added "eximon gdb" invocation mode.
1525
9cbad13b
PP
1526PP/21 Defaulting "accept_8bitmime" to true, not false.
1527
9ee44efb
PP
1528PP/22 Added -bw for inetd wait mode support.
1529
6a6084f8
PP
1530PP/23 Added PCRE_CONFIG=yes support to Makefile for using pcre-config to
1531 locate the relevant includes and libraries. Made this the default.
1532
12dd53c7
PP
1533PP/24 Fixed headers_only on smtp transports (was not sending trailing dot).
1534 Bugzilla 1246, report and most of solution from Tomasz Kusy.
1535
9e45c72b 1536JH/03 ${eval } now uses 64-bit and supports a "g" suffix (like to "k" and "m").
97d17305
JH
1537 This may cause build issues on older platforms.
1538
17c76198
PP
1539PP/25 Revamped GnuTLS support, passing tls_require_ciphers to
1540 gnutls_priority_init, ignoring Exim options gnutls_require_kx,
1541 gnutls_require_mac & gnutls_require_protocols (no longer supported).
1542 Added SNI support via GnuTLS too.
af3498d6 1543 Made ${randint:..} supplier available, if using not-too-old GnuTLS.
17c76198 1544
53947857 1545PP/26 Added EXPERIMENTAL_OCSP for OpenSSL.
3f7eeb86 1546
eae0036b 1547PP/27 Applied dnsdb SPF support patch from Janne Snabb.
8ee4b30e
PP
1548 Applied second patch from Janne, implementing suggestion to default
1549 multiple-strings-in-record handling to match SPF spec.
eae0036b 1550
9e45c72b 1551JH/04 Added expansion variable $tod_epoch_l for a higher-precision time.
2605c55b 1552
7390e768
PP
1553PP/28 Fix DCC dcc_header content corruption (stack memory referenced,
1554 read-only, out of scope).
1555 Patch from Wolfgang Breyha, report from Stuart Northfield.
1556
08488c86
PP
1557PP/29 Fix three issues highlighted by clang analyser static analysis.
1558 Only crash-plausible issue would require the Cambridge-specific
1559 iplookup router and a misconfiguration.
1560 Report from Marcin Mirosław.
1561
6475bd82
PP
1562PP/30 Another attempt to deal with PCRE_PRERELEASE, this one less buggy.
1563
81f91683
PP
1564PP/31 %D in printf continues to cause issues (-Wformat=security), so for
1565 now guard some of the printf checks behind WANT_DEEPER_PRINTF_CHECKS.
1566 As part of this, removing so much warning spew let me fix some minor
1567 real issues in debug logging.
1568
5779e6aa
PP
1569PP/32 GnuTLS was always using default tls_require_ciphers, due to a missing
1570 assignment on my part. Fixed.
1571
3375e053
PP
1572PP/33 Added tls_dh_max_bits option, defaulting to current hard-coded limit
1573 of NSS, for GnuTLS/NSS interop. Problem root cause diagnosis by
1574 Janne Snabb (who went above and beyond: thank you).
1575
1576PP/34 Validate tls_require_ciphers on startup, since debugging an invalid
1577 string otherwise requires a connection and a bunch more work and it's
78e0c7a3
PP
1578 relatively easy to get wrong. Should also expose TLS library linkage
1579 problems.
3375e053 1580
9d26b8c0
PP
1581PP/35 Pull in <features.h> on Linux, for some portability edge-cases of
1582 64-bit ${eval} (JH/03).
1583
57eb9e91 1584PP/36 Define _GNU_SOURCE in exim.h; it's needed for some releases of
b87a6e0e
PP
1585 GNU libc to support some of the 64-bit stuff, should not lead to
1586 conflicts. Defined before os.h is pulled in, so if a given platform
1587 needs to override this, it can.
1588
16880d1a
PP
1589PP/37 Unbreak Cyrus SASL auth: SSF retrieval was incorrect, Exim thought
1590 protection layer was required, which is not implemented.
1591 Bugzilla 1254, patch from Wolfgang Breyha.
1592
a799883d
PP
1593PP/38 Overhaul DH prime handling, supply RFC-specified DH primes as built
1594 into Exim, default to IKE id 23 from RFC 5114 (2048 bit). Make
1595 tls_dhparam take prime identifiers. Also unbreak combination of
1596 OpenSSL+DH_params+TLSSNI.
1597
3ecab157 1598PP/39 Disable SSLv2 by default in OpenSSL support.
f0f5a555 1599
0599f9cf 1600
867fcbf5
PP
1601Exim version 4.77
1602-----------------
1603
1604PP/01 Solaris build fix for Oracle's LDAP libraries.
1605 Bugzilla 1109, patch from Stephen Usher.
1606
f1a29782
TF
1607TF/01 HP/UX build fix: avoid arithmetic on a void pointer.
1608
ab42bd23
TK
1609TK/01 DKIM Verification: Fix relaxed canon for empty headers w/o
1610 whitespace trailer
867fcbf5 1611
0ca0cf52
TF
1612TF/02 Fix a couple more cases where we did not log the error message
1613 when unlink() failed. See also change 4.74-TF/03.
1614
921b12ca
TF
1615TF/03 Make the exiwhat support code safe for signals. Previously Exim might
1616 lock up or crash if it happened to be inside a call to libc when it
1617 got a SIGUSR1 from exiwhat.
1618
1619 The SIGUSR1 handler appends the current process status to the process
1620 log which is later printed by exiwhat. It used to use the general
1621 purpose logging code to do this, but several functions it calls are
1622 not safe for signals.
1623
1624 The new output code in the SIGUSR1 handler is specific to the process
1625 log, and simple enough that it's easy to inspect for signal safety.
1626 Removing some special cases also simplifies the general logging code.
1627 Removing the spurious timestamps from the process log simplifies
1628 exiwhat.
1629
c99ce5c9
TF
1630TF/04 Improved ratelimit ACL condition.
1631
1632 The /noupdate option has been deprecated in favour of /readonly which
1633 has clearer semantics. The /leaky, /strict, and /readonly update modes
1634 are mutually exclusive. The update mode is no longer included in the
1635 database key; it just determines when the database is updated. (This
4c04137d 1636 means that when you upgrade Exim will forget old rate measurements.)
c99ce5c9
TF
1637
1638 Exim now checks that the per_* options are used with an update mode that
1639 makes sense for the current ACL. For example, when Exim is processing a
1640 message (e.g. acl_smtp_rcpt or acl_smtp_data, etc.) you can specify
1641 per_mail/leaky or per_mail/strict; otherwise (e.g. in acl_smtp_helo) you
1642 must specify per_mail/readonly. If you omit the update mode it defaults to
1643 /leaky where that makes sense (as before) or /readonly where required.
1644
1645 The /noupdate option is now undocumented but still supported for
1646 backwards compatibility. It is equivalent to /readonly except that in
1647 ACLs where /readonly is required you may specify /leaky/noupdate or
1648 /strict/noupdate which are treated the same as /readonly.
1649
1650 A useful new feature is the /count= option. This is a generalization
1651 of the per_byte option, so that you can measure the throughput of other
1652 aggregate values. For example, the per_byte option is now equivalent
1653 to per_mail/count=${if >{0}{$message_size} {0} {$message_size} }.
1654
1655 The per_rcpt option has been generalized using the /count= mechanism
1656 (though it's more complicated than the per_byte equivalence). When it is
1657 used in acl_smtp_rcpt, the per_rcpt option adds recipients to the
1658 measured rate one at a time; if it is used later (e.g. in acl_smtp_data)
1659 or in a non-SMTP ACL it adds all the recipients in one go. (The latter
1660 /count=$recipients_count behaviour used to work only in non-SMTP ACLs.)
1661 Note that using per_rcpt with a non-readonly update mode in more than
1662 one ACL will cause the recipients to be double-counted. (The per_mail
1663 and per_byte options don't have this problem.)
1664
1665 The handling of very low rates has changed slightly. If the computed rate
1666 is less than the event's count (usually one) then this event is the first
1667 after a long gap. In this case the rate is set to the same as this event's
1668 count, so that the first message of a spam run is counted properly.
1669
1670 The major new feature is a mechanism for counting the rate of unique
1671 events. The new per_addr option counts the number of different
1672 recipients that someone has sent messages to in the last time period. It
1673 behaves like per_rcpt if all the recipient addresses are different, but
1674 duplicate recipient addresses do not increase the measured rate. Like
1675 the /count= option this is a general mechanism, so the per_addr option
1676 is equivalent to per_rcpt/unique=$local_part@$domain. You can, for
1677 example, measure the rate that a client uses different sender addresses
1678 with the options per_mail/unique=$sender_address. There are further
1679 details in the main documentation.
1680
3634fc25
TF
1681TF/05 Removed obsolete $Cambridge$ CVS revision strings.
1682
792e8a19
TF
1683TF/06 Removed a few PCRE remnants.
1684
5901f0ab
TF
1685TF/07 Automatically extract Exim's version number from tags in the git
1686 repository when doing development or release builds.
1687
7f2a2a43
PP
1688PP/02 Raise smtp_cmd_buffer_size to 16kB.
1689 Bugzilla 879. Patch from Paul Fisher.
e2ca7082 1690
061b7ebd
PP
1691PP/03 Implement SSL-on-connect outbound with protocol=smtps on smtp transport.
1692 Heavily based on revision 40f9a89a from Simon Arlott's tree.
1693 Bugzilla 97.
1694
e12f8c32
PP
1695PP/04 Use .dylib instead of .so for dynamic library loading on MacOS.
1696
9e949f00 1697PP/05 Variable $av_failed, true if the AV scanner deferred.
7f2a2a43
PP
1698 Bugzilla 1078. Patch from John Horne.
1699
1700PP/06 Stop make process more reliably on build failure.
1701 Bugzilla 1087. Patch from Heiko Schlittermann.
9e949f00 1702
555ae6af 1703PP/07 Make maildir_use_size_file an _expandable_ boolean.
ac53fcda
PP
1704 Bugzilla 1089. Patch from Heiko Schlittermann.
1705
1706PP/08 Handle ${run} returning more data than OS pipe buffer size.
1707 Bugzilla 1131. Patch from Holger Weiß.
555ae6af 1708
6f7fe114
PP
1709PP/09 Handle IPv6 addresses with SPF.
1710 Bugzilla 860. Patch from Wolfgang Breyha.
1711
c566dd90
PP
1712PP/10 GnuTLS: support TLS 1.2 & 1.1.
1713 Bugzilla 1156.
89f897c3
PP
1714 Use gnutls_certificate_verify_peers2() [patch from Andreas Metzler].
1715 Bugzilla 1095.
c566dd90 1716
d6cc7c78 1717PP/11 match_* no longer expand right-hand-side by default.
39257585
PP
1718 New compile-time build option, EXPAND_LISTMATCH_RHS.
1719 New expansion conditions, "inlist", "inlisti".
1720
0d0e4455
PP
1721PP/12 fix uninitialised greeting string from PP/03 (smtps client support).
1722
3399bb60 1723PP/13 shell and compiler warnings fixes for RC1-RC4 changes.
d690cbdc
PP
1724
1725PP/14 fix log_write() format string regression from TF/03.
1726 Bugzilla 1152. Patch from Dmitry Isaikin.
1727
0ca0cf52 1728
10906672
PP
1729Exim version 4.76
1730-----------------
1731
1732PP/01 The new ldap_require_cert option would segfault if used. Fixed.
1733
754a0503
PP
1734PP/02 Harmonised TLS library version reporting; only show if debugging.
1735 Layout now matches that introduced for other libraries in 4.74 PP/03.
1736
c0c7b2da
PP
1737PP/03 New openssl_options items: no_sslv2 no_sslv3 no_ticket no_tlsv1
1738
e97d1f08
PP
1739PP/04 New "dns_use_edns0" global option.
1740
084c1d8c
PP
1741PP/05 Don't segfault on misconfiguration of ref:name exim-user as uid.
1742 Bugzilla 1098.
1743
4e7ee012
PP
1744PP/06 Extra paranoia around buffer usage at the STARTTLS transition.
1745 nb: Exim is not vulnerable to http://www.kb.cert.org/vuls/id/555316
da80c2a8 1746
c8d52a00
PP
1747TK/01 Updated PolarSSL code to 0.14.2.
1748 Bugzilla 1097. Patch from Andreas Metzler.
1749
54e7ce4a
PP
1750PP/07 Catch divide-by-zero in ${eval:...}.
1751 Fixes bugzilla 1102.
1752
5ee6f336
PP
1753PP/08 Condition negation of bool{}/bool_lax{} did not negate. Fixed.
1754 Bugzilla 1104.
1755
c8d52a00 1756TK/02 Bugzilla 1106: CVE-2011-1764 - DKIM log line was subject to a
6ea4a851
PP
1757 format-string attack -- SECURITY: remote arbitrary code execution.
1758
1759TK/03 SECURITY - DKIM signature header parsing was double-expanded, second
1760 time unintentionally subject to list matching rules, letting the header
1761 cause arbitrary Exim lookups (of items which can occur in lists, *not*
1762 arbitrary string expansion). This allowed for information disclosure.
1763
1764PP/09 Fix another SIGFPE (x86) in ${eval:...} expansion, this time related to
1765 INT_MIN/-1 -- value coerced to INT_MAX.
c8d52a00 1766
10906672 1767
aa097c4c
NM
1768Exim version 4.75
1769-----------------
1770
4c04137d 1771NM/01 Workaround for PCRE version dependency in version reporting
aa097c4c
NM
1772 Bugzilla 1073
1773
7f3d9eff
TF
1774TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
1775 This fixes portability to compilers other than gcc, notably
1776 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
1777
159f52d2
TF
1778TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
1779 makefiles for portability to HP-UX and POSIX correctness.
1780
0cc9542a
PP
1781PP/01 Permit LOOKUP_foo enabling on the make command-line.
1782 Also via indented variable definition in the Makefile.
1783 (Debugging by Oliver Heesakkers).
1784
f7274286
PP
1785PP/02 Restore caching of spamd results with expanded spamd_address.
1786 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
1787
7b797365
PP
1788PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
1789 Improves build reliability. Fix from: Frank Elsner
1790
caacae52
NM
1791NM/02 Fix wide character breakage in the rfc2047 coding
1792 Fixes bug 1064. Patch from Andrey N. Oktyabrski
1793
09dcaba9
NM
1794NM/03 Allow underscore in dnslist lookups
1795 Fixes bug 1026. Patch from Graeme Fowler
1796
bc19a55b
PP
1797PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
1798 Code patches from Adam Ciarcinski of NetBSD.
caacae52 1799
bd4c9759
NM
1800NM/04 Fixed exiqgrep to cope with mailq missing size issue
1801 Fixes bug 943.
1802
b72aab72
PP
1803PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
1804 is logged, to avoid truncation. Patch from John Horne.
1805
2fe76745
PP
1806PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
1807 Patch from Jakob Hirsch.
1808
76aa570c
PP
1809PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
1810 SQL string expansion failure details.
1811 Patch from Andrey Oktyabrski.
1812
f1e5fef5
PP
1813PP/08 Bugzilla 486: implement %M datestamping in log filenames.
1814 Patch from Simon Arlott.
1815
4d805ee9
PP
1816PP/09 New lookups functionality failed to compile on old gcc which rejects
1817 extern declarations in function scope.
1818 Patch from Oliver Fleischmann
1819
cd59ab18
PP
1820PP/10 Use sig_atomic_t for flags set from signal handlers.
1821 Check getgroups() return and improve debugging.
1822 Fixed developed for diagnosis in bug 927 (which turned out to be
1823 a kernel bug).
1824
332f5cf3
PP
1825PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
1826 Patch from Mark Zealey.
1827
29cfeb94
PP
1828PP/12 Bugzilla 1056: Improved spamd server selection.
1829 Patch from Mark Zealey.
1830
660242ad
PP
1831PP/13 Bugzilla 1086: Deal with maildir quota file races.
1832 Based on patch from Heiko Schlittermann.
1833
bc4bc4c5
PP
1834PP/14 Bugzilla 1019: DKIM multiple signature generation fix.
1835 Patch from Uwe Doering, sign-off by Michael Haardt.
1836
2e64baa9
NM
1837NM/05 Fix to spam.c to accommodate older gcc versions which dislike
1838 variable declaration deep within a block. Bug and patch from
1839 Dennis Davis.
1840
4c04137d 1841PP/15 lookups-Makefile IRIX compatibility coercion.
bddd7526 1842
6bac1a9a
PP
1843PP/16 Make DISABLE_DKIM build knob functional.
1844
552193f0
NM
1845NM/06 Bugzilla 968: child_open_uid: restore default SIGPIPE handler
1846 Patch by Simon Arlott
baeee2c1 1847
1b587e48
TF
1848TF/03 Fix valgrind.h portability to C89 compilers that do not support
1849 variable argument macros. Our copy now differs from upstream.
1850
aa097c4c 1851
8c07b69f
TF
1852Exim version 4.74
1853-----------------
1854
1855TF/01 Failure to get a lock on a hints database can have serious
1856 consequences so log it to the panic log.
1857
c0ea85ab
TF
1858TF/02 Log LMTP confirmation messages in the same way as SMTP,
1859 controlled using the smtp_confirmation log selector.
1860
0761d44e
TF
1861TF/03 Include the error message when we fail to unlink a spool file.
1862
0a349494
PP
1863DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
1864 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
1865 for maintaining out-of-tree patches for some time.
1866
1867PP/01 Bugzilla 139: Documentation and portability issues.
1868 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
1869 Handle per-OS dynamic-module compilation flags.
1870
fea24b2e
PP
1871PP/02 Let /dev/null have normal permissions.
1872 The 4.73 fixes were a little too stringent and complained about the
1873 permissions on /dev/null. Exempt it from some checks.
1874 Reported by Andreas M. Kirchwitz.
1875
6545de78
PP
1876PP/03 Report version information for many libraries, including
1877 Exim version information for dynamically loaded libraries. Created
1878 version.h, now support a version extension string for distributors
1879 who patch heavily. Dynamic module ABI change.
1880
1670ef10
PP
1881PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
1882 privilege escalation vulnerability whereby the Exim run-time user
1883 can cause root to append content of the attacker's choosing to
1884 arbitrary files.
1885
c0886197
PP
1886PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
1887 (Wolfgang Breyha)
1888
b7487bce
PP
1889PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
1890 If dropping privileges for untrusted macros, we disabled normal logging
1891 on the basis that it would fail; for the Exim run-time user, this is not
1892 the case, and it resulted in successful deliveries going unlogged.
1893 Fixed. Reported by Andreas Metzler.
1894
8c07b69f 1895
97fd1e48 1896Exim version 4.73
ed7f7860 1897-----------------
97fd1e48
PP
1898
1899PP/01 Date: & Message-Id: revert to normally being appended to a message,
1900 only prepend for the Resent-* case. Fixes regression introduced in
1901 Exim 4.70 by NM/22 for Bugzilla 607.
1902
6901c596
PP
1903PP/02 Include check_rfc2047_length in configure.default because we're seeing
1904 increasing numbers of administrators be bitten by this.
1905
a8c8d6b5
JJ
1906JJ/01 Added DISABLE_DKIM and comment to src/EDITME
1907
77bb000f
PP
1908PP/03 Bugzilla 994: added openssl_options main configuration option.
1909
a29e5231
PP
1910PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
1911
ec5a0394 1912PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 1913
55c75993
PP
1914PP/06 Adjust NTLM authentication to handle SASL Initial Response.
1915
453a6645 1916PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
1917 without a peer certificate, leading to a segfault because of an
1918 assumption that peers always have certificates. Be a little more
453a6645
PP
1919 paranoid. Problem reported by Martin Tscholak.
1920
8544e77a
PP
1921PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
1922 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
1923 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
1924 CL also introduces -bmalware, various -d+acl logging additions and
1925 more caution in buffer sizes.
8544e77a 1926
83e029d5
PP
1927PP/09 Implemented reverse_ip expansion operator.
1928
ed7f7860
PP
1929PP/10 Bugzilla 937: provide a "debug" ACL control.
1930
7d9f747b
PP
1931PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
1932
4b2241d2
PP
1933PP/12 Bugzilla 973: Implement --version.
1934
10385c15
PP
1935PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
1936
dbc4b90d
PP
1937PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
1938
532be449
PP
1939PP/15 Bugzilla 816: support multiple condition rules on Routers.
1940
6a8de854 1941PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
1942 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
1943 ignore trailing whitespace.
6a8de854 1944
5dc43717
JJ
1945JJ/02 prevent non-panic DKIM error from being sent to paniclog
1946
1947JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
1948 "exim" to be used
55c75993 1949
3346ab01
PP
1950PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
1951 Notification from Dr Andrew Aitchison.
1952
491fab4c
PP
1953PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
1954 ExtendedDetectionInfo response format.
1955 Notification from John Horne.
1956
13eb9497
PP
1957PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
1958 compatible.
1959
1960PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
1961 XSL and documented dependency on system catalogs, with examples of how
1962 it normally works.
1963
7f36d675
DW
1964DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
1965 access.
1966
c1d94452
DW
1967DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
1968 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
1969 configuration file which is writeable by the Exim user or group.
1970
e2f5dc15
DW
1971DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
1972 of configuration files to cover files specified with the -C option if
1973 they are going to be used with root privileges, not just the default
1974 configuration file.
1975
cd25e41d
DW
1976DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
1977 option (effectively making it always true).
1978
261dc43e
DW
1979DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
1980 files to be used while preserving root privileges.
1981
fa32850b
DW
1982DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
1983 that rogue child processes cannot use them.
1984
79d4bc3d
PP
1985PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
1986 run-time user, instead of root.
1987
43236f35 1988PP/28 Add WHITELIST_D_MACROS option to let some macros be overridden by the
2cfd3221
PP
1989 Exim run-time user without dropping privileges.
1990
fb08281f
DW
1991DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
1992 result string, instead of calling string_vformat() twice with the same
1993 arguments.
3346ab01 1994
74935b98
DW
1995DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
1996 for other users. Others should always drop root privileges if they use
1997 -C on the command line, even for a whitelisted configure file.
1998
90b6341f
DW
1999DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
2000
57730b52
ML
2001NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
2002
66581d1e 2003
465e92cf
JJ
2004Exim version 4.72
2005-----------------
2006
453a6645
PP
2007JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
2008 $data_path, and $header_path variables; fixed documentation bugs and
2009 typos
465e92cf 2010
453a6645
PP
2011JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
2012 exipick to access non-standard spools, including the "frozen" queue
2013 (Finput)
edae0343 2014
9bd3e22c
NM
2015NM/01 Bugzilla 965: Support mysql stored procedures.
2016 Patch from Alain Williams
2017
bb576ff7
NM
2018NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
2019
5a1a5845
NM
2020NM/03 Bugzilla 955: Documentation fix for max_rcpts.
2021 Patch from Andreas Metzler
2022
981a9fad
NM
2023NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
2024 Patch from Kirill Miazine
2025
7fc497ee
NM
2026NM/05 Bugzilla 671: Added umask to procmail example.
2027
1a41defa
JJ
2028JJ/03 installed exipick 20100323.0, fixing doc bug
2029
a466095c 2030NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 2031 directory. Notification and patch from Dan Rosenberg.
a466095c 2032
94a6bd0b
NM
2033TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
2034
2035TK/02 Improve log output when DKIM signing operation fails.
2036
2037MH/01 Treat the transport option dkim_domain as a colon separated
2038 list, not as a single string, and sign the message with each element,
2039 omitting multiple occurences of the same signer.
2040
c1b141a8
NM
2041NM/07 Null terminate DKIM strings, Null initialise DKIM variable
2042 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 2043
b26eacf1 2044NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
2045 Patch by Simon Arlott
2046
179c5980 2047PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 2048 MBX locking. Notification from Dan Rosenberg.
179c5980 2049
9bd3e22c 2050
7c6d71af
NM
2051Exim version 4.71
2052-----------------
2053
7d9f747b 2054TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 2055
f013fb92
NM
2056NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
2057
0eb8eedd
NM
2058NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
2059
663ee6d9
NM
2060NM/03 Bugzilla 847: Enable DNSDB lookup by default.
2061
177ebd9b
NM
2062NM/04 Bugzilla 915: Flag broken perl installation during build.
2063
7c6d71af 2064
210f147e
NM
2065Exim version 4.70
2066-----------------
2067
cdd3bb85 2068TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 2069 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
2070
2071TK/02 Write list of recipients to X-Envelope-Sender header when building
2072 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 2073 Hirsch).
cdd3bb85
TK
2074
2075TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
2076 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 2077 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
2078
2079TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
2080 by Mark Daniel Reidel <mr@df.eu>.
2081
210f147e
NM
2082NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
2083 When building exim an external PCRE library is now needed -
2084 PCRE is a system library on the majority of modern systems.
2085 See entry on PCRE_LIBS in EDITME file.
2086
deafd5b3
NM
2087NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
2088 conversation. Added nologin parameter to request.
7d9f747b 2089 Patch contributed by Kirill Miazine.
deafd5b3 2090
089793a4
TF
2091TF/01 Do not log submission mode rewrites if they do not change the address.
2092
5f16ca82
TF
2093TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
2094
dae9d94e 2095NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 2096 log files in place. Contributed by Roberto Lima.
dae9d94e 2097
7d9f747b 2098NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 2099
06864c44
TF
2100TF/03 Bugzilla 615: When checking the local_parts router precondition
2101 after a local_part_suffix or local_part_prefix option, Exim now
2102 does not use the address's named list lookup cache, since this
2103 contains cached lookups for the whole local part.
2104
65a7d8c3 2105NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 2106 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 2107
23510047 2108TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 2109
7d9f747b 2110NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 2111
7d8eec3a 2112NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 2113 Patch provided by Jan Srzednicki.
6c588e74 2114
89dec7b6
TF
2115TF/05 Leading white space used to be stripped from $spam_report which
2116 wrecked the formatting. Now it is preserved.
5f28a6e8 2117
a99de90c
TF
2118TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
2119 that they are available at delivery time.
2120
e2803e40
TF
2121TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
2122
7199e1ee
TF
2123TF/08 TLS error reporting now respects the incoming_interface and
2124 incoming_port log selectors.
2125
e276e04b
TF
2126TF/09 Produce a more useful error message if an SMTP transport's hosts
2127 setting expands to an empty string.
2128
ce552449 2129NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 2130 Patch provided by Phil Pennock.
ce552449 2131
e765a0f1 2132NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 2133 Patch provided by Richard Godbee.
e765a0f1 2134
4f054c63 2135NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 2136 acl_smtp_notquit, added index entry.
4f054c63 2137
7d9f747b
PP
2138NM/09 Bugzilla 787: Potential buffer overflow in string_format.
2139 Patch provided by Eugene Bujak.
24c929a2 2140
7d9f747b
PP
2141NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
2142 accept(). Patch provided by Maxim Dounin.
cf73943b 2143
b52bc06e 2144NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 2145 Patch provided by Phil Pennock.
b52bc06e 2146
447de4b0
NM
2147NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
2148
4c69d561 2149NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 2150 Patch provided by Brad "anomie" Jorsch.
4c69d561 2151
d5c39246 2152NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 2153 Patch provided by Dean Brooks.
9b989985 2154
0b23848a
TK
2155TK/05 Add native DKIM support (does not depend on external libraries).
2156
8f3414a1 2157NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 2158 Patch provided by Graeme Fowler.
e2aacdfd 2159
fb6f955d
NM
2160NM/16 Bugzilla 851: Documentation example syntax fix.
2161
2162NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 2163
7d9f747b
PP
2164NM/18 Bugzilla 894: Fix issue with very long lines including comments in
2165 lsearch.
dbb0bf41 2166
7d9f747b
PP
2167NM/19 Bugzilla 745: TLS version reporting.
2168 Patch provided by Phil Pennock.
f3766eb5 2169
7d9f747b
PP
2170NM/20 Bugzilla 167: bool: condition support.
2171 Patch provided by Phil Pennock.
36f12725 2172
7d9f747b
PP
2173NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
2174 clients. Patch provided by Phil Pennock.
e6060e2c 2175
7d9f747b
PP
2176NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
2177 Patch provided by Brad "anomie" Jorsch.
5eb690a1 2178
7d9f747b
PP
2179NM/23 Bugzilla 687: Fix misparses in eximstats.
2180 Patch provided by Heiko Schlittermann.
d5c13d66 2181
7d9f747b
PP
2182NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
2183 Patch provided by Heiko Schlittermann.
b2335c0b 2184
7d9f747b 2185NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 2186 plus update to original patch.
f4cd9433 2187
7d9f747b 2188NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 2189
7d9f747b
PP
2190NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
2191 Patch provided by David Brownlee.
8dc71ab3 2192
7d9f747b 2193NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 2194
7d9f747b 2195NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 2196
7d9f747b 2197NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 2198
7d9f747b 2199NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 2200
17792b53 2201NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 2202 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 2203
7d9f747b
PP
2204NM/33 Bugzilla 898: Transport filter timeout fix.
2205 Patch by Todd Rinaldo.
52383f8f 2206
91576cec 2207NM/34 Bugzilla 901: Fix sign/unsigned and UTF mismatches.
7d9f747b 2208 Patch by Serge Demonchaux.
5ca6d115 2209
7d9f747b
PP
2210NM/35 Bugzilla 39: Base64 decode bug fixes.
2211 Patch by Jakob Hirsch.
baee9eee 2212
7d9f747b 2213NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 2214
7d9f747b 2215NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 2216
7d9f747b 2217NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 2218
7d9f747b 2219NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 2220
deafd5b3 2221
47db1125
NM
2222Exim version 4.69
2223-----------------
2224
4b3504d0
TK
2225TK/01 Add preliminary DKIM support. Currently requires a forked version of
2226 ALT-N's libdkim that I have put here:
2227 http://duncanthrax.net/exim-experimental/
2228
2229 Note to Michael Haardt: I had to rename some vars in sieve.c. They
2230 were called 'true' and it seems that C99 defines that as a reserved
2231 keyword to be used with 'bool' variable types. That means you could
2232 not include C99-style headers which use bools without triggering
2233 build errors in sieve.c.
2234
81ea09ca
NM
2235NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
2236 as mailq or other aliases. Changed the --help handling significantly
2237 to do whats expected. exim_usage() emits usage/help information.
2238
f13cddcb
SC
2239SC/01 Added the -bylocaldomain option to eximstats.
2240
7d9f747b 2241NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 2242
7d9f747b 2243NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 2244
7d9f747b 2245NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
2246
2247
eb4c0de6
PH
2248Exim version 4.68
2249-----------------
2250
2251PH/01 Another patch from the Sieve maintainer.
2252
6a3bceb1
PH
2253PH/02 When an IPv6 address is converted to a string for single-key lookup
2254 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
2255 dots are used instead of colons so that keys in lsearch files need not
2256 contain colons. This was done some time before quoting was made available
2257 in lsearch files. However, iplsearch files do require colons in IPv6 keys
2258 (notated using the quote facility) so as to distinguish them from IPv4
2259 keys. This meant that lookups for IP addresses in host lists did not work
2260 for iplsearch lookups.
2261
2262 This has been fixed by arranging for IPv6 addresses to be expressed with
2263 colons if the lookup type is iplsearch. This is not incompatible, because
2264 previously such lookups could never work.
2265
4c04137d 2266 The situation is now rather anomalous, since one *can* have colons in
6a3bceb1
PH
2267 ordinary lsearch keys. However, making the change in all cases is
2268 incompatible and would probably break a number of configurations.
2269
2e30fa9d
TK
2270TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
2271 version.
2272
0806a9c5
MH
2273MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
2274 conversion specification without a maximum field width, thereby enabling
2275 a rogue spamd server to cause a buffer overflow. While nobody in their
2276 right mind would setup Exim to query an untrusted spamd server, an
2277 attacker that gains access to a server running spamd could potentially
2278 exploit this vulnerability to run arbitrary code as the Exim user.
2279
ae276964
TK
2280TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
2281 $primary_hostname instead of what libspf2 thinks the hosts name is.
2282
0f2cbd1b
MH
2283MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
2284 a directory entry by the name of the lookup key. Previously, if a
2285 symlink pointed to a non-existing file or a file in a directory that
2286 Exim lacked permissions to read, a lookup for a key matching that
2287 symlink would fail. Now it is enough that a matching directory entry
2288 exists, symlink or not. (Bugzilla 503.)
2289
2b85bce7
PH
2290PH/03 The body_linecount and body_zerocount variables are now exported in the
2291 local_scan API.
2292
93655c46
PH
2293PH/04 Added the $dnslist_matched variable.
2294
6c512171
PH
2295PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
2296 This means they are set thereafter only if the connection becomes
2297 encrypted.
2298
2299PH/06 Added the client_condition to authenticators so that some can be skipped
2300 by clients under certain conditions.
2301
aa6dc513
PH
2302PH/07 The error message for a badly-placed control=no_multiline_responses left
2303 "_responses" off the end of the name.
2304
a96603a0
PH
2305PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
2306
8f240103
PH
2307PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
2308 (without spaces) instead of just copying the configuration text.
2309
2310PH/10 Added the /noupdate option to the ratelimit ACL condition.
2311
d677b2f2
PH
2312PH/11 Added $max_received_linelength.
2313
d52120f2
PH
2314PH/12 Added +ignore_defer and +include_defer to host lists.
2315
64f2600a
PH
2316PH/13 Installed PCRE version 7.2. This needed some changes because of the new
2317 way in which PCRE > 7.0 is built.
2318
8669f003
PH
2319PH/14 Implemented queue_only_load_latch.
2320
a4dc33a8
PH
2321PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
2322 MAIL command. The effect was to mangle the value on 64-bit systems.
2323
d6a60c0f
PH
2324PH/16 Another patch from the Sieve maintainer.
2325
8f128379
PH
2326PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
2327
8932dffe
PH
2328PH/18 If a system quota error occurred while trying to create the file for
2329 a maildir delivery, the message "Mailbox is full" was not appended to the
2330 bounce if the delivery eventually timed out. Change 4.67/27 below applied
2331 only to a quota excession during the actual writing of the file.
d6a60c0f 2332
ddea74fa 2333PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
2334 characters?) which causes problems in log lines. The DN values are now
2335 passed through string_printing() before being added to log lines.
2336
ddea74fa 2337PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
2338 and InterBase are left for another time.)
2339
ddea74fa
PH
2340PH/21 Added message_body_newlines option.
2341
ce9f225c
PH
2342PH/22 Guard against possible overflow in moan_check_errorcopy().
2343
19897d52
PH
2344PH/23 POSIX allows open() to be a macro; guard against that.
2345
bc64a74d
PH
2346PH/24 If the recipient of an error message contained an @ in the local part
2347 (suitably quoted, of course), incorrect values were put in $domain and
2348 $local_part during the evaluation of errors_copy.
2349
eb4c0de6 2350
b4ed4da0
PH
2351Exim version 4.67
2352-----------------
2353
22ad45c9
MH
2354MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
2355 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
2356 Jan Srzednicki.
2357
b4ed4da0
PH
2358PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
2359 issue a MAIL command.
2360
431b7361
PH
2361PH/02 In an ACL statement such as
2362
2363 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
2364
2365 if a client was not listed at all, or was listed with a value other than
2366 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
2367 the condition was not true (as it should be), so access was not denied.
2368 The bug was that the ! inversion was incorrectly passed on to the second
2369 item. This has been fixed.
2370
2371PH/03 Added additional dnslists conditions == and =& which are different from
2372 = and & when the dns lookup returns more than one IP address.
2373
83da1223
PH
2374PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
2375 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
2376
54fc8428
PH
2377PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
2378 FSYNC, which compiles an option called disable_fsync that allows for
2379 bypassing fsync(). The documentation is heavily laced with warnings.
2380
34c5e8dd
SC
2381SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
2382
bbe15da8
PH
2383PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
2384 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
2385 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
2386 including adding "make clean"; (3) Added -fPIC when compiling the test
2387 dynamically loaded module, to get rid of a warning.
2388
0e8a9471
MH
2389MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
2390 message fails, move_frozen_messages = true and ignore_bounce_errors_after
2391 = 0s. The bug is otherwise harmless.
2392
f0872424
PH
2393PH/07 There was a bug in the dovecot authenticator such that the value of
2394 $auth1 could be overwritten, and so not correctly preserved, after a
2395 successful authentication. This usually meant that the value preserved by
2396 the server_setid option was incorrect.
2397
b01dd148
PH
2398PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
2399
6bf342e1
PH
2400PH/09 Installed PCRE release 7.0.
2401
273f34d0
PH
2402PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
2403 run for batched SMTP input. It is now run at the start of every message
2404 in the batch. While fixing this I discovered that the process information
2405 (output by running exiwhat) was not always getting set for -bs and -bS
2406 input. This is fixed, and it now also says "batched" for BSMTP.
2407
cf8b11a5
PH
2408PH/11 Added control=no_pipelining.
2409
41c7c167
PH
2410PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
2411 patch, slightly modified), and move the expansion of helo_data till after
2412 the connection is made in the smtp transport (so it can use these
2413 values).
2414
9c57cbc0
PH
2415PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
2416
f3f065bb
PH
2417PH/14 Added log_selector = +pid.
2418
047bdd8c
PH
2419PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
2420
0ce9abe6
PH
2421PH/16 Add ${if forany and ${if forall.
2422
0e22dfd1
PH
2423PH/17 Added dsn_from option to vary the From: line in DSNs.
2424
4c590bd1
PH
2425PH/18 Flush SMTP output before performing a callout, unless control =
2426 no_callout_flush is set.
2427
09945f1e
PH
2428PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
2429 was true (the default) a successful delivery failed to delete the retry
2430 item, thus causing premature timeout of the address. The bug is now
2431 fixed.
2432
c51b8e75
PH
2433PH/20 Added hosts_avoid_pipelining to the smtp transport.
2434
e28326d8 2435PH/21 Long custom messages for fakedefer and fakereject are now split up
4c04137d 2436 into multiline responses in the same way that messages for "deny" and
e28326d8
PH
2437 other ACL rejections are.
2438
75b1493f
PH
2439PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
2440 with slight modification.
2441
7c5214ec
PH
2442PH/23 Applied sieve patches from the maintainer "tracking the latest notify
2443 draft, changing the syntax and factoring some duplicate code".
2444
4311097e
PH
2445PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
2446 for deliveries of the second and subsequent messages over the same SMTP
2447 connection.
2448
29f89cad
PH
2449PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
2450 ${reduce, with only minor "tidies".
2451
5e687460
SC
2452SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
2453
c3611384
PH
2454PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
2455 expansion side effects.
2456
5a11a7b4
PH
2457PH/27 When a message times out after an over-quota error from an Exim-imposed
2458 quota, the bounce message says "mailbox is full". This message was not
2459 being given when it was a system quota that was exceeded. It now should
2460 be the same.
2461
0e20aff9
MH
2462MH/03 Made $recipients available in local_scan(). local_scan() already has
2463 better access to the recipient list through recipients_list[], but
2464 $recipients can be useful in postmaster-provided expansion strings.
2465
ca86f471
PH
2466PH/28 The $smtp_command and $smtp_command_argument variables were not correct
2467 in the case of a MAIL command with additional options following the
2468 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
2469 were accidentally chopped off.
2470
a14e5636
PH
2471PH/29 SMTP synchronization checks are implemented when a command is read -
2472 there is a check that no more input is waiting when there shouldn't be
2473 any. However, for some commands, a delay in an ACL can mean that it is
2474 some time before the response is written. In this time, more input might
2475 arrive, invalidly. So now there are extra checks after an ACL has run for
2476 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
2477 pipelining has not been advertised.
2478
ec95d1a6
PH
2479PH/30 MH's patch to allow iscntrl() characters to be list separators.
2480
42855d71
PH
2481PH/31 Unlike :fail:, a custom message specified with :defer: was not being
2482 returned in the SMTP response when smtp_return_error_details was false.
2483 This has been fixed.
2484
57c2c631
PH
2485PH/32 Change the Dovecot authenticator to use read() and write() on the socket
2486 instead of the C I/O that was originally supplied, because problems were
2487 reported on Solaris.
2488
58c01c94
PH
2489PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
2490 Exim which did not show up earlier: it was assuming that a call to
2491 SSL_CTX_set_info_callback() might give an error value. In fact, there is
2492 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
2493 was a macro that became an assignment, so it seemed to work. This has
2494 changed to a proper function call with a void return, hence the compile
2495 error. Exim's code has been fixed.
2496
dee5a20a
PH
2497PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
2498 cpus.
2499
d2ee6114
PH
2500PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
2501
b2d5182b
PH
2502PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
2503
79749a79
PH
2504PH/37 If a message is not accepted after it has had an id assigned (e.g.
2505 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
2506 "Completed" line in the log. When some messages of this type were
2507 selected by exigrep, they were listed as "not completed". Others were
2508 picked up by some special patterns. I have improved the selection
2509 criteria to be more general.
79749a79 2510
c456d9bb
PH
2511PH/38 The host_find_failed option in the manualroute router can now be set
2512 to "ignore", to completely ignore a host whose IP address cannot be
2513 found. If all hosts are ignored, the behaviour is controlled by the new
2514 host_all_ignored option.
2515
cd9868ec
PH
2516PH/39 In a list of hosts for manualroute, if one item (either because of multi-
2517 homing or because of multiple MX records with /mx) generated more than
2518 one IP address, and the following item turned out to be the local host,
2519 all the secondary addresses of the first item were incorrectly removed
2520 from the list, along with the local host and any following hosts (which
2521 is what is supposed to happen).
2522
ebeaf996
PH
2523PH/40 When Exim receives a message, it writes the login name, uid, and gid of
2524 whoever called Exim into the -H file. In the case of the daemon it was
2525 behaving confusingly. When first started, it used values for whoever
2526 started the daemon, but after a SIGHUP it used the Exim user (because it
2527 calls itself on a restart). I have changed the code so that it now always
2528 uses the Exim user.
2529
2679d413
PH
2530PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
2531 message are rejected with the same error (e.g. no authentication or bad
2532 sender address), and a DATA command is nevertheless sent (as can happen
2533 with PIPELINING or a stupid MUA), the error message that was given to the
2534 RCPT commands is included in the rejection of the DATA command. This is
2535 intended to be helpful for MUAs that show only the final error to their
2536 users.
2537
84024b72
PH
2538PH/42 Another patch from the Sieve maintainer.
2539
8005d38e
SC
2540SC/02 Eximstats - Differentiate between permanent and temporary rejects.
2541 Eximstats - Fixed some broken HTML links and added missing column headers
2542 (Jez Hancock).
2543 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
2544 columns for Rejects, Temp Rejects, Ham, and Spam rows.
2545
3298c6c6
SC
2546SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
2547
a43a27c5
PH
2548PH/43 Yet another patch from the Sieve maintainer.
2549
58eb016e 2550PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
2551 the response to the final '.' that terminates a message, but only in the
2552 case where the client has not sent further data following the '.'
2553 (unfortunately, this is allowed). However, in many cases there won't be
2554 any further data because there won't be any more messages to send. A call
2555 to select() can be used: if it shows that the input is "ready", there is
2556 either input waiting, or the socket has been closed. An attempt to read
2557 the next input character can distinguish the two cases. Previously, Exim
58eb016e 2558 would have sent an OK response which the client would never have see.
563b63fa
PH
2559 This could lead to message repetition. This fix should cure that, at
2560 least in a lot of common cases.
58eb016e 2561
b43a74ea
PH
2562PH/45 Do not advertise STARTTLS in response to HELP unless it would be
2563 advertised in response to EHLO.
2564
b4ed4da0 2565
5dd1517f
PH
2566Exim version 4.66
2567-----------------
2568
2569PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
2570 fixed by 4.65/MH/01 (is this a record?) are fixed:
2571
2572 (i) An empty string was always treated as zero by the numeric comparison
2573 operators. This behaviour has been restored.
2574
2575 (ii) It is documented that the numeric comparison operators always treat
2576 their arguments as decimal numbers. This was broken in that numbers
2577 starting with 0 were being interpreted as octal.
2578
2579 While fixing these problems I realized that there was another issue that
2580 hadn't been noticed. Values of message_size_limit (both the global option
2581 and the transport option) were treated as octal if they started with 0.
2582 The documentation was vague. These values are now always treated as
2583 decimal, and I will make that clear in the documentation.
2584
2585
93cfa765
TK
2586Exim version 4.65
2587-----------------
2588
2589TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
2590 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
2591 versions. (#438)
2592
d6066548
MH
2593MH/01 Don't check that the operands of numeric comparison operators are
2594 integers when their expansion is in "skipping" mode (fixes bug
2595 introduced by 4.64-PH/07).
2596
4362ff0d
PH
2597PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
2598 child addresses, Exim now panics and dies. Previously, because the count
2599 is held in a short int, deliveries were likely to be lost. As such a
2600 large number of recipients for a single message is ridiculous
2601 (performance will be very, very poor), I have chosen to impose a limit
2602 rather than extend the field.
2603
93cfa765 2604
944e9e9c
TF
2605Exim version 4.64
2606-----------------
aa41d2de 2607
21d74bd9
TK
2608TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
2609 leftover -K file (the existence of which was triggered by #402).
2610 While we were at it, introduced process PID as part of the -K
2611 filename. This should rule out race conditions when creating
2612 these files.
2613
2614TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
2615 processing considerably. Previous code took too long for large mails,
2616 triggering a timeout which in turn triggers #401.
2617
2618TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
2619 in the DK code in transports.c. sendfile() is not really portable,
2620 hence the _LINUX specificness.
944e9e9c
TF
2621
2622TF/01 In the add_headers option to the mail command in an Exim filter,
2623 there was a bug that Exim would claim a syntax error in any
2624 header after the first one which had an odd number of characters
2625 in the field name.
2626
2b1c6e3a
PH
2627PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
2628 callout verification, Exim cached a "reject" for the entire domain. This
2629 is correct for most verifications, but it is not correct for a recipient
2630 verification with use_sender or use_postmaster set, because in that case
2631 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
2632 case of MAIL FROM:<> rejection from other early rejections (e.g.
2633 rejection of HELO). When verifying a recipient using a non-null MAIL
2634 address, the cache is ignored if it shows MAIL FROM:<> rejection.
2635 Whatever the result of the callout, the value of the domain cache is
2636 left unchanged (for any other kind of callout, getting as far as trying
2637 RCPT means that the domain itself is ok).
2638
1f872c80
PH
2639PH/02 Tidied a number of unused variable and signed/unsigned warnings that
2640 gcc 4.1.1 threw up.
2641
2642PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
2643 manifest itself as EPIPE rather than ECONNECT. When tidying away a
2644 session, the daemon ignores ECONNECT errors and logs others; it now
2645 ignores EPIPE as well.
2646
d203e649
PH
2647PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
2648 (quoted-printable decoding).
2649
cc2ed8f7 2650PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 2651 later the small subsequent patch to fix an introduced bug.
f951fd57 2652
ddfcd446
PH
2653PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
2654
d45b1de8
PH
2655PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
2656
2657PH/08 An error is now given if message_size_limit is specified negative.
2658
38a0a95f 2659PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 2660 to be given (somewhat) arbitrary names.
38a0a95f 2661
a2405d83
JJ
2662JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
2663 in 4.64-PH/09.
2664
2665JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
2666 miscellaneous code fixes
2667
6ea85e9a
PH
2668PH/10 Added the log_reject_target ACL modifier to specify where to log
2669 rejections.
2670
26da7e20
PH
2671PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
2672 hostname. This is wrong, because it relates to the incoming message (and
2673 probably the interface on which it is arriving) and not to the outgoing
2674 callout (which could be using a different interface). This has been
2675 changed to use the value of the helo_data option from the smtp transport
2676 instead - this is what is used when a message is actually being sent. If
2677 there is no remote transport (possible with a router that sets up host
2678 addresses), $smtp_active_hostname is used.
6ea85e9a 2679
14aa5a05 2680PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 2681 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
2682 (a) The code assumed that strncpy() returns a negative number on buffer
2683 overflow, which isn't the case. Replaced with Exim's string_format()
2684 function.
2685 (b) There were several signed/unsigned issues. I just did the minimum
2686 hacking in of casts. There is scope for a larger refactoring.
2687 (c) The code used strcasecmp() which is not a standard C function.
2688 Replaced with Exim's strcmpic() function.
2689 (d) The code set only $1; it now sets $auth1 as well.
2690 (e) A simple test gave the error "authentication client didn't specify
2691 service in request". It would seem that Dovecot has changed its
2692 interface. Fortunately there's a specification; I followed it and
2693 changed what the client sends and it appears to be working now.
2694
ff75a1f7
PH
2695PH/13 Added $message_headers_raw to provide the headers without RFC 2047
2696 decoding.
2697
e6f6568e
PH
2698PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
2699 address A is aliased to B and C, where B exists and C does not. Without
2700 -v the output is "A verified" because verification stops after a
2701 successful redirection if more than one address is generated. However,
2702 with -v the child addresses are also verified. Exim was outputting "A
2703 failed to verify" and then showing the successful verification for C,
2704 with its parentage. It now outputs "B failed to verify", showing B's
2705 parentage before showing the successful verification of C.
2706
d6f6e0dc
PH
2707PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
2708 look up a TXT record in a specific list after matching in a combined
2709 list.
2710
322050c2
PH
2711PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
2712 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
2713 they consult the DNS. I had assumed they would set it the way they
2714 wanted; and indeed my experiments on Linux seem to show that in some
2715 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
2716 To be on the safe side, however, I have now made the interface to
2717 host_find_byname() similar to host_find_bydns(), with an argument
2718 containing the DNS resolver options. The host_find_byname() function now
2719 sets these options at its start, just as host_find_bydns() does. The smtp
2720 transport options dns_qualify_single and dns_search_parents are passed to
2721 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
2722 of host_find_byname() use the default settings of RES_DEFNAMES
2723 (qualify_single) but not RES_DNSRCH (search_parents).
2724
08955dd3
PH
2725PH/17 Applied (a modified version of) Nico Erfurth's patch to make
2726 spool_read_header() do less string testing, by means of a preliminary
2727 switch on the second character of optional "-foo" lines. (This is
2728 overdue, caused by the large number of possibilities that now exist.
2729 Originally there were few.) While I was there, I also converted the
2730 str(n)cmp tests so they don't re-test the leading "-" and the first
2731 character, in the hope this might squeeze out yet more improvement.
2732
1eccaa59
PH
2733PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
2734 flag allowing group syntax was set by the header_syntax check but not
2735 turned off, possible causing trouble later; (2) The flag was not being
2736 set at all for the header_verify test, causing "group"-style headers to
2737 be rejected. I have now set it in this case, and also caused header_
2738 verify to ignore an empty address taken from a group. While doing this, I
2739 came across some other cases where the code for allowing group syntax
2740 while scanning a header line wasn't quite right (mostly, not resetting
2741 the flag correctly in the right place). These bugs could have caused
2742 trouble for malformed header lines. I hope it is now all correct.
2743
602e59e5
PH
2744PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
2745 with the "reply" argument non-NULL. The code, however (which originally
2746 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
2747 but it didn't always do it. This confused somebody who was copying the
2748 code for some other use. I have removed all the tests.
2749
411ef850
PH
2750PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
2751 feature that was used to support insecure browsers during the U.S. crypto
2752 embargo. It requires special client support, and Exim is probably the
2753 only MTA that supported it -- and would never use it because real RSA is
2754 always available. This code has been removed, because it had the bad
2755 effect of slowing Exim down by computing (never used) parameters for the
2756 RSA_EXPORT functionality.
2757
7befa435
PH
2758PH/21 On the advice of Timo Sirainen, added a check to the dovecot
2759 authenticator to fail if there's a tab character in the incoming data
2760 (there should never be unless someone is messing about, as it's supposed
2761 to be base64-encoded). Also added, on Timo's advice, the "secured" option
2762 if the connection is using TLS or if the remote IP is the same as the
2763 local IP, and the "valid-client-cert option" if a client certificate has
2764 been verified.
2765
48da4259 2766PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
2767 authenticators. This can be used for authorization after authentication
2768 succeeds. (In the case of plaintext, it servers for both authentication
2769 and authorization.)
2770
48da4259
PH
2771PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
2772 if any retry times were supplied.
2773
d1d5595c
PH
2774PH/24 Exim crashed if verify=helo was activated during an incoming -bs
2775 connection, where there is no client IP address to check. In this
2776 situation, the verify now always succeeds.
2777
0ef732d9
PH
2778PH/25 Applied John Jetmore's -Mset patch.
2779
328895cc
PH
2780PH/26 Added -bem to be like -Mset, but loading a message from a file.
2781
fd700877
PH
2782PH/27 In a string expansion for a processed (not raw) header when multiple
2783 headers of the same name were present, leading whitespace was being
2784 removed from all of them, but trailing whitespace was being removed only
2785 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
2786 before concatenation. Completely empty headers in a concatenation (as
2787 before) are ignored.
fd700877 2788
8dce1a6f
PH
2789PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
2790 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
2791
17af4a17
PH
2792PH/29 [Removed. This was a change that I later backed out, and forgot to
2793 correct the ChangeLog entry (that I had efficiently created) before
2794 committing the later change.]
f6c332bd
PH
2795
2796PH/30 Exim was sometimes attempting to deliver messages that had suffered
2797 address errors (4xx response to RCPT) over the same connection as other
2798 messages routed to the same hosts. Such deliveries are always "forced",
2799 so retry times are not inspected. This resulted in far too many retries
2800 for the affected addresses. The effect occurred only when there were more
2801 hosts than the hosts_max_try setting in the smtp transport when it had
2802 the 4xx errors. Those hosts that it had tried were not added to the list
2803 of hosts for which the message was waiting, so if all were tried, there
2804 was no problem. Two fixes have been applied:
2805
2806 (i) If there are any address or message errors in an SMTP delivery, none
2807 of the hosts (tried or untried) are now added to the list of hosts
2808 for which the message is waiting, so the message should not be a
2809 candidate for sending over the same connection that was used for a
2810 successful delivery of some other message. This seems entirely
2811 reasonable: after all the message is NOT "waiting for some host".
2812 This is so "obvious" that I'm not sure why it wasn't done
2813 previously. Hope I haven't missed anything, but it can't do any
2814 harm, as the worst effect is to miss an optimization.
2815
2816 (ii) If, despite (i), such a delivery is accidentally attempted, the
2817 routing retry time is respected, so at least it doesn't keep
2818 hammering the server.
2819
c1114884
PH
2820PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
2821 in ${readsocket because some servers need this prod.
2822
7a0743eb
PH
2823PH/32 Added some extra debug output when updating a wait-xxx database.
2824
0d85fa3f
PH
2825PH/33 The hint "could be header name not terminated by colon", which has been
2826 given for certain expansion errors for a long time, was not being given
2827 for the ${if def:h_colon_omitted{... case.
2828
1bf43b78
PH
2829PH/34 The spec says: "With one important exception, whenever a domain list is
2830 being scanned, $domain contains the subject domain." There was at least
2831 one case where this was not true.
2832
520de300
PH
2833PH/35 The error "getsockname() failed: connection reset by peer" was being
2834 written to the panic log as well as the main log, but it isn't really
2835 panic-worthy as it just means the connection died rather early on. I have
2836 removed the panic log writing for the ECONNRESET error when getsockname()
2837 fails.
2838
48c7f9e2
PH
2839PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
2840 runs only) independently of the message's sender address. This meant
2841 that, if the 4xx error was in fact related to the sender, a different
2842 message to the same recipient with a different sender could confuse
4c04137d 2843 things. In particular, this can happen when sending to a greylisting
48c7f9e2
PH
2844 server, but other circumstances could also provoke similar problems.
2845 I have changed the default so that the retry time for these errors is now
2846 based a combination of the sender and recipient addresses. This change
2847 can be overridden by setting address_retry_include_sender=false in the
2848 smtp transport.
2849
99ea1c86
PH
2850PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
2851 remote server are returned as part of bounce messages. This was not
2852 happening for LMTP over a pipe (the lmtp transport), but now it is the
2853 same for both kinds of LMTP.
2854
a2042e78
PH
2855PH/38 Despite being documented as not happening, Exim was rewriting addresses
2856 in header lines that were in fact CNAMEs. This is no longer the case.
2857
4fbcfc2e
PH
2858PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
2859 and queue runs started by the daemon processed all messages. This has
2860 been fixed so that -R and -S can now usefully be given with -q<time>.
2861
aa41d2de
PH
2862PH/40 Import PCRE release 6.7 (fixes some bugs).
2863
af561417
PH
2864PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
2865
3cc66b45
PH
2866PH/42 Give an error if -q is specified more than once.
2867
194cc0e4
PH
2868PH/43 Renamed the variables $interface_address and $interface_port as
2869 $received_ip_address and $received_port, to make it clear that these
2870 values apply to message reception, and not to the outgoing interface when
2871 a message is delivered. (The old names remain recognized, of course.)
2872
a401ddaa
PH
2873PH/44 There was no timeout on the connect() call when using a Unix domain
2874 socket in the ${readsocket expansion. There now is.
2875
4e88a19f
PH
2876PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
2877 be meaningful with "accept".
2878
d7d7b289
SC
2879SC/01 Eximstats V1.43
2880 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
2881
2882SC/02 Eximstats V1.44
2883 Use a glob alias rather than an array ref in the generated
2884 parser. This improves both readability and performance.
2885
2886SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
2887 Collect SpamAssassin and rejection statistics.
2888 Don't display local sender or destination tables unless
2889 there is data to show.
2890 Added average volumes into the top table text output.
2891
2892SC/04 Eximstats V1.46
2893 Collect data on the number of addresses (recipients)
2894 as well as the number of messages.
2895
2896SC/05 Eximstats V1.47
2897 Added 'Message too big' to the list of mail rejection
2898 reasons (thanks to Marco Gaiarin).
2899
2900SC/06 Eximstats V1.48
2901 Mainlog lines which have GMT offsets and are too short to
2902 have a flag are now skipped.
2903
2904SC/07 Eximstats V1.49 (Alain Williams)
2905 Added the -emptyok flag.
2906
2907SC/08 Eximstats V1.50
2908 Fixes for obtaining the IP address from reject messages.
2909
0ea2a468
JJ
2910JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
2911 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
4c04137d 2912 whitespace changes from 4.64-PH/27
0ea2a468
JJ
2913
2914JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
2915 match 4.64-PH/13
2916
2917JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
2918 are found, allow negative numbers in numeric criteria)
2919
2920JJ/06 exipick.20061117.2, added new $message_body_missing variable
2921
2922JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
2923 to match changes made in 4.64-PH/43
2924
8a10f5a4
PH
2925PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
2926
30e18802
PH
2927PH/47 Put in an explicit test for a DNS lookup of an address record where the
2928 "domain" is actually an IP address, and force a failure. This locks out
2929 those revolvers/nameservers that support "A-for-A" lookups, in
2930 contravention of the specifications.
2931
55728a4f
PH
2932PH/48 When a host name was looked up from an IP address, and the subsequent
2933 forward lookup of the name timed out, the host name was left in
2934 $sender_host_name, contrary to the specification.
d7d7b289 2935
d7837193
PH
2936PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
2937 restricted to single-key lookups, Exim was not diagnosing an error if
2938 * or *@ was used with a query-style lookup.
2939
87054a31
PH
2940PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
2941
ea2c01d2
MH
2942MH/01 local_scan ABI version incremented to 1.1. It should have been updated
2943 long ago, but noone interested enough thought of it. Let's just say that
2944 the "1.1" means that there are some new functions that weren't there at
2945 some point in the past.
2946
e4fa6968
PH
2947PH/51 Error processing for expansion failure of helo_data from an smtp
2948 transport during callout processing was broken.
2949
56f5d9bd
PH
2950PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
2951 tested/used via the -bh/-bhc/-bs options.
2952
922e1c28
PH
2953PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
2954 bug, fixed in subsequent PCRE releases).
2955
21eb6e72
PH
2956PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
2957 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
2958
a0540757
PH
2959PH/55 Check for a ridiculously long file name in exim_dbmbuild.
2960
944e9e9c 2961
478be7b0
SC
2962Exim version 4.63
2963-----------------
2964
2965SC/01 Use a glob alias rather than an array ref in eximstats generated
2966 parser. This improves both readability and performance.
2967
2968SC/02 Collect SpamAssassin and rejection statistics in eximstats.
2969 Don't display local sender or destination tables in eximstats unless
2970 there is data to show.
2971 Added average volumes into the eximstats top table text output.
2972
2973SC/03 Collect data on the number of addresses (recipients) as well
2974 as the number of messages in eximstats.
2975
2b965a65
TF
2976TF/01 Correct an error in the documentation for the redirect router. Exim
2977 does (usually) call initgroups() when daemonizing.
478be7b0 2978
45b91596
PH
2979TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
2980 with consistent privilege compared to when running as a daemon.
478be7b0 2981
c59f5781
TF
2982TF/03 Note in the spec that $authenticated_id is not set for local
2983 submissions from trusted users.
2984
90fc3069
TF
2985TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
2986 Thanks to Dean Brooks <dean@iglou.com> for the patch.
2987
6083aca0
TF
2988TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
2989 by adding some example configuration directives to the default
2990 configuration file. A little bit of work is required to uncomment the
2991 directives and define how usernames and passwords are checked, but
2992 there is now a framework to start from.
2993
765b530f
PH
2994PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
2995 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
2996 without this. I don't know how relevant this is to other LDAP libraries.
2997
4e167a8c
PH
2998PH/02 Add the verb name to the "unknown ACL verb" error.
2999
4608d683
PH
3000PH/03 Magnus Holmgren's patch for filter_prepend_home.
3001
b8dc3e4a
PH
3002PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
3003
5418e93b
PH
3004PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
3005 directory not expanded when it should be if an expanded home directory
3006 was set for the address (which is overridden by the transport).
3007
b4a9bda2
PH
3008PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
3009 libradius.
3010
45b91596
PH
3011PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
3012 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
3013 because it is too late at that time, and has no effect.
3014
5547e2c5
PH
3015PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
3016 security issue with \' (bugzilla #107). I could not use the
3017 PQescapeStringConn() function, because it needs a PGconn value as one of
3018 its arguments.
3019
dbcef0ea
PH
3020PH/08 When testing addresses using -bt, indicate those final addresses that
3021 are duplicates that would not cause an additional delivery. At least one
3022 person was confused, thinking that -bt output corresponded to deliveries.
3023 (Suppressing duplicates isn't a good idea as you lose the information
3024 about possibly different redirections that led to the duplicates.)
3025
25257489
PH
3026PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
3027 systems where poll() doesn't work, in particular OS X.
3028
c816d124
PH
3029PH/10 Added more information to debugging output for retry time not reached.
3030
a9ccd69a
PH
3031PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
3032 operations in malware.c.
3033
75fa1910
PH
3034PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
3035 signatures.
3036
a7d7aa58
PH
3037PH/13 If write_rejectlog was set false when logging was sent to syslog with
3038 syslog_duplication set false, log lines that would normally be written
3039 both the the main log and to the reject log were not written to syslog at
3040 all.
3041
42119b09
PH
3042PH/14 In the default configuration, change the use of "message" in ACL warn
3043 statements to "add_header".
3044
41609df5
PH
3045PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
3046 not followed by a command (e.g. "seen endif").
3047
a5bd321b
PH
3048PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
3049 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
3050 latter.
3051
e85a7ad5 3052PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
3053 so that it is now:
3054
e85a7ad5
PH
3055 ${if or { \
3056 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
3057 { match{$h_precedence:}{(?i)bulk|list|junk} } \
3058 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
3059 }{no}{yes}}
3060
e85a7ad5
PH
3061 The Auto-Submitted: and various List- headers are standardised, whereas I
3062 don't think Precedence: ever was.
5dff5817 3063
d8fe1c03
PH
3064PH/18 Refactored debugging code in route_finduser() to show more information,
3065 in particular, the error code if getpwnam() issues one.
3066
16282d2b
PH
3067PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
3068 This is apparently needed in addition to the PH/07 change above to avoid
3069 any possible encoding problems.
3070
35d40a98
PH
3071PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
3072 but not after initializing Perl.
3073
034d99ab
PH
3074PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
3075 output them only if debugging. By default they are written stderr,
3076 apparently, which is not desirable.
3077
6ec97b1b
PH
3078PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
3079 queries.
3080
e22ca4ac
JJ
3081JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
3082 --not options
3083
3084JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
3085
33d73e3b
PH
3086PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
3087 authenticated or an ident call has been made. Suppress the default
3088 values for $authenticated_id and $authenticated_sender (but permit -oMai
3089 and -oMas) when testing with -bh.
3090
9ecb03f3
PH
3091PH/24 Re-jigged the order of the tests in the default configuration so that the
3092 tests for valid domains and recipients precede the DNS black list and CSA
3093 tests, on the grounds that those ones are more expensive.
3094
084efe8d
PH
3095PH/25 Exim was not testing for a space following SMTP commands such as EHLO
3096 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
3097 This bug exists in every version of Exim that I still have, right back to
3098 0.12.
3099
366fc9f0
PH
3100PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
3101 However, an attempt to turn on case-sensitivity in a regex key by
3102 including (?-i) didn't work because the subject string was already
3103 lowercased, and the effects were non-intuitive. It turns out that a
3104 one-line patch can be used to allow (?-i) to work as expected.
3105
c59f5781 3106
c887c79e
TF
3107Exim version 4.62
3108-----------------
3109
3110TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
3111 other effects) broke the use of negated acl sub-conditions.
3112
1cce3af8
PH
3113PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
3114 patch).
3115
afb3eaaf
PH
3116PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
3117 "Deny" causes Exim to reject the incoming connection with a 554 error.
3118 Unfortunately, if there is a major crisis, such as a disk failure,
3119 tcp-wrappers gives "deny", whereas what one would like would be some
3120 kind of temporary error. A kludge has been added to help with this.
3121 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
3122 554 error is used if errno is still zero or contains ENOENT (which occurs
3123 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
3124 451 error is used.
3125
e173618b
PH
3126PH/03 Add -lutil to the default FreeBSD LIBS setting.
3127
dd16e114
PH
3128PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
3129 errors. Otherwise a message that provokes a temporary error (when other
3130 messages do not) can cause a whole host to time out.
3131
f7fd3850
PH
3132PH/05 Batch deliveries by appendfile and pipe transports did not work when the
3133 addresses were routed directly to files or pipes from a redirect router.
3134 File deliveries just didn't batch; pipe deliveries might have suffered
3135 odd errors.
3136
d87df92c
PH
3137PH/06 A failure to get a lock for a hints database would erroneously always say
3138 "Failed to get write lock", even when it was really a read lock.
3139
7e9f683d
PH
3140PH/07 The appendfile transport was creating MBX lock files with a fixed mode
3141 of 0600. This has been changed to use the value of the lockfile_mode
3142 option (which defaults to 0600).
3143
bfad5236
PH
3144PH/08 Applied small patch from the Sieve maintainer.
3145
01c490df
PH
3146PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
3147 folder from quota calculations, a direct delivery into this folder messed
3148 up the contents of the maildirsize file. This was because the regex was
3149 used only to exclude .Trash (or whatever) when the size of the mailbox
3150 was calculated. There was no check that a delivery was happening into an
3151 excluded directory. This bug has been fixed by ignoring all quota
3152 processing for deliveries into excluded directories.
3153
d6629cdc
PH
3154PH/10 Added the maildirfolder_create_regex option to appendfile.
3155
1cce3af8 3156
214e2000
PH
3157Exim version 4.61
3158-----------------
3159
3160PH/01 The code for finding all the local interface addresses on a FreeBSD
3161 system running IPv6 was broken. This may well have applied to all BSD
3162 systems, as well as to others that have similar system calls. The broken
3163 code found IPv4 interfaces correctly, but gave incorrect values for the
3164 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
3165 that it would not match correctly against @[] and not recognize the IPv6
3166 addresses as local.
3167
f9daeae0
PH
3168PH/02 The ipliteral router was not recognizing addresses of the form user@
3169 [ipv6:....] because it didn't know about the "ipv6:" prefix.
3170
7e66e54d
PH
3171PH/03 Added disable_ipv6.
3172
c8ea1597
PH
3173PH/04 Changed $reply_address to use the raw form of the headers instead of the
3174 decoded form, because it is most often used to construct To: headers
3175 lines in autoreplies, and the decoded form may well be syntactically
3176 invalid. However, $reply_address has leading white space removed, and all
3177 newlines turned into spaces so that the autoreply transport does not
3178 grumble.
3179
911f6fde
PH
3180PH/05 If group was specified without a user on a router, and no group or user
3181 was specified on a transport, the group from the router was ignored.
3182
47ca6d6c
PH
3183PH/06 Increased the number of ACL variables to 20 of each type, and arranged
3184 for visible compile-time settings that can be used to change these
3185 numbers, for those that want even more. Backwards compatibility with old
3186 spool files has been maintained. However, going back to a previous Exim
3187 release will lost any variables that are in spool files.
3188
ed0e9820
PH
3189PH/07 Two small changes when running in the test harness: increase delay when
3190 passing a TCP/IP connection to a new process, in case the original
3191 process has to generate a bounce, and remove special handling of
3192 127.0.0.2 (sic), which is no longer necessary.
3193
eff37e47
PH
3194PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
3195 be the same on different OS.
3196
1921d2ea
PH
3197PH/09 Moved a debug statement in filter processing to avoid a race problem when
3198 testing.
3199
b3f69ca8
JJ
3200JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
3201 whether --show-vars was specified or not
3202
3203JJ/02 exipick: Added support for new ACL variable spool format introduced
3204 in 4.61-PH/06
3205
424a1c63
PH
3206PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
3207 syntactically invalid From: or Reply-to: line, and a filter used this to
3208 generate an autoreply, and therefore failed to obtain an address for the
3209 autoreply, Exim could try to deliver to a non-existent relative file
3210 name, causing unrelated and misleading errors. What now happens is that
3211 it logs this as a hard delivery error, but does not attempt to create a
3212 bounce message.
3213
7a100415
PH
3214PH/11 The exinext utility has a -C option for testing purposes, but although
3215 the given file was scanned by exinext itself; it wasn't being passed on
3216 when Exim was called.
3217
19b9dc85
PH
3218PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
3219 an end-of-file indication when reading a command response.
3220
309bd837
PH
3221PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
3222 compiled. In many other places in Exim, IPv6 addresses are always
3223 recognized, so I have changed this. It also means that IPv4 domain
3224 literals of the form [IPV4:n.n.n.n] are now always recognized.
3225
59e82a2a
PH
3226PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
3227 used if the router is not running as root, for example, when verifying at
3228 ACL time, or when using -bh. The debugging output from this situation was
3229 non-existent - all you got was a failure to exec. I have made two
3230 changes:
3231
3232 (a) Failures to set uid/gid, the current directory, or a process leader
3233 in a subprocess such as that created by queryprogram now generate
4c04137d 3234 suitable debugging output when -d is set.
59e82a2a
PH
3235
3236 (b) The queryprogram router detects when it is not running as root,
3237 outputs suitable debugging information if -d is set, and then runs
3238 the subprocess without attempting to change uid/gid.
3239
9edc04ce
PH
3240PH/15 Minor change to Makefile for building test_host (undocumented testing
3241 feature).
3242
1349e1e5
PH
3243PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
3244 additional section of a DNS packet that returns MX or SRV records.
3245 Instead, it always explicitly searches for A/AAAA records. This avoids
3246 major problems that occur when a DNS server includes only records of one
3247 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
3248 fixed another bug: if SRV records were looked up and the corresponding
3249 address records were *not* found in the additional section, the port
3250 values from the SRV records were lost.
3251
ea49d0e1
PH
3252PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
3253 using the correct key (the original address) when searching the retry
3254 rules in order to find which one to use for generating the retry hint.
3255
064a94c9
PH
3256PH/18 If quota_warn_message contains a From: header, Exim now refrains from
3257 adding the default one. Similarly, if it contains a Reply-To: header, the
3258 errors_reply_to option, if set, is not used.
3259
727071f8
PH
3260PH/19 When calculating a retry time, Exim used to measure the "time since
3261 failure" by looking at the "first failed" field in the retry record. Now
3262 it does not use this if it is later than than the arrival time of the
3263 message. Instead it uses the arrival time. This makes for better
3264 behaviour in cases where some deliveries succeed, thus re-setting the
3265 "first failed" field. An example is a quota failure for a huge message
3266 when small mes