typo
[exim.git] / doc / doc-txt / ChangeLog
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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 10
c39c8870
GF
11GF/01 DEFER rather than ERROR on redis cluster MOVED response.
12 When redis_servers is set to a list of > 1 element, and the Redis servers
13 in that list are in cluster configuration, convert the REDIS_REPLY_ERROR
14 case of MOVED into a DEFER case instead, thus moving the query onto the
15 next server in the list. For a cluster of N elements, all N servers must
16 be defined in redis_servers.
17
459fca58
JH
18JH/01 Replace the store_release() internal interface with store_newblock(),
19 which internalises the check required to safely use the old one, plus
20 the allocate and data copy operations duplicated in both (!) of the
21 extant use locations.
22
944e8b37
JH
23JH/02 Disallow '/' characters in queue names specified for the "queue=" ACL
24 modifier. This matches the restriction on the commandline.
25
bbfb5dcd
JH
26JH/03 Fix pgsql lookup for multiple result-tuples with a single column.
27 Previously only the last row was returned.
28
a05d3e34
JH
29JH/04 Bug 2217: Tighten up the parsing of DKIM signature headers. Previously
30 we assumed that tags in the header were well-formed, and parsed the
31 element content after inspecting only the first char of the tag.
32 Assumptions at that stage could crash the receive process on malformed
33 input.
34
ce93c6d8
JH
35JH/05 Bug 2215: Fix crash associated with dnsdb lookup done from DKIM ACL.
36 While running the DKIM ACL we operate on the Permanent memory pool so that
37 variables created with "set" persist to the DATA ACL. Also (at any time)
38 DNS lookups that fail create cache records using the Permanent pool. But
39 expansions release any allocations made on the current pool - so a dnsdb
40 lookup expansion done in the DKIM ACL releases the memory used for the
41 DNS negative-cache, and bad things result. Solution is to switch to the
42 Main pool for expansions.
43 While we're in that code, add checks on the DNS cache during store_reset,
44 active in the testsuite.
45 Problem spotted, and debugging aided, by Wolfgang Breyha.
46
2577f55f
JH
47JH/06 Fix issue with continued-connections when the DNS shifts unreliably.
48 When none of the hosts presented to a transport match an already-open
49 connection, close it and proceed with the list. Previously we would
50 queue the message. Spotted by Lena with Yahoo, probably involving
51 round-robin DNS.
52
5b6f7658
JH
53JH/07 Bug 2214: Fix SMTP responses resulting from non-accept result of MIME ACL.
54 Previously a spurious "250 OK id=" response was appended to the proper
55 failure response.
56
c11d665d
JH
57JH/08 The "support for" informational output now, which built with Content
58 Scanning support, has a line for the malware scanner interfaces compiled
59 in. Interface can be individually included or not at build time.
e5ba8aa7
JH
60
61JH/09 The "aveserver", "kavdaemon" and "mksd" interfaces are now not included
62 by the template makefile "src/EDITME". The "STREAM" support for an older
63 ClamAV interface method is removed.
c11d665d 64
ba0e37b1
JH
65JH/10 Bug 2223: Fix mysql lookup returns for the no-data case (when the number of
66 rows affected is given instead).
67
96508de1
JH
68JH/11 The runtime Berkeley DB library version is now additionally output by
69 "exim -d -bV". Previously only the compile-time version was shown.
70
06fdb9f7
JH
71JH/12 Bug 2230: Fix cutthrough routing for nonfirst messages in an initiating
72 SMTP connection. Previously, when one had more receipients than the
73 first, an abortive onward connection was made. Move to full support for
74 multiple onward connections in sequence, handling cutthrough connection
75 for all multi-message initiating connections.
76
f83a760f
JH
77JH/13 Bug 2229: Fix cutthrough routing for nonstandard port numbers defined by
78 routers. Previously, a multi-recipient message would fail to match the
79 onward-connection opened for the first recipient, and cause its closure.
80
f1fed05b
JH
81JH/14 Bug 2174: A timeout on connect for a callout was also erroneously seen as
82 a timeout on read on a GnuTLS initiating connection, resulting in the
83 initiating connection being dropped. This mattered most when the callout
84 was marked defer_ok. Fix to keep the two timeout-detection methods
85 separate.
86
051d5efa
JH
87JH/15 Relax results from ACL control request to enable cutthrough, in
88 unsupported situations, from error to silently (except under debug)
89 ignoring. This covers use with PRDR, frozen messages, queue-only and
90 fake-reject.
91
cf3cd306
HSHR
92HS/01 Fix Buffer overflow in base64d() (CVE-2018-6789)
93
744976d4
JH
94JH/16 Fix bug in DKIM verify: a buffer overflow could corrupt the malloc
95 metadata, resulting in a crash in free().
96
aab9a843 97PP/01 Fix broken Heimdal GSSAPI authenticator integration.
7be14582 98 Broken in f2ed27cf5, missing an equals sign for specified-initialisers.
aab9a843 99 Broken also in d185889f4, with init system revamp.
7be14582 100
83d2a861
JH
101JH/17 Bug 2113: Fix conversation closedown with the Avast malware scanner.
102 Previously we abruptly closed the connection after reading a malware-
103 found indication; now we go on to read the "scan ok" response line,
104 and send a quit.
105
6741531c
JH
106JH/18 Bug 2239: Enforce non-usability of control=utf8_downconvert in the mail
107 ACL. Previously, a crash would result.
108
85e03244
JH
109JH/19 Speed up macro lookups during configuration file read, by skipping non-
110 macro text after a replacement (previously it was only once per line) and
111 by skipping builtin macros when searching for an uppercase lead character.
112
c0635b6d
JH
113JH/20 DANE support moved from Experimental to mainline. The Makefile control
114 for the build is renamed.
115
b808677c
JH
116JH/21 Fix memory leak during multi-message connections using STARTTLS. A buffer
117 was allocated for every new TLS startup, meaning one per message. Fix
118 by only allocating once (OpenSSL) or freeing on TLS-close (GnuTLS).
119
6678c382
JH
120JH/22 Bug 2236: When a DKIM verification result is overridden by ACL, DMARC
121 reported the original. Fix to report (as far as possible) the ACL
122 result replacing the original.
123
dec766a1
WB
124JH/23 Fix memory leak during multi-message connections using STARTTLS under
125 OpenSSL. Certificate information is loaded for every new TLS startup,
126 and the resources needed to be freed.
127
15ae19f9
JH
128JH/24 Bug 2242: Fix exim_dbmbuild to permit directoryless filenames.
129
e6532c4a
JH
130JH/25 Fix utf8_downconvert propagation through a redirect router. Previously it
131 was not propagated.
132
2556b3c6
SA
133JH/26 Bug 2253: For logging delivery lines under PRDR, append the overall
134 DATA response info to the (existing) per-recipient response info for
135 the "C=" log element. It can have useful tracking info from the
136 destination system. Patch from Simon Arlott.
137
fc8cd529
JH
138JH/27 Bug 2251: Fix ldap lookups that return a single attribute having zero-
139 length value. Previously this would segfault.
140
71bb51e0
HSHR
141HS/02 Support Avast multiline protoocol, this allows passing flags to
142 newer versions of the scanner.
143
e04bfa34
JH
144JH/28 Ensure that variables possibly set during message acceptance are marked
145 dead before release of memory in the daemon loop. This stops complaints
146 about them when the debug_store option is enabled. Discovered specifically
147 for sender_rate_period, but applies to a whole set of variables.
4b4856ff 148 Do the same for the queue-runner loop, for variables set from spool
c679ee08
JH
149 message files. Do the same for the SMTP per-message loop, for certain
150 variables indirectly set in ACL operations.
e04bfa34 151
ecce6d9a
JH
152JH/29 Bug 2250: Fix a longstanding bug in heavily-pipelined SMTP input (such
153 as a multi-recipient message from a mailinglist manager). The coding had
154 an arbitrary cutoff number of characters while checking for more input;
155 enforced by writing a NUL into the buffer. This corrupted long / fast
156 input. The problem was exposed more widely when more pipelineing of SMTP
157 responses was introduced, and one Exim system was feeding another.
158 The symptom is log complaints of SMTP syntax error (NUL chars) on the
159 receiving system, and refused recipients seen by the sending system
160 (propating to people being dropped from mailing lists).
161 Discovered and pinpointed by David Carter.
162
bbfb5dcd 163
acfc18c3
PP
164Exim version 4.90
165-----------------
166
167JH/01 Rework error string handling in TLS interface so that the caller in
168 more cases is responsible for logging. This permits library-sourced
169 string to be attached to addresses during delivery, and collapses
170 pairs of long lines into single ones.
171
856d1e16
PP
172PP/01 Allow PKG_CONFIG_PATH to be set in Local/Makefile and use it correctly
173 during configuration. Wildcards are allowed and expanded.
174
b9df1829
JH
175JH/02 Rework error string handling in DKIM to pass more info back to callers.
176 This permits better logging.
177
875512a3
JH
178JH/03 Rework the transport continued-connection mechanism: when TLS is active,
179 do not close it down and have the child transport start it up again on
180 the passed-on TCP connection. Instead, proxy the child (and any
181 subsequent ones) for TLS via a unix-domain socket channel. Logging is
182 affected: the continued delivery log lines do not have any DNSSEC, TLS
5013d912 183 Certificate or OCSP information. TLS cipher information is still logged.
875512a3 184
fc3f96af
JH
185JH/04 Shorten the log line for daemon startup by collapsing adjacent sets of
186 identical IP addresses on different listening ports. Will also affect
187 "exiwhat" output.
188
98913c8e
BK
189PP/02 Bug 2070: uClibc defines __GLIBC__ without providing glibc headers;
190 add noisy ifdef guards to special-case this sillyness.
191 Patch from Bernd Kuhls.
192
8d909960
JH
193JH/05 Tighten up the checking in isip4 (et al): dotted-quad components larger
194 than 255 are no longer allowed.
195
7006ee24
JH
196JH/06 Default openssl_options to include +no_ticket, to reduce load on peers.
197 Disable the session-cache too, which might reduce our load. Since we
198 currrectly use a new context for every connection, both as server and
199 client, there is no benefit for these.
200 GnuTLS appears to not support tickets server-side by default (we don't
201 call gnutls_session_ticket_enable_server()) but client side is enabled
202 by default on recent versions (3.1.3 +) unless the PFS priority string
203 is used (3.2.4 +).
204
6e411084
PP
205PP/03 Add $SOURCE_DATE_EPOCH support for reproducible builds, per spec at
206 <https://reproducible-builds.org/specs/source-date-epoch/>.
207
4c2471ca
JH
208JH/07 Fix smtp transport use of limited max_rcpt under mua_wrapper. Previously
209 the check for any unsuccessful recipients did not notice the limit, and
210 erroneously found still-pending ones.
211
4e910c01
JH
212JH/08 Pipeline CHUNKING command and data together, on kernels that support
213 MSG_MORE. Only in-clear (not on TLS connections).
214
42055a33
JH
215JH/09 Avoid using a temporary file during transport using dkim. Unless a
216 transport-filter is involved we can buffer the headers in memory for
217 creating the signature, and read the spool data file once for the
218 signature and again for transmission.
219
eeb35890
JH
220JH/10 Enable use of sendfile in Linux builds as default. It was disabled in
221 4.77 as the kernel support then wasn't solid, having issues in 64bit
7d758a6a 222 mode. Now, it's been long enough. Add support for FreeBSD also.
eeb35890 223
b7d3afcf
JH
224JH/11 Bug 2104: Fix continued use of a transport connection with TLS. In the
225 case where the routing stage had gathered several addresses to send to
226 a host before calling the transport for the first, we previously failed
227 to close down TLS in the old transport process before passing the TCP
228 connection to the new process. The new one sent a STARTTLS command
229 which naturally failed, giving a failed delivery and bloating the retry
230 database. Investigation and fix prototype from Wolfgang Breyha.
231
40525d07
JH
232JH/12 Fix check on SMTP command input synchronisation. Previously there were
233 false-negatives in the check that the sender had not preempted a response
234 or prompt from Exim (running as a server), due to that code's lack of
a5ffa9b4 235 awareness of the SMTP input buffering.
40525d07 236
f33875c3
PP
237PP/04 Add commandline_checks_require_admin option.
238 Exim drops privileges sanely, various checks such as -be aren't a
239 security problem, as long as you trust local users with access to their
240 own account. When invoked by services which pass untrusted data to
241 Exim, this might be an issue. Set this option in main configuration
242 AND make fixes to the calling application, such as using `--` to stop
243 processing options.
244
a5ffa9b4
JH
245JH/13 Do pipelining under TLS. Previously, although safe, no advantage was
246 taken. Now take care to pack both (client) MAIL,RCPT,DATA, and (server)
247 responses to those, into a single TLS record each way (this usually means
248 a single packet). As a side issue, smtp_enforce_sync now works on TLS
249 connections.
925ac8e4 250
6600985a
PP
251PP/05 OpenSSL/1.1: use DH_bits() for more accurate DH param sizes. This
252 affects you only if you're dancing at the edge of the param size limits.
253 If you are, and this message makes sense to you, then: raise the
254 configured limit or use OpenSSL 1.1. Nothing we can do for older
255 versions.
256
ac4d558b
JH
257JH/14 For the "sock" variant of the malware scanner interface, accept an empty
258 cmdline element to get the documented default one. Previously it was
259 inaccessible.
260
e69636bc
JH
261JH/15 Fix a crash in the smtp transport caused when two hosts in succession
262 are unsuable for non-message-specific reasons - eg. connection timeout,
263 banner-time rejection.
264
a843a57e
JH
265JH/16 Fix logging of delivery remote port, when specified by router, under
266 callout/hold.
267
8e041ae0
PP
268PP/06 Repair manualroute's ability to take options in any order, even if one
269 is the name of a transport.
833c70bc
PP
270 Fixes bug 2140.
271
35a04365
HSHR
272HS/01 Cleanup, prevent repeated use of -p/-oMr (CVE-2017-1000369)
273
4226691b
JH
274JH/17 Change the list-building routines interface to use the expanding-string
275 triplet model, for better allocation and copying behaviour.
276
d185889f
JH
277JH/18 Prebuild the data-structure for "builtin" macros, for faster startup.
278 Previously it was constructed the first time a possibly-matching string
279 was met in the configuration file input during startup; now it is done
280 during compilation.
281
0a6c178c
JH
282JH/19 Bug 2141: Use the full-complex API for Berkeley DB rather than the legacy-
283 compatible one, to avoid the (poorly documented) possibility of a config
284 file in the working directory redirecting the DB files, possibly correpting
02745400 285 some existing file. CVE-2017-10140 assigned for BDB.
0a6c178c 286
fae8970d
JH
287JH/20 Bug 2147: Do not defer for a verify-with-callout-and-random which is not
288 cache-hot. Previously, although the result was properly cached, the
289 initial verify call returned a defer.
290
ad1a76fe 291JH/21 Bug 2151: Avoid using SIZE on the MAIL for a callout verify, on any but
14de8063
JH
292 the main verify for receipient in uncached-mode.
293
ad1a76fe
JH
294JH/22 Retire historical build files to an "unsupported" subdir. These are
295 defined as "ones for which we have no current evidence of testing".
296
135e9496
JH
297JH/23 DKIM: enforce the DNS pubkey record "h" permitted-hashes optional field,
298 if present. Previously it was ignored.
299
f2ed27cf
JH
300JH/24 Start using specified-initialisers in C structure init coding. This is
301 a C99 feature (it's 2017, so now considered safe).
302
7eb0e5d2
JH
303JH/25 Use one-bit bitfields for flags in the "addr" data structure. Previously
304 if was a fixed-sized field and bitmask ops via macros; it is now more
305 extensible.
306
4f9f4be4
307PP/07 GitHub PR 56: Apply MariaDB build fix.
308 Patch provided by Jaroslav Škarvada.
309
dc4de9cc
PP
310PP/08 Bug 2161: Fix regression in sieve quoted-printable handling introduced
311 during Coverity cleanups [4.87 JH/47]
312 Diagnosis and fix provided by Michael Fischer v. Mollard.
313
ea18931d
JH
314JH/26 Fix DKIM bug: when the pseudoheader generated for signing was exactly
315 the right size to place the terminating semicolon on its own folded
316 line, the header hash was calculated to an incorrect value thanks to
317 the (relaxed) space the fold became.
318
2cee425a
HSHR
319HS/02 Fix Bug 2130: large writes from the transport subprocess where chunked
320 and confused the parent.
321
848214f7
JH
322JH/27 Fix SOCKS bug: an unitialized pointer was deref'd by the transport process
323 which could crash as a result. This could lead to undeliverable messages.
324
9e0ed81f
JH
325JH/28 Logging: "next input sent too soon" now shows where input was truncated
326 for log purposes.
327
2540f2f8
JH
328JH/29 Fix queue_run_in_order to ignore the PID portion of the message ID. This
329 matters on fast-turnover and PID-randomising systems, which were getting
330 out-of-order delivery.
331
e5ab0ba9
JH
332JH/30 Fix a logging bug on aarch64: an unsafe routine was previously used for
333 a possibly-overlapping copy. The symptom was that "Remote host closed
334 connection in response to HELO" was logged instead of the actual 4xx
335 error for the HELO.
336
e99a3a6c
JH
337JH/31 Fix CHUNKING code to properly flush the unwanted chunk after an error.
338 Previously only that bufferd was discarded, resulting in SYMTP command
339 desynchronisation.
340
18067c75
JH
341JH/32 DKIM: when a message has multiple signatures matching an identity given
342 in dkim_verify_signers, run the dkim acl once for each. Previously only
343 one run was done. Bug 2189.
344
72934ba7
JH
345JH/33 Downgrade an unfound-list name (usually a typo in the config file) from
346 "panic the current process" to "deliberately defer". The panic log is
347 still written with the problem list name; the mail and reject logs now
348 get a temp-reject line for the message that was being handled, saying
349 something like "domains check lookup or other defer". The SMTP 451
350 message is still "Temporary local problem".
351
625667b6
JH
352JH/34 Bug 2199: Fix a use-after-free while reading smtp input for header lines.
353 A crafted sequence of BDAT commands could result in in-use memory beeing
b488395f
JH
354 freed. CVE-2017-16943.
355
356HS/03 Bug 2201: Fix checking for leading-dot on a line during headers reading
357 from SMTP input. Previously it was always done; now only done for DATA
358 and not BDAT commands. CVE-2017-16944.
625667b6 359
d21bf202
JH
360JH/35 Bug 2201: Flush received data in BDAT mode after detecting an error fatal
361 to the message (such as an overlong header line). Previously this was
362 not done and we did not exit BDAT mode. Followon from the previous item
363 though a different problem.
364
acfc18c3 365
fd047340 366Exim version 4.89
acfc18c3 367-----------------
4c57a40e 368
9427e879 369JH/01 Bug 1922: Support IDNA2008. This has slightly different conversion rules
4c04137d 370 than -2003 did; needs libidn2 in addition to libidn.
fd047340 371
7b283890
JH
372JH/02 The path option on a pipe transport is now expanded before use.
373
4c57a40e
PP
374PP/01 GitHub PR 50: Do not call ldap_start_tls_s on ldapi:// connections.
375 Patch provided by "Björn", documentation fix added too.
376
5d036699
JH
377JH/03 Bug 2003: fix Proxy Protocol v2 handling: the address size field was
378 missing a wire-to-host endian conversion.
379
f4630439
JH
380JH/04 Bug 2004: fix CHUNKING in non-PIPELINEING mode. Chunk data following
381 close after a BDAT command line could be taken as a following command,
382 giving a synch failure. Fix by only checking for synch immediately
383 before acknowledging the chunk.
384
f988ce57
JS
385PP/02 GitHub PR 52: many spelling fixes, which include fixing parsing of
386 no_require_dnssec option and creation of _HAVE_TRANSPORT_APPEND_MAILDIR
387 macro. Patches provided by Josh Soref.
388
bd8fbe36
JH
389JH/05 Have the EHLO response advertise VRFY, if there is a vrfy ACL defined.
390 Previously we did not; the RFC seems ambiguous and VRFY is not listed
391 by IANA as a service extension. However, John Klensin suggests that we
392 should.
393
394JH/06 Bug 2017: Fix DKIM verification in -bh test mode. The data feed into
b895f4b2
JH
395 the dkim code may be unix-mode line endings rather than smtp wire-format
396 CRLF, so prepend a CR to any bare LF.
fd047340 397
bd8fbe36 398JH/07 Rationalise the coding for callout smtp conversations and transport ones.
902fbd69
JH
399 As a side-benfit, callouts can now use PIPELINING hence fewer round-trips.
400
bd8fbe36
JH
401JH/08 Bug 2016: Fix DKIM verification vs. CHUNKING. Any BDAT commands after
402 the first were themselves being wrongly included in the feed into dkim
403 processing; with most chunk sizes in use this resulted in an incorrect
404 body hash calculated value.
405
eea19017
JH
406JH/09 Bug 2014: permit inclusion of a DKIM-Signature header in a received
407 DKIM signature block, for verification. Although advised against by
408 standards it is specifically not ruled illegal.
409
44e6651b
JH
410JH/10 Bug 2025: Fix reception of (quoted) local-parts with embedded spaces.
411
412JH/11 Bug 2029: Fix crash in DKIM verification when a message signature block is
413 missing a body hash (the bh= tag).
414
415JH/12 Bug 2018: Re-order Proxy Protocol startup versus TLS-on-connect startup.
416 It seems that HAProxy sends the Proxy Protocol information in clear and
417 only then does a TLS startup, so do the same.
418
419JH/13 Bug 2027: Avoid attempting to use TCP Fast Open for non-transport client
420 TCP connections (such as for Spamd) unless the daemon successfully set
421 Fast Open mode on its listening sockets. This fixes breakage seen on
422 too-old kernels or those not configured for Fast Open, at the cost of
423 requiring both directions being enabled for TFO, and TFO never being used
424 by non-daemon-related Exim processes.
425
426JH/14 Bug 2000: Reject messages recieved with CHUNKING but with malformed line
427 endings, at least on the first header line. Try to canonify any that get
428 past that check, despite the cost.
429
b6040544
JH
430JH/15 Angle-bracket nesting (an error inserted by broken sendmails) levels are
431 now limited to an arbitrary five deep, while parsing addresses with the
432 strip_excess_angle_brackets option enabled.
433
f700ea4d
PP
434PP/03 Bug 2018: For Proxy Protocol and TLS-on-connect, do not over-read and
435 instead leave the unprompted TLS handshake in socket buffer for the
436 TLS library to consume.
437
da88acae
PP
438PP/04 Bug 2018: Also handle Proxy Protocol v2 safely.
439
f6ef9370
PP
440PP/05 FreeBSD compat: handle that Ports no longer create /usr/bin/perl
441
90341c71
JH
442JH/16 Drop variables when they go out of scope. Memory management drops a whole
443 region in one operation, for speed, and this leaves assigned pointers
444 dangling. Add checks run only under the testsuite which checks all
445 variables at a store-reset and panics on a dangling pointer; add code
446 explicitly nulling out all the variables discovered. Fixes one known
447 bug: a transport crash, where a dangling pointer for $sending_ip_address
448 originally assigned in a verify callout, is re-used.
449
1ec2ab36
PP
450PP/06 Drop '.' from @INC in various Perl scripts.
451
452PP/07 Switch FreeBSD iconv to always use the base-system libc functions.
453
454PP/08 Reduce a number of compilation warnings under clang; building with
455 CC=clang CFLAGS+=-Wno-dangling-else -Wno-logical-op-parentheses
456 should be warning-free.
457
8b2b9480
PP
458JH/17 Fix inbound CHUNKING when DKIM disabled at runtime.
459
460HS/01 Fix portability problems introduced by PP/08 for platforms where
461 realloc(NULL) is not equivalent to malloc() [SunOS et al].
462
d953610f
HSHR
463HS/02 Bug 1974: Fix missing line terminator on the last received BDAT
464 chunk. This allows us to accept broken chunked messages. We need a more
465 general solution here.
466
7dc5f827
PP
467PP/09 Wrote util/chunking_fixqueue_finalnewlines.pl to help recover
468 already-broken messages in the queue.
469
4bb432cb
PP
470JH/18 Bug 2061: Fix ${extract } corrupting an enclosing ${reduce } $value.
471
3b1a84c8
PP
472JH/19 Fix reference counting bug in routing-generated-address tracking.
473
902fbd69 474
8d042305
JH
475Exim version 4.88
476-----------------
4c57a40e 477
9094b84b
JH
478JH/01 Use SIZE on MAIL FROM in a cutthrough connection, if the destination
479 supports it and a size is available (ie. the sending peer gave us one).
8d042305 480
03d5892b
JH
481JH/02 The obsolete acl condition "demime" is removed (finally, after ten
482 years of being deprecated). The replacements are the ACLs
483 acl_smtp_mime and acl_not_smtp_mime.
484
4b0fe319
JH
485JH/03 Upgrade security requirements imposed for hosts_try_dane: previously
486 a downgraded non-dane trust-anchor for the TLS connection (CA-style)
487 or even an in-clear connection were permitted. Now, if the host lookup
488 was dnssec and dane was requested then the host is only used if the
489 TLSA lookup succeeds and is dnssec. Further hosts (eg. lower priority
490 MXs) will be tried (for hosts_try_dane though not for hosts_require_dane)
491 if one fails this test.
492 This means that a poorly-configured remote DNS will make it incommunicado;
493 but it protects against a DNS-interception attack on it.
494
789f8a4f
JH
495JH/04 Bug 1810: make continued-use of an open smtp transport connection
496 non-noisy when a race steals the message being considered.
497
23bb6982 498JH/05 If main configuration option tls_certificate is unset, generate a
f59aaaaa 499 self-signed certificate for inbound TLS connections.
23bb6982 500
0bd1b1ed 501JH/06 Bug 165: hide more cases of password exposure - this time in expansions
f42deca9 502 in rewrites and routers.
0bd1b1ed 503
20b9a2dc
JH
504JH/07 Retire gnutls_require_mac et.al. These were nonfunctional since 4.80
505 and logged a warning sing 4.83; now they are a configuration file error.
506
05392bbc
JH
507JH/08 Bug 1836: Fix crash in VRFY handling when handed an unqualified name
508 (lacking @domain). Apply the same qualification processing as RCPT.
509
1a6230a3
JH
510JH/09 Bug 1804: Avoid writing msglog files when in -bh or -bhc mode.
511
cfab9d68
JH
512JH/10 Support ${sha256:} applied to a string (as well as the previous
513 certificate).
514
98c82a3d
JH
515JH/11 Cutthrough: avoid using the callout hints db on a verify callout when
516 a cutthrough deliver is pending, as we always want to make a connection.
517 This also avoids re-routing the message when later placing the cutthrough
518 connection after a verify cache hit.
519 Do not update it with the verify result either.
520
521JH/12 Cutthrough: disable when verify option success_on_redirect is used, and
522 when routing results in more than one destination address.
523
ae8386f0
JH
524JH/13 Cutthrough: expand transport dkim_domain option when testing for dkim
525 signing (which inhibits the cutthrough capability). Previously only
526 the presence of an option was tested; now an expansion evaluating as
527 empty is permissible (obviously it should depend only on data available
528 when the cutthrough connection is made).
529
0d9fa8c0
JH
530JH/14 Fix logging of errors under PIPELINING. Previously the log line giving
531 the relevant preceding SMTP command did not note the pipelining mode.
532
3581f321
JH
533JH/15 Fix counting of empty lines in $body_linecount and $message_linecount.
534 Previously they were not counted.
535
ef3a1a30
JH
536JH/16 DANE: treat a TLSA lookup response having all non-TLSA RRs, the same
537 as one having no matching records. Previously we deferred the message
538 that needed the lookup.
539
4c04137d 540JH/17 Fakereject: previously logged as a normal message arrival "<="; now
27b9e5f4
JH
541 distinguished as "(=".
542
1435d4b2
JH
543JH/18 Bug 1867: make the fail_defer_domains option on a dnslookup router work
544 for missing MX records. Previously it only worked for missing A records.
545
eea0defe
JB
546JH/19 Bug 1850: support Radius libraries that return REJECT_RC.
547
548JH/20 Bug 1872: Ensure that acl_smtp_notquit is run when the connection drops
549 after the data-go-ahead and data-ack. Patch from Jason Betts.
860cdda2 550
4c04137d 551JH/21 Bug 1846: Send DMARC forensic reports for reject and quarantine results,
72a201e2
TM
552 even for a "none" policy. Patch from Tony Meyer.
553
1c788856
JH
554JH/22 Fix continued use of a connection for further deliveries. If a port was
555 specified by a router, it must also match for the delivery to be
556 compatible.
557
e3b1f624
JH
558JH/23 Bug 1874: fix continued use of a connection for further deliveries.
559 When one of the recipients of a message was unsuitable for the connection
560 (has no matching addresses), we lost track of needing to mark it
561 deferred. As a result mail would be lost.
562
a57ce043
JH
563JH/24 Bug 1832: Log EHLO response on getting conn-close response for HELO.
564
f59aaaaa 565JH/25 Decoding ACL controls is now done using a binary search; the source code
2d009132
JH
566 takes up less space and should be simpler to maintain. Merge the ACL
567 condition decode tables also, with similar effect.
d7bed771 568
d1f9fb42
JH
569JH/26 Fix problem with one_time used on a redirect router which returned the
570 parent address unchanged. A retry would see the parent address marked as
571 delivered, so not attempt the (identical) child. As a result mail would
572 be lost.
573
92b0827a
JH
574JH/27 Fix a possible security hole, wherein a process operating with the Exim
575 UID can gain a root shell. Credit to http://www.halfdog.net/ for
576 discovery and writeup. Ubuntu bug 1580454; no bug raised against Exim
577 itself :(
578
ddf1b11a
JH
579JH/28 Enable {spool,log} filesystem space and inode checks as default.
580 Main config options check_{log,spool}_{inodes,space} are now
581 100 inodes, 10MB unless set otherwise in the configuration.
582
3cc3f762
JH
583JH/29 Fix the connection_reject log selector to apply to the connect ACL.
584 Previously it only applied to the main-section connection policy
585 options.
586
ae5afa61
JH
587JH/30 Bug 1897: fix callouts connection fallback from TLS to cleartext.
588
317e40ac
PP
589PP/01 Changed default Diffie-Hellman parameters to be Exim-specific, created
590 by me. Added RFC7919 DH primes as an alternative.
591
8b0fb68e
PP
592PP/02 Unbreak build via pkg-config with new hash support when crypto headers
593 are not in the system include path.
594
ad7fc6eb 595JH/31 Fix longstanding bug with aborted TLS server connection handling. Under
f59aaaaa 596 GnuTLS, when a session startup failed (eg because the client disconnected)
ad7fc6eb
JH
597 Exim did stdio operations after fclose. This was exposed by a recent
598 change which nulled out the file handle after the fclose.
ad7fc6eb 599
ee5b1e28
JH
600JH/32 Bug 1909: Fix OCSP proof verification for cases where the proof is
601 signed directly by the cert-signing cert, rather than an intermediate
602 OCSP-signing cert. This is the model used by LetsEncrypt.
603
5ddc9771
JH
604JH/33 Bug 1914: Ensure socket is nonblocking before draining after SMTP QUIT.
605
8d73599f
JH
606HS/01 Fix leak in verify callout under GnuTLS, about 3MB per recipient on
607 an incoming connection.
608
446415f5
HSHR
609HS/02 Bug 1802: Do not half-close the connection after sending a request
610 to rspamd.
611
8e53a4fc
HSHR
612HS/03 Use "auto" as the default EC curve parameter. For OpenSSL < 1.0.2
613 fallback to "prime256v1".
8d042305 614
87cb4a16 615JH/34 SECURITY: Use proper copy of DATA command in error message.
4c57a40e 616 Could leak key material. Remotely exploitable. CVE-2016-9963.
87cb4a16
JH
617
618
0d9b78be
JH
619Exim version 4.87
620-----------------
4c57a40e 621
82d14d6a
JH
622JH/01 Bug 1664: Disable OCSP for GnuTLS library versions at/before 3.3.16
623 and 3.4.4 - once the server is enabled to respond to an OCSP request
624 it does even when not requested, resulting in a stapling non-aware
625 client dropping the TLS connection.
0d9b78be 626
6c6d6e48
TF
627TF/01 Code cleanup: Overhaul the debug_selector and log_selector machinery to
628 support variable-length bit vectors. No functional change.
629
ac881e27
TF
630TF/02 Improve the consistency of logging incoming and outgoing interfaces.
631 The I= interface field on outgoing lines is now after the H= remote
632 host field, same as incoming lines. There is a separate
633 outgoing_interface log selector which allows you to disable the
634 outgoing I= field.
635
c8899c20
JH
636JH/02 Bug 728: Close logfiles after a daemon-process "exceptional" log write.
637 If not running log_selector +smtp_connection the mainlog would be held
638 open indefinitely after a "too many connections" event, including to a
639 deleted file after a log rotate. Leave the per net connection logging
640 leaving it open for efficiency as that will be quickly detected by the
641 check on the next write.
642
f1b81d81
HSHR
643HS/01 Bug 1671: Fix post transport crash.
644 Processing the wait-<transport> messages could crash the delivery
645 process if the message IDs didn't exist for some reason. When
646 using 'split_spool_directory=yes' the construction of the spool
647 file name failed already, exposing the same netto behaviour.
648
f38917cc
JH
649JH/03 Bug 425: Capture substrings in $regex1, $regex2 etc from regex &
650 mime_regex ACL conditions.
651
895fbaf2
JH
652JH/04 Bug 1686: When compiled with EXPERIMENTAL_DSN_INFO: Add extra information
653 to DSN fail messages (bounces): remote IP, remote greeting, remote response
654 to HELO, local diagnostic string.
655
805bb5c3
JH
656JH/05 Downgrade message for a TLS-certificate-based authentication fail from
657 log line to debug. Even when configured with a tls authenticator many
658 client connections are expected to not authenticate in this way, so
659 an authenticate fail is not an error.
660
56c2a7be
HSHR
661HS/02 Add the Exim version string to the process info. This way exiwhat
662 gives some more detail about the running daemon.
663
4c04137d 664JH/06 Bug 1395: time-limit caching of DNS lookups, to the TTL value. This may
14b3c5bc
JH
665 matter for fast-change records such as DNSBLs.
666
6f6dedcc
JH
667JH/07 Bug 1678: Always record an interface option value, if set, as part of a
668 retry record, even if constant. There may be multiple transports with
669 different interface settings and the retry behaviour needs to be kept
670 distinct.
671
0f557e90
JH
672JH/08 Bug 1586: exiqgrep now refuses to run if there are unexpected arguments.
673
674JH/09 Bug 1700: ignore space & tab embedded in base64 during decode.
675
ec0eb1a3
JH
676JH/10 Bug 840: fix log_defer_output option of pipe transport
677
41e93589
JH
678JH/11 Bug 830: use same host for all RCPTS of a message, even under
679 hosts_randomize. This matters a lot when combined with mua_wrapper.
680
98b98887 681JH/12 Bug 1706: percent and underbar characters are no longer escaped by the
376d2ec0
JH
682 ${quote_pgsql:<string>} operator.
683
98b98887
JH
684JH/13 Bug 1708: avoid misaligned access in cached lookup.
685
858e91c2
JH
686JH/14 Change header file name for freeradius-client. Relevant if compiling
687 with Radius support; from the Gentoo tree and checked under Fedora.
688
689JH/15 Bug 1712: Introduce $prdr_requested flag variable
690
6ff55e50
JH
691JH/16 Bug 1714: Permit an empty string as expansion result for transport
692 option transport_filter, meaning no filtering.
693
3b957582
JB
694JH/17 Bug 1713: Fix non-PDKIM_DEBUG build. Patch from Jasen Betts.
695
23f3dc67
JH
696JH/18 Bug 1709: When built with TLS support, the tls_advertise_hosts option now
697 defaults to "*" (all hosts). The variable is now available when not built
4c04137d 698 with TLS, default unset, mainly to enable keeping the testsuite sane.
23f3dc67
JH
699 If a server certificate is not supplied (via tls_certificate) an error is
700 logged, and clients will find TLS connections fail on startup. Presumably
701 they will retry in-clear.
702 Packagers of Exim are strongly encouraged to create a server certificate
703 at installation time.
704
240c288f
JH
705HS/03 Add -bP config_file as a synonym for -bP configure_file, for consistency
706 with the $config_file variable.
707
5ef5dd52
JB
708JH/19 Two additional event types: msg:rcpt:defer and msg:rcpt:host:defer. Both
709 in transport context, after the attempt, and per-recipient. The latter type
710 is per host attempted. The event data is the error message, and the errno
711 information encodes the lookup type (A vs. MX) used for the (first) host,
4c04137d 712 and the trailing two digits of the smtp 4xx response.
5ef5dd52 713
e161710d
GF
714GF/01 Bug 1715: Fix for race condition in exicyclog, where exim could attempt
715 to write to mainlog (or rejectlog, paniclog) in the window between file
716 creation and permissions/ownership being changed. Particularly affects
717 installations where exicyclog is run as root, rather than exim user;
718 result is that the running daemon panics and dies.
719
a159f203
JH
720JH/20 Bug 1701: For MySQL lookups, support MySQL config file option group names.
721
7f06582c
JH
722JH/21 Bug 1720: Add support for priority groups and weighted-random proxy
723 selection for the EXPERIMENTAL_SOCKS feature, via new per-proxy options
724 "pri" and "weight". Note that the previous implicit priority given by the
725 list order is no longer honoured.
726
4c04137d 727JH/22 Bugs 963, 1721: Fix some corner cases in message body canonicalization
abe1010c
JH
728 for DKIM processing.
729
f0989ec0
JH
730JH/23 Move SOCKS5 support from Experimental to mainline, enabled for a build
731 by defining SUPPORT_SOCKS.
74f150bf 732
cee5f132
JH
733JH/26 Move PROXY support from Experimental to mainline, enabled for a build
734 by defining SUPPORT_PROXY. Note that the proxy_required_hosts option
e6d2a989
JH
735 is renamed to hosts_proxy, and the proxy_{host,target}_{address,port}.
736 variables are renamed to proxy_{local,external}_{address,port}.
cee5f132 737
8c5d388a
JH
738JH/27 Move Internationalisation support from Experimental to mainline, enabled
739 for a build by defining SUPPORT_I18N
740
2d8d625b
JH
741JH/28 Bug 1745: Fix redis lookups to handle (quoted) spaces embedded in parts
742 of the query string, and make ${quote_redis:} do that quoting.
743
0cbf2b82
JH
744JH/29 Move Events support from Experimental to mainline, enabled by default
745 and removable for a build by defining DISABLE_EVENT.
746
f2f2c91b
JH
747JH/30 Updated DANE implementation code to current from Viktor Dukhovni.
748
ce325893
JH
749JH/31 Fix bug with hosts_connection_nolog and named-lists which were wrongly
750 cached by the daemon.
751
de78e2d5
JH
752JH/32 Move Redis support from Experimental to mainline, enabled for a build
753 by defining LOOKUP_REDIS. The libhiredis library is required.
754
379ba7d0
JH
755JH/33 Bug 1748: Permit ACL dnslists= condition in non-smtp ACLs if explicit
756 keys are given for lookup.
757
f444c2c7
JH
758JH/34 Bug 1192: replace the embedded copy of PolarSSL RSA routines in the DKIM
759 support, by using OpenSSL or GnuTLS library ones. This means DKIM is
07c73177
JH
760 only supported when built with TLS support. The PolarSSL SHA routines
761 are still used when the TLS library is too old for convenient support.
f444c2c7 762
a57b6200
JH
763JH/35 Require SINGLE_DH_USE by default in OpenSSL (main config option
764 openssl_options), for security. OpenSSL forces this from version 1.1.0
765 server-side so match that on older versions.
766
07c73177 767JH/36 Bug 1778: longstanding bug in memory use by the ${run } expansion: A fresh
fa01e4f8 768 allocation for $value could be released as the expansion processing
07c73177 769 concluded, but leaving the global pointer active for it.
fa01e4f8 770
4f6ae5c3
JH
771JH/37 Bug 1769: Permit a VRFY ACL to override the default 252 response,
772 and to use the domains and local_parts ACL conditions.
773
1bc460a6
JH
774JH/38 Fix cutthrough bug with body lines having a single dot. The dot was
775 incorrectly not doubled on cutthrough transmission, hence seen as a
776 body-termination at the receiving system - resulting in truncated mails.
62ac2eb7 777 Commonly the sender saw a TCP-level error, and retransmitted the message
1bc460a6
JH
778 via the normal store-and-forward channel. This could result in duplicates
779 received - but deduplicating mailstores were liable to retain only the
780 initial truncated version.
781
ab9152ff 782JH/39 Bug 1781: Fix use of DKIM private-keys having trailing '=' in the base-64.
df3def24 783
67e87fcf
JH
784JH/40 Fix crash in queryprogram router when compiled with EXPERIMENTAL_SRS.
785
ab9152ff
JH
786JH/41 Bug 1792: Fix selection of headers to sign for DKIM: bottom-up. While
787 we're in there, support oversigning also; bug 1309.
788
af483912
JH
789JH/42 Bug 1796: Fix error logged on a malware scanner connection failure.
790
bc3c7bb7 791HS/04 Add support for keep_environment and add_environment options.
df3def24 792
13559da6
JH
793JH/43 Tidy coding issues detected by gcc --fsanitize=undefined. Some remain;
794 either intentional arithmetic overflow during PRNG, or testing config-
795 induced overflows.
796
59eaad2b
JH
797JH/44 Bug 1800: The combination of a -bhc commandline option and cutthrough
798 delivery resulted in actual delivery. Cancel cutthrough before DATA
799 stage.
800
f9334a28
JH
801JH/45 Fix cutthrough, when connection not opened by verify and target hard-
802 rejects a recipient: pass the reject to the originator.
803
dc8091e7
JH
804JH/46 Multiple issues raised by Coverity. Some were obvious or plausible bugs.
805 Many were false-positives and ignorable, but it's worth fixing the
806 former class.
807
dfe7d917
JH
808JH/47 Fix build on HP-UX and older Solaris, which need (un)setenv now also
809 for the new environment-manipulation done at startup. Move the routines
810 from being local to tls.c to being global via the os.c file.
811
93cc2d6e
JH
812JH/48 Bug 1807: Fix ${extract } for the numeric/3-string case. While preparsing
813 an extract embedded as result-arg for a map, the first arg for extract
814 is unavailable so we cannot tell if this is a numbered or keyed
815 extraction. Accept either.
816
13559da6 817
9c695f6d
JH
818Exim version 4.86
819-----------------
4c57a40e 820
9c695f6d
JH
821JH/01 Bug 1545: The smtp transport option "retry_include_ip_address" is now
822 expanded.
823
506900af
JH
824JH/02 The smtp transport option "multi_domain" is now expanded.
825
ad07e9ad
JH
826JH/03 The smtp transport now requests PRDR by default, if the server offers
827 it.
828
01a4a5c5 829JH/04 Certificate name checking on server certificates, when exim is a client,
b3ef41c9 830 is now done by default. The transport option tls_verify_cert_hostnames
01a4a5c5
JH
831 can be used to disable this per-host. The build option
832 EXPERIMENTAL_CERTNAMES is withdrawn.
833
cb1d7830 834JH/05 The value of the tls_verify_certificates smtp transport and main options
0e0f3f56 835 default to the word "system" to access the system default CA bundle.
cb1d7830
JH
836 For GnuTLS, only version 3.0.20 or later.
837
610ff438 838JH/06 Verification of the server certificate for a TLS connection is now tried
6d580f19
JH
839 (but not required) by default. The verification status is now logged by
840 default, for both outbound TLS and client-certificate supplying inbound
841 TLS connections
610ff438 842
f926e272
JH
843JH/07 Changed the default rfc1413 lookup settings to disable calls. Few
844 sites use this now.
845
50dc7409
JH
846JH/08 The EXPERIMENTAL_DSN compile option is no longer needed; all Delivery
847 Status Notification (bounce) messages are now MIME format per RFC 3464.
848 Support for RFC 3461 DSN options NOTIFY,ENVID,RET,ORCPT can be advertised
849 under the control of the dsn_advertise_hosts option, and routers may
850 have a dsn_lasthop option.
851
0f0c8159
JH
852JH/09 A timeout of 2 minutes is now applied to all malware scanner types by
853 default, modifiable by a malware= option. The list separator for
23763898 854 the options can now be changed in the usual way. Bug 68.
4e71661f 855
1ad6489e
JH
856JH/10 The smtp_receive_timeout main option is now expanded before use.
857
aeaf5db3
JH
858JH/11 The incoming_interface log option now also enables logging of the
859 local interface on delivery outgoing connections.
860
5032d1cf
JH
861JH/12 The cutthrough-routing facility now supports multi-recipient mails,
862 if the interface and destination host and port all match.
863
7e8360e6
JH
864JH/13 Bug 344: The verify = reverse_host_lookup ACL condition now accepts a
865 /defer_ok option.
866
c5f280e2
AL
867JH/14 Bug 1573: The spam= ACL condition now additionally supports Rspamd.
868 Patch from Andrew Lewis.
869
fd4d8871 870JH/15 Bug 670: The spamd_address main option (for the spam= ACL condition)
dc7b3d36 871 now supports optional time-restrictions, weighting, and priority
fd4d8871
R
872 modifiers per server. Patch originally by <rommer@active.by>.
873
874JH/16 The spamd_address main option now supports a mixed list of local
2aad5761
JH
875 and remote servers. Remote servers can be IPv6 addresses, and
876 specify a port-range.
fd4d8871 877
23763898
JH
878JH/17 Bug 68: The spamd_address main option now supports an optional
879 timeout value per server.
880
2ad78978
JH
881JH/18 Bug 1581: Router and transport options headers_add/remove can
882 now have the list separator specified.
883
8a512ed5 884JH/19 Bug 392: spamd_address, and clamd av_scanner, now support retry
cfab9d68 885 option values.
8a512ed5 886
82c0c8ea 887JH/20 Bug 1571: Ensure that $tls_in_peerdn is set, when verification fails
f69979cf
JH
888 under OpenSSL.
889
cc00f4af
JH
890JH/21 Support for the A6 type of dns record is withdrawn.
891
82c0c8ea
JH
892JH/22 Bug 608: The result of a QUIT or not-QUIT toplevel ACL now matters
893 rather than the verbs used.
894
b980ed83
JH
895JH/23 Bug 1572: Increase limit on SMTP confirmation message copy size
896 from 255 to 1024 chars.
897
6c9ed72e
JH
898JH/24 Verification callouts now attempt to use TLS by default.
899
cfab9d68 900HS/01 DNSSEC options (dnssec_require_domains, dnssec_request_domains)
99c1bb4e 901 are generic router options now. The defaults didn't change.
50dc7409 902
f846c8f5
JH
903JH/25 Bug 466: Add RFC2322 support for MIME attachment filenames.
904 Original patch from Alexander Shikoff, worked over by JH.
905
fd4c285c
HSHR
906HS/02 Bug 1575: exigrep falls back to autodetection of compressed
907 files if ZCAT_COMMAND is not executable.
908
4c04137d 909JH/26 Bug 1539: Add timeout/retry options on dnsdb lookups.
fd7f7910 910
d2a2c69b
JH
911JH/27 Bug 286: Support SOA lookup in dnsdb lookups.
912
8241d8dd
JH
913JH/28 Bug 1588: Do not use the A lookup following an AAAA for setting the FQDN.
914 Normally benign, it bites when the pair was led to by a CNAME;
4c04137d 915 modern usage is to not canonicalize the domain to a CNAME target
8241d8dd
JH
916 (and we were inconsistent anyway for A-only vs AAAA+A).
917
1f12df4d
JH
918JH/29 Bug 1632: Removed the word "rejected" from line logged for ACL discards.
919
1f155f8e
JH
920JH/30 Check the forward DNS lookup for DNSSEC, in addition to the reverse,
921 when evaluating $sender_host_dnssec.
922
1705dd20
JH
923JH/31 Check the HELO verification lookup for DNSSEC, adding new
924 $sender_helo_dnssec variable.
925
038597d2
PP
926JH/32 Bug 1397: Enable ECDHE on OpenSSL, just the NIST P-256 curve.
927
474f71bf
JH
928JH/33 Bug 1346: Note MAIL cmd seen in -bS batch, to avoid smtp_no_mail log.
929
7137ca4b
JH
930JH/34 Bug 1648: Fix a memory leak seen with "mailq" and large queues.
931
dcb1095c
JH
932JH/35 Bug 1642: Fix support of $spam_ variables at delivery time. Was
933 documented as working, but never had. Support all but $spam_report.
934
2f460950
JH
935JH/36 Bug 1659: Guard checking of input smtp commands again pseudo-command
936 added for tls authenticator.
937
2f680c0c
HSHR
938HS/03 Add perl_taintmode main config option
939
9c695f6d 940
e449c3b0
TL
941Exim version 4.85
942-----------------
4c57a40e 943
e449c3b0
TL
944TL/01 When running the test suite, the README says that variables such as
945 no_msglog_check are global and can be placed anywhere in a specific
946 test's script, however it was observed that placement needed to be near
947 the beginning for it to behave that way. Changed the runtest perl
948 script to read through the entire script once to detect and set these
949 variables, reset to the beginning of the script, and then run through
950 the script parsing/test process like normal.
951
ac20058f
TL
952TL/02 The BSD's have an arc4random API. One of the functions to induce
953 adding randomness was arc4random_stir(), but it has been removed in
954 OpenBSD 5.5. Detect this OpenBSD version and skip calling this
955 function when detected.
956
a9b8ec8b
JH
957JH/01 Expand the EXPERIMENTAL_TPDA feature. Several different events now
958 cause callback expansion.
959
6286d7c4
TL
960TL/03 Bugzilla 1518: Clarify "condition" processing in routers; that
961 syntax errors in an expansion can be treated as a string instead of
962 logging or causing an error, due to the internal use of bool_lax
963 instead of bool when processing it.
964
0f06b4f2 965JH/02 Add EXPERIMENTAL_DANE, allowing for using the DNS as trust-anchor for
d567a64d
JH
966 server certificates when making smtp deliveries.
967
be36e572
JH
968JH/03 Support secondary-separator specifier for MX, SRV, TLSA lookups.
969
ac4ef9bd
JH
970JH/04 Add ${sort {list}{condition}{extractor}} expansion item.
971
0eb51736
TL
972TL/04 Bugzilla 1216: Add -M (related messages) option to exigrep.
973
c713ca4b
TL
974TL/05 GitHub Issue 18: Adjust logic testing for true/false in redis lookups.
975 Merged patch from Sebastian Wiedenroth.
e449c3b0 976
bd21a787
WB
977JH/05 Fix results-pipe from transport process. Several recipients, combined
978 with certificate use, exposed issues where response data items split
979 over buffer boundaries were not parsed properly. This eventually
980 resulted in duplicates being sent. This issue only became common enough
4c04137d 981 to notice due to the introduction of connection certificate information,
bd21a787
WB
982 the item size being so much larger. Found and fixed by Wolfgang Breyha.
983
8bc732e8
JH
984JH/06 Bug 1533: Fix truncation of items in headers_remove lists. A fixed
985 size buffer was used, resulting in syntax errors when an expansion
986 exceeded it.
987
a7fec7a7
JH
988JH/07 Add support for directories of certificates when compiled with a GnuTLS
989 version 3.3.6 or later.
990
4c04137d 991JH/08 Rename the TPDA experimental facility to Event Actions. The #ifdef
774ef2d7
JH
992 is EXPERIMENTAL_EVENT, the main-configuration and transport options
993 both become "event_action", the variables become $event_name, $event_data
aec45841 994 and $event_defer_errno. There is a new variable $verify_mode, usable in
723fe533
JH
995 routers, transports and related events. The tls:cert event is now also
996 raised for inbound connections, if the main configuration event_action
997 option is defined.
774ef2d7 998
eca4debb
TL
999TL/06 In test suite, disable OCSP for old versions of openssl which contained
1000 early OCSP support, but no stapling (appears to be less than 1.0.0).
1001
8d692470
JH
1002JH/09 When compiled with OpenSSL and EXPERIMENTAL_CERTNAMES, the checks on
1003 server certificate names available under the smtp transport option
1004 "tls_verify_cert_hostname" now do not permit multi-component wildcard
1005 matches.
1006
e9477a08
JH
1007JH/10 Time-related extraction expansions from certificates now use the main
1008 option "timezone" setting for output formatting, and are consistent
1009 between OpenSSL and GnuTLS compilations. Bug 1541.
1010
ad4c5ff9
JH
1011JH/11 Fix a crash in mime ACL when meeting a zero-length, quoted or RFC2047-
1012 encoded parameter in the incoming message. Bug 1558.
8dea5edf
JH
1013
1014JH/12 Bug 1527: Autogrow buffer used in reading spool files. Since they now
1015 include certificate info, eximon was claiming there were spoolfile
1016 syntax errors.
1017
3394b36a 1018JH/13 Bug 1521: Fix ldap lookup for single-attr request, multiple-attr return.
8dea5edf
JH
1019
1020JH/14 Log delivery-related information more consistently, using the sequence
1021 "H=<name> [<ip>]" wherever possible.
1022
3394b36a
TL
1023TL/07 Bug 1547: Omit RFCs from release. Draft and RFCs have licenses which
1024 are problematic for Debian distribution, omit them from the release
1025 tarball.
1026
ad4c5ff9
JH
1027JH/15 Updates and fixes to the EXPERIMENTAL_DSN feature.
1028
4c04137d 1029JH/16 Fix string representation of time values on 64bit time_t architectures.
ad4c5ff9
JH
1030 Bug 1561.
1031
1032JH/17 Fix a null-indirection in certextract expansions when a nondefault
1033 output list separator was used.
1034
8bc732e8 1035
1f0ebb98
TL
1036Exim version 4.84
1037-----------------
09728d20
TL
1038TL/01 Bugzilla 1506: Re-add a 'return NULL' to silence complaints from static
1039 checkers that were complaining about end of non-void function with no
1040 return.
1f0ebb98 1041
a612424f 1042JH/01 Bug 1513: Fix parsing of quoted parameter values in MIME headers.
4c04137d 1043 This was a regression introduced in 4.83 by another bugfix.
a612424f
JH
1044
1045JH/02 Fix broken compilation when EXPERIMENTAL_DSN is enabled.
1046
1047TL/02 Bug 1509: Fix exipick for enhanced spoolfile specification used when
a9b8ec8b 1048 EXPERIMENTAL_DSN is enabled. Fix from Wolfgang Breyha.
a612424f 1049
1f0ebb98 1050
c0e56233
TF
1051Exim version 4.83
1052-----------------
1053
1054TF/01 Correctly close the server side of TLS when forking for delivery.
1055
1056 When a message was received over SMTP with TLS, Exim failed to clear up
1057 the incoming connection properly after forking off the child process to
1058 deliver the message. In some situations the subsequent outgoing
1059 delivery connection happened to have the same fd number as the incoming
1060 connection previously had. Exim would try to use TLS and fail, logging
1061 a "Bad file descriptor" error.
1062
7245734e
TF
1063TF/02 Portability fix for building lookup modules on Solaris when the xpg4
1064 utilities have not been installed.
1065
fd5dad68
JH
1066JH/01 Fix memory-handling in use of acl as a conditional; avoid free of
1067 temporary space as the ACL may create new global variables.
1068
5428a946
TL
1069TL/01 LDAP support uses per connection or global context settings, depending
1070 upon the detected version of the libraries at build time.
1071
a3c86431
TL
1072TL/02 Experimental Proxy Protocol support: allows a proxied SMTP connection
1073 to extract and use the src ip:port in logging and expansions as if it
8ded8589
TL
1074 were a direct connection from the outside internet. PPv2 support was
1075 updated based on HAProxy spec change in May 2014.
a3c86431 1076
aa26e137
JH
1077JH/02 Add ${listextract {number}{list}{success}{fail}}.
1078
5a1b8443
WB
1079TL/03 Bugzilla 1433: Fix DMARC SEGV with specific From header contents.
1080 Properly escape header and check for NULL return.
1081
72c9e342
PP
1082PP/01 Continue incomplete 4.82 PP/19 by fixing docs too: use dns_dnssec_ok
1083 not dns_use_dnssec.
1084
76f44207
WB
1085JH/03 Bugzilla 1157: support log_selector smtp_confirmation for lmtp.
1086
770747fd
MFM
1087TL/04 Add verify = header_names_ascii check to reject email with non-ASCII
1088 characters in header names, implemented as a verify condition.
1089 Contributed by Michael Fischer v. Mollard.
1090
8ddef691 1091TL/05 Rename SPF condition results err_perm and err_temp to standardized
982650ec
TL
1092 results permerror and temperror. Previous values are deprecated but
1093 still accepted. In a future release, err_perm and err_temp will be
1094 completely removed, which will be a backward incompatibility if the
1095 ACL tests for either of these two old results. Patch contributed by
8ddef691 1096 user bes-internal on the mailing list.
c0e56233 1097
b9c2e32f
AR
1098JH/04 Add ${utf8clean:} operator. Contributed by Alex Rau.
1099
e45a1c37
JH
1100JH/05 Bugzilla 305: Log incoming-TLS details on rejects, subject to log
1101 selectors, in both main and reject logs.
1102
67d81c10
JH
1103JH/06 Log outbound-TLS and port details, subject to log selectors, for a
1104 failed delivery.
1105
b1f8e4f8
JH
1106JH/07 Add malware type "sock" for talking to simple daemon.
1107
511a6c14 1108JH/08 Bugzilla 1371: Add tls_{,try_}verify_hosts to smtp transport.
511a6c14
JH
1109
1110JH/09 Bugzilla 1431: Support (with limitations) headers_add/headers_remove in
1111 routers/transports under cutthrough routing.
214042d2 1112
51c7471d
JH
1113JH/10 Bugzilla 1005: ACL "condition =" should accept values which are negative
1114 numbers. Touch up "bool" conditional to keep the same definition.
1115
3695be34
TL
1116TL/06 Remove duplicated language in spec file from 4.82 TL/16.
1117
1e06383a
TL
1118JH/11 Add dnsdb tlsa lookup. From Todd Lyons.
1119
76146973
JH
1120JH/12 Expand items in router/transport headers_add or headers_remove lists
1121 individually rather than the list as a whole. Bug 1452.
1122
1123 Required for reasonable handling of multiple headers_ options when
1124 they may be empty; requires that headers_remove items with embedded
1125 colons must have them doubled (or the list-separator changed).
1126
8c8b8274
TL
1127TL/07 Add new dmarc expansion variable $dmarc_domain_policy to directly
1128 view the policy declared in the DMARC record. Currently, $dmarc_status
1129 is a combined value of both the record presence and the result of the
1130 analysis.
b1f8e4f8 1131
35aba663
JH
1132JH/13 Fix handling of $tls_cipher et.al. in (non-verify) transport. Bug 1455.
1133
8c51eead 1134JH/14 New options dnssec_request_domains, dnssec_require_domains on the
578897ea
JH
1135 dnslookup router and the smtp transport (applying to the forward
1136 lookup).
8c51eead 1137
deae092e
HS
1138TL/08 Bugzilla 1453: New LDAP "SERVERS=" option allows admin to override list
1139 of ldap servers used for a specific lookup. Patch provided by Heiko
1140 Schlichting.
35aba663 1141
fd3b6a4a 1142JH/18 New options dnssec_lax, dnssec_strict on dnsdb lookups.
4e0983dc 1143 New variable $lookup_dnssec_authenticated for observability.
fd3b6a4a 1144
8d91c6dc
LT
1145TL/09 Bugzilla 609: Add -C option to exiqgrep, specify which exim.conf to use.
1146 Patch submitted by Lars Timman.
1147
2b4a568d
JH
1148JH/19 EXPERIMENTAL_OCSP support under GnuTLS. Bug 1459.
1149
d2af03f4
HS
1150TL/10 Bugzilla 1454: New -oMm option to pass message reference to Exim.
1151 Requires trusted mode and valid format message id, aborts otherwise.
1152 Patch contributed by Heiko Schlichting.
1153
9d1c15ef
JH
1154JH/20 New expansion variables tls_(in,out)_(our,peer)cert, and expansion item
1155 certextract with support for various fields. Bug 1358.
1156
44662487
JH
1157JH/21 Observability of OCSP via variables tls_(in,out)_ocsp. Stapling
1158 is requested by default, modifiable by smtp transport option
6a8a60e0
JH
1159 hosts_request_ocsp.
1160
ed3bba5f 1161JH/22 Expansion operators ${md5:string} and ${sha1:string} can now
6a8a60e0 1162 operate on certificate variables to give certificate fingerprints
9ef9101c 1163 Also new ${sha256:cert_variable}.
44662487 1164
8ccd00b1
JH
1165JH/23 The PRDR feature is moved from being Experimental into the mainline.
1166
8ded8589
TL
1167TL/11 Bug 1119: fix memory allocation in string_printing2(). Patch from
1168 Christian Aistleitner.
1169
f2de3a33
JH
1170JH/24 The OCSP stapling feature is moved from Experimental into the mainline.
1171
6eb02f88
TL
1172TL/12 Bug 1444: Fix improper \r\n sequence handling when writing spool
1173 file. Patch from Wolfgang Breyha.
1174
00bff6f6
JH
1175JH/25 Expand the coverage of the delivery $host and $host_address to
1176 client authenticators run in verify callout. Bug 1476.
1177
071c51f7
JH
1178JH/26 Port service names are now accepted for tls_on_connect_ports, to
1179 align with daemon_smtp_ports. Bug 72.
1180
a6d4c44e
TF
1181TF/03 Fix udpsend. The ip_connectedsocket() function's socket type
1182 support and error reporting did not work properly.
1183
3ae173e7
ACK
1184TL/13 Bug 1495: Exiqgrep check if -C config file specified on cli exists
1185 and is readable. Patch from Andrew Colin Kissa.
1186
c13d09b8
TL
1187TL/14 Enhance documentation of ${run expansion and how it parses the
1188 commandline after expansion, particularly in the case when an
1189 unquoted variable expansion results in an empty value.
1190
0df4ab80
JH
1191JH/27 The TLS SNI feature was broken in 4.82. Fix it.
1192
66be95e0
PP
1193PP/02 Fix internal collision of T_APL on systems which support RFC3123
1194 by renaming away from it. Addresses GH issue 15, reported by
1195 Jasper Wallace.
1196
1bd0d12b
JH
1197JH/28 Fix parsing of MIME headers for parameters with quoted semicolons.
1198
0de7239e
TL
1199TL/15 SECURITY: prevent double expansion in math comparison functions
1200 (can expand unsanitized data). Not remotely exploitable.
1201 CVE-2014-2972
1202
fd3b6a4a 1203
2c422e6f 1204Exim version 4.82
98a90c36
PP
1205-----------------
1206
1207PP/01 Add -bI: framework, and -bI:sieve for querying sieve capabilities.
1208
12f69989
PP
1209PP/02 Make -n do something, by making it not do something.
1210 When combined with -bP, the name of an option is not output.
1211
54c90be1
PP
1212PP/03 Added tls_dh_min_bits SMTP transport driver option, only honoured
1213 by GnuTLS.
1214
1f4a55da
PP
1215PP/04 First step towards DNSSEC, provide $sender_host_dnssec for
1216 $sender_host_name and config options to manage this, and basic check
1217 routines.
1218
13363eba 1219PP/05 DSCP support for outbound connections and control modifier for inbound.
36a3ae5f 1220
66645890 1221PP/06 Cyrus SASL: set local and remote IP;port properties for driver.
e402235f
PP
1222 (Only plugin which currently uses this is kerberos4, which nobody should
1223 be using, but we should make it available and other future plugins might
1224 conceivably use it, even though it would break NAT; stuff *should* be
1225 using channel bindings instead).
66645890 1226
a3fb9793 1227PP/07 Handle "exim -L <tag>" to indicate to use syslog with tag as the process
f4ee74ac
PP
1228 name; added for Sendmail compatibility; requires admin caller.
1229 Handle -G as equivalent to "control = suppress_local_fixups" (we used to
1230 just ignore it); requires trusted caller.
a3fb9793 1231 Also parse but ignore: -Ac -Am -X<logfile>
f4ee74ac 1232 Bugzilla 1117.
a3fb9793 1233
d27f98fe 1234TL/01 Bugzilla 1258 - Refactor MAIL FROM optional args processing.
98a90c36 1235
6822b909
TL
1236TL/02 Add +smtp_confirmation as a default logging option.
1237
e7568d51
TL
1238TL/03 Bugzilla 198 - Implement remove_header ACL modifier.
1239 Patch by Magnus Holmgren from 2007-02-20.
1240
ae0e32ee 1241TL/04 Bugzilla 1281 - Spec typo.
ca0ff207 1242 Bugzilla 1283 - Spec typo.
97f42f10 1243 Bugzilla 1290 - Spec grammar fixes.
ca0ff207
TL
1244
1245TL/05 Bugzilla 1285 - Spec omission, fix docbook errors for spec.txt creation.
ae0e32ee 1246
e2658fff
TL
1247TL/06 Add Experimental DMARC support using libopendmarc libraries.
1248
83712b39
TL
1249TL/07 Fix an out of order global option causing a segfault. Reported to dev
1250 mailing list by by Dmitry Isaikin.
1251
976b7e9f
JH
1252JH/01 Bugzilla 1201 & 304 - New cutthrough-delivery feature, with TLS support.
1253
be4a1376
JH
1254JH/02 Support "G" suffix to numbers in ${if comparisons.
1255
ec4b68e5
PP
1256PP/08 Handle smtp transport tls_sni option forced-fail for OpenSSL.
1257
d7148a07
NM
1258NM/01 Bugzilla 1197 - Spec typo
1259 Bugzilla 1196 - Spec examples corrections
ec4b68e5 1260
585121e2 1261JH/03 Add expansion operators ${listnamed:name} and ${listcount:string}
ec4b68e5 1262
2519e60d
TL
1263PP/09 Add gnutls_allow_auto_pkcs11 option (was originally called
1264 gnutls_enable_pkcs11, but renamed to more accurately indicate its
1265 function.
a5f239e4 1266
13d08c90
PP
1267PP/10 Let Linux makefile inherit CFLAGS/CFLAGS_DYNAMIC.
1268 Pulled from Debian 30_dontoverridecflags.dpatch by Andreas Metzler.
1269
bef3ea7f
JH
1270JH/04 Add expansion item ${acl {name}{arg}...}, expansion condition
1271 "acl {{name}{arg}...}", and optional args on acl condition
1272 "acl = name arg..."
a5f239e4 1273
846726c5
JH
1274JH/05 Permit multiple router/transport headers_add/remove lines.
1275
3a796370
JH
1276JH/06 Add dnsdb pseudo-lookup "a+" to do an "aaaa" + "a" combination.
1277
ea722490 1278JH/07 Avoid using a waiting database for a single-message-only transport.
8b260705
PP
1279 Performance patch from Paul Fisher. Bugzilla 1262.
1280
b1b05573
JH
1281JH/08 Strip leading/trailing newlines from add_header ACL modifier data.
1282 Bugzilla 884.
1283
362145b5
JH
1284JH/09 Add $headers_added variable, with content from use of ACL modifier
1285 add_header (but not yet added to the message). Bugzilla 199.
1286
3c0a92dc
JH
1287JH/10 Add 8bitmime log_selector, for 8bitmime status on the received line.
1288 Pulled from Bugzilla 817 by Wolfgang Breyha.
1289
6d7c6175
PP
1290PP/11 SECURITY: protect DKIM DNS decoding from remote exploit.
1291 CVE-2012-5671
e78e6ecf 1292 (nb: this is the same fix as in Exim 4.80.1)
6d7c6175 1293
6f123593
JH
1294JH/11 Add A= logging on delivery lines, and a client_set_id option on
1295 authenticators.
1296
c8e2fc1e
JH
1297JH/12 Add optional authenticated_sender logging to A= and a log_selector
1298 for control.
1299
005ac57f
PP
1300PP/12 Unbreak server_set_id for NTLM/SPA auth, broken by 4.80 PP/29.
1301
3f1df0e3
PP
1302PP/13 Dovecot auth: log better reason to rejectlog if Dovecot did not
1303 advertise SMTP AUTH mechanism to us, instead of a generic
1304 protocol violation error. Also, make Exim more robust to bad
1305 data from the Dovecot auth socket.
1306
67bd1ab3
TF
1307TF/01 Fix ultimate retry timeouts for intermittently deliverable recipients.
1308
1309 When a queue runner is handling a message, Exim first routes the
1310 recipient addresses, during which it prunes them based on the retry
1311 hints database. After that it attempts to deliver the message to
1312 any remaining recipients. It then updates the hints database using
1313 the retry rules.
1314
1315 So if a recipient address works intermittently, it can get repeatedly
1316 deferred at routing time. The retry hints record remains fresh so the
1317 address never reaches the final cutoff time.
1318
1319 This is a fairly common occurrence when a user is bumping up against
1320 their storage quota. Exim had some logic in its local delivery code
1321 to deal with this. However it did not apply to per-recipient defers
1322 in remote deliveries, e.g. over LMTP to a separate IMAP message store.
1323
1ddeb334
TF
1324 This change adds a proper retry rule check during routing so that the
1325 final cutoff time is checked against the message's age. We only do
1326 this check if there is an address retry record and there is not a
1327 domain retry record; this implies that previous attempts to handle
1328 the address had the retry_use_local_parts option turned on. We use
1329 this as an approximation for the destination being like a local
1330 delivery, as in LMTP.
67bd1ab3
TF
1331
1332 I suspect this new check makes the old local delivery cutoff check
1333 redundant, but I have not verified this so I left the code in place.
1334
326cdc37
TF
1335TF/02 Correct gecos expansion when From: is a prefix of the username.
1336
1337 Test 0254 submits a message to Exim with the header
1338
1339 Resent-From: f
1340
1341 When I ran the test suite under the user fanf2, Exim expanded
1342 the header to contain my full name, whereas it should have added
1343 a Resent-Sender: header. It erroneously treats any prefix of the
1344 username as equal to the username.
1345
1346 This change corrects that bug.
1347
f62514b3
GF
1348GF/01 DCC debug and logging tidyup
1349 Error conditions log to paniclog rather than rejectlog.
1350 Debug lines prefixed by "DCC: " to remove any ambiguity.
1351
eb505532
TF
1352TF/03 Avoid unnecessary rebuilds of lookup-related code.
1353
14c7b357
PP
1354PP/14 Fix OCSP reinitialisation in SNI handling for Exim/TLS as server.
1355 Bug spotted by Jeremy Harris; was flawed since initial commit.
1356 Would have resulted in OCSP responses post-SNI triggering an Exim
1357 NULL dereference and crash.
1358
94eaf700
PP
1359JH/13 Add $router_name and $transport_name variables. Bugzilla 308.
1360
6f5a440a
PP
1361PP/15 Define SIOCGIFCONF_GIVES_ADDR for GNU Hurd.
1362 Bug detection, analysis and fix by Samuel Thibault.
1363 Bugzilla 1331, Debian bug #698092.
1364
514ee161
SC
1365SC/01 Update eximstats to watch out for senders sending 'HELO [IpAddr]'
1366
fd98a5c6
JH
1367JH/14 SMTP PRDR (http://www.eric-a-hall.com/specs/draft-hall-prdr-00.txt).
1368 Server implementation by Todd Lyons, client by JH.
1369 Only enabled when compiled with EXPERIMENTAL_PRDR. A new
1370 config variable "prdr_enable" controls whether the server
1371 advertises the facility. If the client requests PRDR a new
1372 acl_data_smtp_prdr ACL is called once for each recipient, after
1373 the body content is received and before the acl_smtp_data ACL.
4c04137d 1374 The client is controlled by both of: a hosts_try_prdr option
fd98a5c6
JH
1375 on the smtp transport, and the server advertisement.
1376 Default client logging of deliveries and rejections involving
1377 PRDR are flagged with the string "PRDR".
1378
035c7f1e
PP
1379PP/16 Fix problems caused by timeouts during quit ACLs trying to double
1380 fclose(). Diagnosis by Todd Lyons.
1381
ff284120
PP
1382PP/17 Update configure.default to handle IPv6 localhost better.
1383 Patch by Alain Williams (plus minor tweaks).
1384 Bugzilla 880.
1385
26e72755
PP
1386PP/18 OpenSSL made graceful with empty tls_verify_certificates setting.
1387 This is now consistent with GnuTLS, and is now documented: the
1388 previous undocumented portable approach to treating the option as
1389 unset was to force an expansion failure. That still works, and
1390 an empty string is now equivalent.
1391
0fbd9bff
PP
1392PP/19 Renamed DNSSEC-enabling option to "dns_dnssec_ok", to make it
1393 clearer that Exim is using the DO (DNSSEC OK) EDNS0 resolver flag,
1394 not performing validation itself.
1395
700d22f3
PP
1396PP/20 Added force_command boolean option to pipe transport.
1397 Patch from Nick Koston, of cPanel Inc.
1398
fcc8e047
JH
1399JH/15 AUTH support on callouts (and hence cutthrough-deliveries).
1400 Bugzilla 321, 823.
1401
4c04137d 1402TF/04 Added udpsend ACL modifier and hexquote expansion operator
7142daca 1403
8c020188
PP
1404PP/21 Fix eximon continuous updating with timestamped log-files.
1405 Broken in a format-string cleanup in 4.80, missed when I repaired the
1406 other false fix of the same issue.
1407 Report and fix from Heiko Schlichting.
1408 Bugzilla 1363.
1409
d13cdd30
PP
1410PP/22 Guard LDAP TLS usage against Solaris LDAP variant.
1411 Report from Prashanth Katuri.
1412
e2fbf4a2
PP
1413PP/23 Support safari_ecdhe_ecdsa_bug for openssl_options.
1414 It's SecureTransport, so affects any MacOS clients which use the
1415 system-integrated TLS libraries, including email clients.
1416
f4c1088b
PP
1417PP/24 Fix segfault from trying to fprintf() to a NULL stdio FILE* if
1418 using a MIME ACL for non-SMTP local injection.
1419 Report and assistance in diagnosis by Warren Baker.
1420
c5c2182f
PP
1421TL/08 Adjust exiqgrep to be case-insensitive for sender/receiver.
1422
73431ca9
JH
1423JH/16 Fix comparisons for 64b. Bugzilla 1385.
1424
2d07a215
TL
1425TL/09 Add expansion variable $authenticated_fail_id to keep track of
1426 last id that failed so it may be referenced in subsequent ACL's.
1427
a30a8861
TL
1428TL/10 Bugzilla 1375 - Prevent TLS rebinding in ldap. Patch provided by
1429 Alexander Miroch.
1430
33382dd9
TL
1431TL/11 Bugzilla 1382 - Option ldap_require_cert overrides start_tls
1432 ldap library initialization, allowing self-signed CA's to be
1433 used. Also properly sets require_cert option later in code by
1434 using NULL (global ldap config) instead of ldap handle (per
1435 session). Bug diagnosis and testing by alxgomz.
6d7c6175 1436
046172e6
TL
1437TL/12 Enhanced documentation in the ratelimit.pl script provided in
1438 the src/util/ subdirectory.
1439
581d7bee 1440TL/13 Bug 1031 - Imported transport SQL logging patch from Axel Rau
1a7b746d 1441 renamed to Transport Post Delivery Action by Jeremy Harris, as
9bdd29ad
TL
1442 EXPERIMENTAL_TPDA.
1443
1444TL/14 Bugzilla 1217 - Redis lookup support has been added. It is only enabled
1445 when Exim is compiled with EXPERIMENTAL_REDIS. A new config variable
1446 redis_servers = needs to be configured which will be used by the redis
1447 lookup. Patch from Warren Baker, of The Packet Hub.
1448
237b2cf2
TL
1449TL/15 Fix exiqsumm summary for corner case. Patch provided by Richard Hall.
1450
9fc5a352
TL
1451TL/16 Bugzilla 1289 - Clarify host/ip processing when have errors looking up a
1452 hostname or reverse DNS when processing a host list. Used suggestions
1453 from multiple comments on this bug.
1a7b746d 1454
b10e4ec2
TL
1455TL/17 Bugzilla 1057 - Multiple clamd TCP targets patch from Mark Zealey.
1456
e2cebd74
TL
1457TL/18 Had previously added a -CONTINUE option to runtest in the test suite.
1458 Missed a few lines, added it to make the runtest require no keyboard
1459 interaction.
1460
1461TL/19 Bugzilla 1402 - Test 533 fails if any part of the path to the test suite
1462 contains upper case chars. Make router use caseful_local_part.
1463
2519e60d
TL
1464TL/20 Bugzilla 1400 - Add AVOID_GNUTLS_PKCS11 build option. Allows GnuTLS
1465 support when GnuTLS has been built with p11-kit.
1466
e78e6ecf 1467
4263f395
PP
1468Exim version 4.80.1
1469-------------------
1470
1471PP/01 SECURITY: protect DKIM DNS decoding from remote exploit.
1472 CVE-2012-5671
2c422e6f 1473 This, or similar/improved, will also be change PP/11 of 4.82.
3c0a92dc 1474
ea722490 1475
b1770b6e 1476Exim version 4.80
0599f9cf
PP
1477-----------------
1478
1479PP/01 Handle short writes when writing local log-files.
1480 In practice, only affects FreeBSD (8 onwards).
1481 Bugzilla 1053, with thanks to Dmitry Isaikin.
1482
23c7e742
NM
1483NM/01 Bugzilla 949 - Documentation tweak
1484
b322aac8
NM
1485NM/02 Bugzilla 1093 - eximstats DATA reject detection regexps
1486 improved.
1487
4a891427
NM
1488NM/03 Bugzilla 1169 - primary_hostname spelling was incorrect in docs.
1489
c1e794ba 1490PP/02 Implemented gsasl authenticator.
b322aac8 1491
97753960
PP
1492PP/03 Implemented heimdal_gssapi authenticator with "server_keytab" option.
1493
1494PP/04 Local/Makefile support for (AUTH|LOOKUP)_*_PC=foo to use
1495 `pkg-config foo` for cflags/libs.
1496
df6303fa
PP
1497PP/05 Swapped $auth1/$auth2 for gsasl GSSAPI mechanism, to be more consistent
1498 with rest of GSASL and with heimdal_gssapi.
1499
7e6a8985
PP
1500PP/06 Local/Makefile support for USE_(GNUTLS|OPENSSL)_PC=foo to use
1501 `pkg-config foo` for cflags/libs for the TLS implementation.
1502
f1e05cc7 1503PP/07 New expansion variable $tls_bits; Cyrus SASL server connection
20aa9dbd
PP
1504 properties get this fed in as external SSF. A number of robustness
1505 and debugging improvements to the cyrus_sasl authenticator.
b322aac8 1506
4c287009
PP
1507PP/08 cyrus_sasl server now expands the server_realm option.
1508
b98bb9ac
PP
1509PP/09 Bugzilla 1214 - Log authentication information in reject log.
1510 Patch by Jeremy Harris.
1511
4a6a987a
PP
1512PP/10 Added dbmjz lookup type.
1513
c45dd180 1514PP/11 Let heimdal_gssapi authenticator take a SASL message without an authzid.
c7955b11 1515
7db8d074
PP
1516PP/12 MAIL args handles TAB as well as SP, for better interop with
1517 non-compliant senders.
1518 Analysis and variant patch by Todd Lyons.
1519
eae0036b 1520NM/04 Bugzilla 1237 - fix cases where printf format usage not indicated
cfab9d68 1521 Bug report from Lars Müller <lars@samba.org> (via SUSE),
e0df1c83
DM
1522 Patch from Dirk Mueller <dmueller@suse.com>
1523
dec5017e
PP
1524PP/13 tls_peerdn now print-escaped for spool files.
1525 Observed some $tls_peerdn in wild which contained \n, which resulted
1526 in spool file corruption.
1527
c80c5570
PP
1528PP/14 TLS fixes for OpenSSL: support TLS 1.1 & 1.2; new "openssl_options"
1529 values; set SSL_MODE_AUTO_RETRY so that OpenSSL will retry a read
1530 or write after TLS renegotiation, which otherwise led to messages
1531 "Got SSL error 2".
1532
076b11e2
PP
1533TK/01 Bugzilla 1239 - fix DKIM verification when signature was not inserted
1534 as a tracking header (ie: a signed header comes before the signature).
1535 Patch from Wolfgang Breyha.
1536
5407bfff
JH
1537JH/01 Bugzilla 660 - Multi-valued attributes from ldap now parseable as a
1538 comma-sep list; embedded commas doubled.
1539
9e45c72b
PP
1540JH/02 Refactored ACL "verify =" logic to table-driven dispatch.
1541
e74376d8
PP
1542PP/15 LDAP: Check for errors of TLS initialisation, to give correct
1543 diagnostics.
1544 Report and patch from Dmitry Banschikov.
1545
4c04137d 1546PP/16 Removed "dont_insert_empty_fragments" from "openssl_options".
da3ad30d
PP
1547 Removed SSL_clear() after SSL_new() which led to protocol negotiation
1548 failures. We appear to now support TLS1.1+ with Exim.
1549
7be682ca
PP
1550PP/17 OpenSSL: new expansion var $tls_sni, which if used in tls_certificate
1551 lets Exim select keys and certificates based upon TLS SNI from client.
3f0945ff
PP
1552 Also option tls_sni on SMTP Transports. Also clear $tls_bits correctly
1553 before an outbound SMTP session. New log_selector, +tls_sni.
7be682ca 1554
ef840681
PP
1555PP/18 Bugzilla 1122 - check localhost_number expansion for failure, avoid
1556 NULL dereference. Report and patch from Alun Jones.
1557
5bfb4cdf
PP
1558PP/19 DNS resolver init changes for NetBSD compatibility. (Risk of breakage
1559 on less well tested platforms). Obviates NetBSD pkgsrc patch-ac.
1560 Not seeing resolver debug output on NetBSD, but suspect this is a
1561 resolver implementation change.
1562
c6e95d22
PP
1563PP/20 Revert part of NM/04, it broke log_path containing %D expansions.
1564 Left warnings. Added "eximon gdb" invocation mode.
1565
9cbad13b
PP
1566PP/21 Defaulting "accept_8bitmime" to true, not false.
1567
9ee44efb
PP
1568PP/22 Added -bw for inetd wait mode support.
1569
6a6084f8
PP
1570PP/23 Added PCRE_CONFIG=yes support to Makefile for using pcre-config to
1571 locate the relevant includes and libraries. Made this the default.
1572
12dd53c7
PP
1573PP/24 Fixed headers_only on smtp transports (was not sending trailing dot).
1574 Bugzilla 1246, report and most of solution from Tomasz Kusy.
1575
9e45c72b 1576JH/03 ${eval } now uses 64-bit and supports a "g" suffix (like to "k" and "m").
97d17305
JH
1577 This may cause build issues on older platforms.
1578
17c76198
PP
1579PP/25 Revamped GnuTLS support, passing tls_require_ciphers to
1580 gnutls_priority_init, ignoring Exim options gnutls_require_kx,
1581 gnutls_require_mac & gnutls_require_protocols (no longer supported).
1582 Added SNI support via GnuTLS too.
af3498d6 1583 Made ${randint:..} supplier available, if using not-too-old GnuTLS.
17c76198 1584
53947857 1585PP/26 Added EXPERIMENTAL_OCSP for OpenSSL.
3f7eeb86 1586
eae0036b 1587PP/27 Applied dnsdb SPF support patch from Janne Snabb.
8ee4b30e
PP
1588 Applied second patch from Janne, implementing suggestion to default
1589 multiple-strings-in-record handling to match SPF spec.
eae0036b 1590
9e45c72b 1591JH/04 Added expansion variable $tod_epoch_l for a higher-precision time.
2605c55b 1592
7390e768
PP
1593PP/28 Fix DCC dcc_header content corruption (stack memory referenced,
1594 read-only, out of scope).
1595 Patch from Wolfgang Breyha, report from Stuart Northfield.
1596
08488c86
PP
1597PP/29 Fix three issues highlighted by clang analyser static analysis.
1598 Only crash-plausible issue would require the Cambridge-specific
1599 iplookup router and a misconfiguration.
1600 Report from Marcin Mirosław.
1601
6475bd82
PP
1602PP/30 Another attempt to deal with PCRE_PRERELEASE, this one less buggy.
1603
81f91683
PP
1604PP/31 %D in printf continues to cause issues (-Wformat=security), so for
1605 now guard some of the printf checks behind WANT_DEEPER_PRINTF_CHECKS.
1606 As part of this, removing so much warning spew let me fix some minor
1607 real issues in debug logging.
1608
5779e6aa
PP
1609PP/32 GnuTLS was always using default tls_require_ciphers, due to a missing
1610 assignment on my part. Fixed.
1611
3375e053
PP
1612PP/33 Added tls_dh_max_bits option, defaulting to current hard-coded limit
1613 of NSS, for GnuTLS/NSS interop. Problem root cause diagnosis by
1614 Janne Snabb (who went above and beyond: thank you).
1615
1616PP/34 Validate tls_require_ciphers on startup, since debugging an invalid
1617 string otherwise requires a connection and a bunch more work and it's
78e0c7a3
PP
1618 relatively easy to get wrong. Should also expose TLS library linkage
1619 problems.
3375e053 1620
9d26b8c0
PP
1621PP/35 Pull in <features.h> on Linux, for some portability edge-cases of
1622 64-bit ${eval} (JH/03).
1623
57eb9e91 1624PP/36 Define _GNU_SOURCE in exim.h; it's needed for some releases of
b87a6e0e
PP
1625 GNU libc to support some of the 64-bit stuff, should not lead to
1626 conflicts. Defined before os.h is pulled in, so if a given platform
1627 needs to override this, it can.
1628
16880d1a
PP
1629PP/37 Unbreak Cyrus SASL auth: SSF retrieval was incorrect, Exim thought
1630 protection layer was required, which is not implemented.
1631 Bugzilla 1254, patch from Wolfgang Breyha.
1632
a799883d
PP
1633PP/38 Overhaul DH prime handling, supply RFC-specified DH primes as built
1634 into Exim, default to IKE id 23 from RFC 5114 (2048 bit). Make
1635 tls_dhparam take prime identifiers. Also unbreak combination of
1636 OpenSSL+DH_params+TLSSNI.
1637
3ecab157 1638PP/39 Disable SSLv2 by default in OpenSSL support.
f0f5a555 1639
0599f9cf 1640
867fcbf5
PP
1641Exim version 4.77
1642-----------------
1643
1644PP/01 Solaris build fix for Oracle's LDAP libraries.
1645 Bugzilla 1109, patch from Stephen Usher.
1646
f1a29782
TF
1647TF/01 HP/UX build fix: avoid arithmetic on a void pointer.
1648
ab42bd23
TK
1649TK/01 DKIM Verification: Fix relaxed canon for empty headers w/o
1650 whitespace trailer
867fcbf5 1651
0ca0cf52
TF
1652TF/02 Fix a couple more cases where we did not log the error message
1653 when unlink() failed. See also change 4.74-TF/03.
1654
921b12ca
TF
1655TF/03 Make the exiwhat support code safe for signals. Previously Exim might
1656 lock up or crash if it happened to be inside a call to libc when it
1657 got a SIGUSR1 from exiwhat.
1658
1659 The SIGUSR1 handler appends the current process status to the process
1660 log which is later printed by exiwhat. It used to use the general
1661 purpose logging code to do this, but several functions it calls are
1662 not safe for signals.
1663
1664 The new output code in the SIGUSR1 handler is specific to the process
1665 log, and simple enough that it's easy to inspect for signal safety.
1666 Removing some special cases also simplifies the general logging code.
1667 Removing the spurious timestamps from the process log simplifies
1668 exiwhat.
1669
c99ce5c9
TF
1670TF/04 Improved ratelimit ACL condition.
1671
1672 The /noupdate option has been deprecated in favour of /readonly which
1673 has clearer semantics. The /leaky, /strict, and /readonly update modes
1674 are mutually exclusive. The update mode is no longer included in the
1675 database key; it just determines when the database is updated. (This
4c04137d 1676 means that when you upgrade Exim will forget old rate measurements.)
c99ce5c9
TF
1677
1678 Exim now checks that the per_* options are used with an update mode that
1679 makes sense for the current ACL. For example, when Exim is processing a
1680 message (e.g. acl_smtp_rcpt or acl_smtp_data, etc.) you can specify
1681 per_mail/leaky or per_mail/strict; otherwise (e.g. in acl_smtp_helo) you
1682 must specify per_mail/readonly. If you omit the update mode it defaults to
1683 /leaky where that makes sense (as before) or /readonly where required.
1684
1685 The /noupdate option is now undocumented but still supported for
1686 backwards compatibility. It is equivalent to /readonly except that in
1687 ACLs where /readonly is required you may specify /leaky/noupdate or
1688 /strict/noupdate which are treated the same as /readonly.
1689
1690 A useful new feature is the /count= option. This is a generalization
1691 of the per_byte option, so that you can measure the throughput of other
1692 aggregate values. For example, the per_byte option is now equivalent
1693 to per_mail/count=${if >{0}{$message_size} {0} {$message_size} }.
1694
1695 The per_rcpt option has been generalized using the /count= mechanism
1696 (though it's more complicated than the per_byte equivalence). When it is
1697 used in acl_smtp_rcpt, the per_rcpt option adds recipients to the
1698 measured rate one at a time; if it is used later (e.g. in acl_smtp_data)
1699 or in a non-SMTP ACL it adds all the recipients in one go. (The latter
1700 /count=$recipients_count behaviour used to work only in non-SMTP ACLs.)
1701 Note that using per_rcpt with a non-readonly update mode in more than
1702 one ACL will cause the recipients to be double-counted. (The per_mail
1703 and per_byte options don't have this problem.)
1704
1705 The handling of very low rates has changed slightly. If the computed rate
1706 is less than the event's count (usually one) then this event is the first
1707 after a long gap. In this case the rate is set to the same as this event's
1708 count, so that the first message of a spam run is counted properly.
1709
1710 The major new feature is a mechanism for counting the rate of unique
1711 events. The new per_addr option counts the number of different
1712 recipients that someone has sent messages to in the last time period. It
1713 behaves like per_rcpt if all the recipient addresses are different, but
1714 duplicate recipient addresses do not increase the measured rate. Like
1715 the /count= option this is a general mechanism, so the per_addr option
1716 is equivalent to per_rcpt/unique=$local_part@$domain. You can, for
1717 example, measure the rate that a client uses different sender addresses
1718 with the options per_mail/unique=$sender_address. There are further
1719 details in the main documentation.
1720
3634fc25
TF
1721TF/05 Removed obsolete $Cambridge$ CVS revision strings.
1722
792e8a19
TF
1723TF/06 Removed a few PCRE remnants.
1724
5901f0ab
TF
1725TF/07 Automatically extract Exim's version number from tags in the git
1726 repository when doing development or release builds.
1727
7f2a2a43
PP
1728PP/02 Raise smtp_cmd_buffer_size to 16kB.
1729 Bugzilla 879. Patch from Paul Fisher.
e2ca7082 1730
061b7ebd
PP
1731PP/03 Implement SSL-on-connect outbound with protocol=smtps on smtp transport.
1732 Heavily based on revision 40f9a89a from Simon Arlott's tree.
1733 Bugzilla 97.
1734
e12f8c32
PP
1735PP/04 Use .dylib instead of .so for dynamic library loading on MacOS.
1736
9e949f00 1737PP/05 Variable $av_failed, true if the AV scanner deferred.
7f2a2a43
PP
1738 Bugzilla 1078. Patch from John Horne.
1739
1740PP/06 Stop make process more reliably on build failure.
1741 Bugzilla 1087. Patch from Heiko Schlittermann.
9e949f00 1742
555ae6af 1743PP/07 Make maildir_use_size_file an _expandable_ boolean.
ac53fcda
PP
1744 Bugzilla 1089. Patch from Heiko Schlittermann.
1745
1746PP/08 Handle ${run} returning more data than OS pipe buffer size.
1747 Bugzilla 1131. Patch from Holger Weiß.
555ae6af 1748
6f7fe114
PP
1749PP/09 Handle IPv6 addresses with SPF.
1750 Bugzilla 860. Patch from Wolfgang Breyha.
1751
c566dd90
PP
1752PP/10 GnuTLS: support TLS 1.2 & 1.1.
1753 Bugzilla 1156.
89f897c3
PP
1754 Use gnutls_certificate_verify_peers2() [patch from Andreas Metzler].
1755 Bugzilla 1095.
c566dd90 1756
d6cc7c78 1757PP/11 match_* no longer expand right-hand-side by default.
39257585
PP
1758 New compile-time build option, EXPAND_LISTMATCH_RHS.
1759 New expansion conditions, "inlist", "inlisti".
1760
0d0e4455
PP
1761PP/12 fix uninitialised greeting string from PP/03 (smtps client support).
1762
3399bb60 1763PP/13 shell and compiler warnings fixes for RC1-RC4 changes.
d690cbdc
PP
1764
1765PP/14 fix log_write() format string regression from TF/03.
1766 Bugzilla 1152. Patch from Dmitry Isaikin.
1767
0ca0cf52 1768
10906672
PP
1769Exim version 4.76
1770-----------------
1771
1772PP/01 The new ldap_require_cert option would segfault if used. Fixed.
1773
754a0503
PP
1774PP/02 Harmonised TLS library version reporting; only show if debugging.
1775 Layout now matches that introduced for other libraries in 4.74 PP/03.
1776
c0c7b2da
PP
1777PP/03 New openssl_options items: no_sslv2 no_sslv3 no_ticket no_tlsv1
1778
e97d1f08
PP
1779PP/04 New "dns_use_edns0" global option.
1780
084c1d8c
PP
1781PP/05 Don't segfault on misconfiguration of ref:name exim-user as uid.
1782 Bugzilla 1098.
1783
4e7ee012
PP
1784PP/06 Extra paranoia around buffer usage at the STARTTLS transition.
1785 nb: Exim is not vulnerable to http://www.kb.cert.org/vuls/id/555316
da80c2a8 1786
c8d52a00
PP
1787TK/01 Updated PolarSSL code to 0.14.2.
1788 Bugzilla 1097. Patch from Andreas Metzler.
1789
54e7ce4a
PP
1790PP/07 Catch divide-by-zero in ${eval:...}.
1791 Fixes bugzilla 1102.
1792
5ee6f336
PP
1793PP/08 Condition negation of bool{}/bool_lax{} did not negate. Fixed.
1794 Bugzilla 1104.
1795
c8d52a00 1796TK/02 Bugzilla 1106: CVE-2011-1764 - DKIM log line was subject to a
6ea4a851
PP
1797 format-string attack -- SECURITY: remote arbitrary code execution.
1798
1799TK/03 SECURITY - DKIM signature header parsing was double-expanded, second
1800 time unintentionally subject to list matching rules, letting the header
1801 cause arbitrary Exim lookups (of items which can occur in lists, *not*
1802 arbitrary string expansion). This allowed for information disclosure.
1803
1804PP/09 Fix another SIGFPE (x86) in ${eval:...} expansion, this time related to
1805 INT_MIN/-1 -- value coerced to INT_MAX.
c8d52a00 1806
10906672 1807
aa097c4c
NM
1808Exim version 4.75
1809-----------------
1810
4c04137d 1811NM/01 Workaround for PCRE version dependency in version reporting
aa097c4c
NM
1812 Bugzilla 1073
1813
7f3d9eff
TF
1814TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
1815 This fixes portability to compilers other than gcc, notably
1816 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
1817
159f52d2
TF
1818TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
1819 makefiles for portability to HP-UX and POSIX correctness.
1820
0cc9542a
PP
1821PP/01 Permit LOOKUP_foo enabling on the make command-line.
1822 Also via indented variable definition in the Makefile.
1823 (Debugging by Oliver Heesakkers).
1824
f7274286
PP
1825PP/02 Restore caching of spamd results with expanded spamd_address.
1826 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
1827
7b797365
PP
1828PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
1829 Improves build reliability. Fix from: Frank Elsner
1830
caacae52
NM
1831NM/02 Fix wide character breakage in the rfc2047 coding
1832 Fixes bug 1064. Patch from Andrey N. Oktyabrski
1833
09dcaba9
NM
1834NM/03 Allow underscore in dnslist lookups
1835 Fixes bug 1026. Patch from Graeme Fowler
1836
bc19a55b
PP
1837PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
1838 Code patches from Adam Ciarcinski of NetBSD.
caacae52 1839
bd4c9759
NM
1840NM/04 Fixed exiqgrep to cope with mailq missing size issue
1841 Fixes bug 943.
1842
b72aab72
PP
1843PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
1844 is logged, to avoid truncation. Patch from John Horne.
1845
2fe76745
PP
1846PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
1847 Patch from Jakob Hirsch.
1848
76aa570c
PP
1849PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
1850 SQL string expansion failure details.
1851 Patch from Andrey Oktyabrski.
1852
f1e5fef5
PP
1853PP/08 Bugzilla 486: implement %M datestamping in log filenames.
1854 Patch from Simon Arlott.
1855
4d805ee9
PP
1856PP/09 New lookups functionality failed to compile on old gcc which rejects
1857 extern declarations in function scope.
1858 Patch from Oliver Fleischmann
1859
cd59ab18
PP
1860PP/10 Use sig_atomic_t for flags set from signal handlers.
1861 Check getgroups() return and improve debugging.
1862 Fixed developed for diagnosis in bug 927 (which turned out to be
1863 a kernel bug).
1864
332f5cf3
PP
1865PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
1866 Patch from Mark Zealey.
1867
29cfeb94
PP
1868PP/12 Bugzilla 1056: Improved spamd server selection.
1869 Patch from Mark Zealey.
1870
660242ad
PP
1871PP/13 Bugzilla 1086: Deal with maildir quota file races.
1872 Based on patch from Heiko Schlittermann.
1873
bc4bc4c5
PP
1874PP/14 Bugzilla 1019: DKIM multiple signature generation fix.
1875 Patch from Uwe Doering, sign-off by Michael Haardt.
1876
2e64baa9
NM
1877NM/05 Fix to spam.c to accommodate older gcc versions which dislike
1878 variable declaration deep within a block. Bug and patch from
1879 Dennis Davis.
1880
4c04137d 1881PP/15 lookups-Makefile IRIX compatibility coercion.
bddd7526 1882
6bac1a9a
PP
1883PP/16 Make DISABLE_DKIM build knob functional.
1884
552193f0
NM
1885NM/06 Bugzilla 968: child_open_uid: restore default SIGPIPE handler
1886 Patch by Simon Arlott
baeee2c1 1887
1b587e48
TF
1888TF/03 Fix valgrind.h portability to C89 compilers that do not support
1889 variable argument macros. Our copy now differs from upstream.
1890
aa097c4c 1891
8c07b69f
TF
1892Exim version 4.74
1893-----------------
1894
1895TF/01 Failure to get a lock on a hints database can have serious
1896 consequences so log it to the panic log.
1897
c0ea85ab
TF
1898TF/02 Log LMTP confirmation messages in the same way as SMTP,
1899 controlled using the smtp_confirmation log selector.
1900
0761d44e
TF
1901TF/03 Include the error message when we fail to unlink a spool file.
1902
0a349494
PP
1903DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
1904 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
1905 for maintaining out-of-tree patches for some time.
1906
1907PP/01 Bugzilla 139: Documentation and portability issues.
1908 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
1909 Handle per-OS dynamic-module compilation flags.
1910
fea24b2e
PP
1911PP/02 Let /dev/null have normal permissions.
1912 The 4.73 fixes were a little too stringent and complained about the
1913 permissions on /dev/null. Exempt it from some checks.
1914 Reported by Andreas M. Kirchwitz.
1915
6545de78
PP
1916PP/03 Report version information for many libraries, including
1917 Exim version information for dynamically loaded libraries. Created
1918 version.h, now support a version extension string for distributors
1919 who patch heavily. Dynamic module ABI change.
1920
1670ef10
PP
1921PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
1922 privilege escalation vulnerability whereby the Exim run-time user
1923 can cause root to append content of the attacker's choosing to
1924 arbitrary files.
1925
c0886197
PP
1926PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
1927 (Wolfgang Breyha)
1928
b7487bce
PP
1929PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
1930 If dropping privileges for untrusted macros, we disabled normal logging
1931 on the basis that it would fail; for the Exim run-time user, this is not
1932 the case, and it resulted in successful deliveries going unlogged.
1933 Fixed. Reported by Andreas Metzler.
1934
8c07b69f 1935
97fd1e48 1936Exim version 4.73
ed7f7860 1937-----------------
97fd1e48
PP
1938
1939PP/01 Date: & Message-Id: revert to normally being appended to a message,
1940 only prepend for the Resent-* case. Fixes regression introduced in
1941 Exim 4.70 by NM/22 for Bugzilla 607.
1942
6901c596
PP
1943PP/02 Include check_rfc2047_length in configure.default because we're seeing
1944 increasing numbers of administrators be bitten by this.
1945
a8c8d6b5
JJ
1946JJ/01 Added DISABLE_DKIM and comment to src/EDITME
1947
77bb000f
PP
1948PP/03 Bugzilla 994: added openssl_options main configuration option.
1949
a29e5231
PP
1950PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
1951
ec5a0394 1952PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 1953
55c75993
PP
1954PP/06 Adjust NTLM authentication to handle SASL Initial Response.
1955
453a6645 1956PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
1957 without a peer certificate, leading to a segfault because of an
1958 assumption that peers always have certificates. Be a little more
453a6645
PP
1959 paranoid. Problem reported by Martin Tscholak.
1960
8544e77a
PP
1961PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
1962 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
1963 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
1964 CL also introduces -bmalware, various -d+acl logging additions and
1965 more caution in buffer sizes.
8544e77a 1966
83e029d5
PP
1967PP/09 Implemented reverse_ip expansion operator.
1968
ed7f7860
PP
1969PP/10 Bugzilla 937: provide a "debug" ACL control.
1970
7d9f747b
PP
1971PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
1972
4b2241d2
PP
1973PP/12 Bugzilla 973: Implement --version.
1974
10385c15
PP
1975PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
1976
dbc4b90d
PP
1977PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
1978
532be449
PP
1979PP/15 Bugzilla 816: support multiple condition rules on Routers.
1980
6a8de854 1981PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
1982 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
1983 ignore trailing whitespace.
6a8de854 1984
5dc43717
JJ
1985JJ/02 prevent non-panic DKIM error from being sent to paniclog
1986
1987JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
1988 "exim" to be used
55c75993 1989
3346ab01
PP
1990PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
1991 Notification from Dr Andrew Aitchison.
1992
491fab4c
PP
1993PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
1994 ExtendedDetectionInfo response format.
1995 Notification from John Horne.
1996
13eb9497
PP
1997PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
1998 compatible.
1999
2000PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
2001 XSL and documented dependency on system catalogs, with examples of how
2002 it normally works.
2003
7f36d675
DW
2004DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
2005 access.
2006
c1d94452
DW
2007DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
2008 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
2009 configuration file which is writeable by the Exim user or group.
2010
e2f5dc15
DW
2011DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
2012 of configuration files to cover files specified with the -C option if
2013 they are going to be used with root privileges, not just the default
2014 configuration file.
2015
cd25e41d
DW
2016DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
2017 option (effectively making it always true).
2018
261dc43e
DW
2019DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
2020 files to be used while preserving root privileges.
2021
fa32850b
DW
2022DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
2023 that rogue child processes cannot use them.
2024
79d4bc3d
PP
2025PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
2026 run-time user, instead of root.
2027
43236f35 2028PP/28 Add WHITELIST_D_MACROS option to let some macros be overridden by the
2cfd3221
PP
2029 Exim run-time user without dropping privileges.
2030
fb08281f
DW
2031DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
2032 result string, instead of calling string_vformat() twice with the same
2033 arguments.
3346ab01 2034
74935b98
DW
2035DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
2036 for other users. Others should always drop root privileges if they use
2037 -C on the command line, even for a whitelisted configure file.
2038
90b6341f
DW
2039DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
2040
57730b52
ML
2041NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
2042
66581d1e 2043
465e92cf
JJ
2044Exim version 4.72
2045-----------------
2046
453a6645
PP
2047JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
2048 $data_path, and $header_path variables; fixed documentation bugs and
2049 typos
465e92cf 2050
453a6645
PP
2051JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
2052 exipick to access non-standard spools, including the "frozen" queue
2053 (Finput)
edae0343 2054
9bd3e22c
NM
2055NM/01 Bugzilla 965: Support mysql stored procedures.
2056 Patch from Alain Williams
2057
bb576ff7
NM
2058NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
2059
5a1a5845
NM
2060NM/03 Bugzilla 955: Documentation fix for max_rcpts.
2061 Patch from Andreas Metzler
2062
981a9fad
NM
2063NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
2064 Patch from Kirill Miazine
2065
7fc497ee
NM
2066NM/05 Bugzilla 671: Added umask to procmail example.
2067
1a41defa
JJ
2068JJ/03 installed exipick 20100323.0, fixing doc bug
2069
a466095c 2070NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 2071 directory. Notification and patch from Dan Rosenberg.
a466095c 2072
94a6bd0b
NM
2073TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
2074
2075TK/02 Improve log output when DKIM signing operation fails.
2076
2077MH/01 Treat the transport option dkim_domain as a colon separated
2078 list, not as a single string, and sign the message with each element,
2079 omitting multiple occurences of the same signer.
2080
c1b141a8
NM
2081NM/07 Null terminate DKIM strings, Null initialise DKIM variable
2082 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 2083
b26eacf1 2084NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
2085 Patch by Simon Arlott
2086
179c5980 2087PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 2088 MBX locking. Notification from Dan Rosenberg.
179c5980 2089
9bd3e22c 2090
7c6d71af
NM
2091Exim version 4.71
2092-----------------
2093
7d9f747b 2094TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 2095
f013fb92
NM
2096NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
2097
0eb8eedd
NM
2098NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
2099
663ee6d9
NM
2100NM/03 Bugzilla 847: Enable DNSDB lookup by default.
2101
177ebd9b
NM
2102NM/04 Bugzilla 915: Flag broken perl installation during build.
2103
7c6d71af 2104
210f147e
NM
2105Exim version 4.70
2106-----------------
2107
cdd3bb85 2108TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 2109 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
2110
2111TK/02 Write list of recipients to X-Envelope-Sender header when building
2112 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 2113 Hirsch).
cdd3bb85
TK
2114
2115TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
2116 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 2117 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
2118
2119TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
2120 by Mark Daniel Reidel <mr@df.eu>.
2121
210f147e
NM
2122NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
2123 When building exim an external PCRE library is now needed -
2124 PCRE is a system library on the majority of modern systems.
2125 See entry on PCRE_LIBS in EDITME file.
2126
deafd5b3
NM
2127NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
2128 conversation. Added nologin parameter to request.
7d9f747b 2129 Patch contributed by Kirill Miazine.
deafd5b3 2130
089793a4
TF
2131TF/01 Do not log submission mode rewrites if they do not change the address.
2132
5f16ca82
TF
2133TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
2134
dae9d94e 2135NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 2136 log files in place. Contributed by Roberto Lima.
dae9d94e 2137
7d9f747b 2138NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 2139
06864c44
TF
2140TF/03 Bugzilla 615: When checking the local_parts router precondition
2141 after a local_part_suffix or local_part_prefix option, Exim now
2142 does not use the address's named list lookup cache, since this
2143 contains cached lookups for the whole local part.
2144
65a7d8c3 2145NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 2146 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 2147
23510047 2148TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 2149
7d9f747b 2150NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 2151
7d8eec3a 2152NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 2153 Patch provided by Jan Srzednicki.
6c588e74 2154
89dec7b6
TF
2155TF/05 Leading white space used to be stripped from $spam_report which
2156 wrecked the formatting. Now it is preserved.
5f28a6e8 2157
a99de90c
TF
2158TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
2159 that they are available at delivery time.
2160
e2803e40
TF
2161TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
2162
7199e1ee
TF
2163TF/08 TLS error reporting now respects the incoming_interface and
2164 incoming_port log selectors.
2165
e276e04b
TF
2166TF/09 Produce a more useful error message if an SMTP transport's hosts
2167 setting expands to an empty string.
2168
ce552449 2169NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 2170 Patch provided by Phil Pennock.
ce552449 2171
e765a0f1 2172NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 2173 Patch provided by Richard Godbee.
e765a0f1 2174
4f054c63 2175NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 2176 acl_smtp_notquit, added index entry.
4f054c63 2177
7d9f747b
PP
2178NM/09 Bugzilla 787: Potential buffer overflow in string_format.
2179 Patch provided by Eugene Bujak.
24c929a2 2180
7d9f747b
PP
2181NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
2182 accept(). Patch provided by Maxim Dounin.
cf73943b 2183
b52bc06e 2184NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 2185 Patch provided by Phil Pennock.
b52bc06e 2186
447de4b0
NM
2187NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
2188
4c69d561 2189NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 2190 Patch provided by Brad "anomie" Jorsch.
4c69d561 2191
d5c39246 2192NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 2193 Patch provided by Dean Brooks.
9b989985 2194
0b23848a
TK
2195TK/05 Add native DKIM support (does not depend on external libraries).
2196
8f3414a1 2197NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 2198 Patch provided by Graeme Fowler.
e2aacdfd 2199
fb6f955d
NM
2200NM/16 Bugzilla 851: Documentation example syntax fix.
2201
2202NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 2203
7d9f747b
PP
2204NM/18 Bugzilla 894: Fix issue with very long lines including comments in
2205 lsearch.
dbb0bf41 2206
7d9f747b
PP
2207NM/19 Bugzilla 745: TLS version reporting.
2208 Patch provided by Phil Pennock.
f3766eb5 2209
7d9f747b
PP
2210NM/20 Bugzilla 167: bool: condition support.
2211 Patch provided by Phil Pennock.
36f12725 2212
7d9f747b
PP
2213NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
2214 clients. Patch provided by Phil Pennock.
e6060e2c 2215
7d9f747b
PP
2216NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
2217 Patch provided by Brad "anomie" Jorsch.
5eb690a1 2218
7d9f747b
PP
2219NM/23 Bugzilla 687: Fix misparses in eximstats.
2220 Patch provided by Heiko Schlittermann.
d5c13d66 2221
7d9f747b
PP
2222NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
2223 Patch provided by Heiko Schlittermann.
b2335c0b 2224
7d9f747b 2225NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 2226 plus update to original patch.
f4cd9433 2227
7d9f747b 2228NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 2229
7d9f747b
PP
2230NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
2231 Patch provided by David Brownlee.
8dc71ab3 2232
7d9f747b 2233NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 2234
7d9f747b 2235NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 2236
7d9f747b 2237NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 2238
7d9f747b 2239NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 2240
17792b53 2241NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 2242 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 2243
7d9f747b
PP
2244NM/33 Bugzilla 898: Transport filter timeout fix.
2245 Patch by Todd Rinaldo.
52383f8f 2246
91576cec 2247NM/34 Bugzilla 901: Fix sign/unsigned and UTF mismatches.
7d9f747b 2248 Patch by Serge Demonchaux.
5ca6d115 2249
7d9f747b
PP
2250NM/35 Bugzilla 39: Base64 decode bug fixes.
2251 Patch by Jakob Hirsch.
baee9eee 2252
7d9f747b 2253NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 2254
7d9f747b 2255NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 2256
7d9f747b 2257NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 2258
7d9f747b 2259NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 2260
deafd5b3 2261
47db1125
NM
2262Exim version 4.69
2263-----------------
2264
4b3504d0
TK
2265TK/01 Add preliminary DKIM support. Currently requires a forked version of
2266 ALT-N's libdkim that I have put here:
2267 http://duncanthrax.net/exim-experimental/
2268
2269 Note to Michael Haardt: I had to rename some vars in sieve.c. They
2270 were called 'true' and it seems that C99 defines that as a reserved
2271 keyword to be used with 'bool' variable types. That means you could
2272 not include C99-style headers which use bools without triggering
2273 build errors in sieve.c.
2274
81ea09ca
NM
2275NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
2276 as mailq or other aliases. Changed the --help handling significantly
2277 to do whats expected. exim_usage() emits usage/help information.
2278
f13cddcb
SC
2279SC/01 Added the -bylocaldomain option to eximstats.
2280
7d9f747b 2281NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 2282
7d9f747b 2283NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 2284
7d9f747b 2285NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
2286
2287
eb4c0de6
PH
2288Exim version 4.68
2289-----------------
2290
2291PH/01 Another patch from the Sieve maintainer.
2292
6a3bceb1
PH
2293PH/02 When an IPv6 address is converted to a string for single-key lookup
2294 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
2295 dots are used instead of colons so that keys in lsearch files need not
2296 contain colons. This was done some time before quoting was made available
2297 in lsearch files. However, iplsearch files do require colons in IPv6 keys
2298 (notated using the quote facility) so as to distinguish them from IPv4
2299 keys. This meant that lookups for IP addresses in host lists did not work
2300 for iplsearch lookups.
2301
2302 This has been fixed by arranging for IPv6 addresses to be expressed with
2303 colons if the lookup type is iplsearch. This is not incompatible, because
2304 previously such lookups could never work.
2305
4c04137d 2306 The situation is now rather anomalous, since one *can* have colons in
6a3bceb1
PH
2307 ordinary lsearch keys. However, making the change in all cases is
2308 incompatible and would probably break a number of configurations.
2309
2e30fa9d
TK
2310TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
2311 version.
2312
0806a9c5
MH
2313MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
2314 conversion specification without a maximum field width, thereby enabling
2315 a rogue spamd server to cause a buffer overflow. While nobody in their
2316 right mind would setup Exim to query an untrusted spamd server, an
2317 attacker that gains access to a server running spamd could potentially
2318 exploit this vulnerability to run arbitrary code as the Exim user.
2319
ae276964
TK
2320TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
2321 $primary_hostname instead of what libspf2 thinks the hosts name is.
2322
0f2cbd1b
MH
2323MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
2324 a directory entry by the name of the lookup key. Previously, if a
2325 symlink pointed to a non-existing file or a file in a directory that
2326 Exim lacked permissions to read, a lookup for a key matching that
2327 symlink would fail. Now it is enough that a matching directory entry
2328 exists, symlink or not. (Bugzilla 503.)
2329
2b85bce7
PH
2330PH/03 The body_linecount and body_zerocount variables are now exported in the
2331 local_scan API.
2332
93655c46
PH
2333PH/04 Added the $dnslist_matched variable.
2334
6c512171
PH
2335PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
2336 This means they are set thereafter only if the connection becomes
2337 encrypted.
2338
2339PH/06 Added the client_condition to authenticators so that some can be skipped
2340 by clients under certain conditions.
2341
aa6dc513
PH
2342PH/07 The error message for a badly-placed control=no_multiline_responses left
2343 "_responses" off the end of the name.
2344
a96603a0
PH
2345PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
2346
8f240103
PH
2347PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
2348 (without spaces) instead of just copying the configuration text.
2349
2350PH/10 Added the /noupdate option to the ratelimit ACL condition.
2351
d677b2f2
PH
2352PH/11 Added $max_received_linelength.
2353
d52120f2
PH
2354PH/12 Added +ignore_defer and +include_defer to host lists.
2355
64f2600a
PH
2356PH/13 Installed PCRE version 7.2. This needed some changes because of the new
2357 way in which PCRE > 7.0 is built.
2358
8669f003
PH
2359PH/14 Implemented queue_only_load_latch.
2360
a4dc33a8
PH
2361PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
2362 MAIL command. The effect was to mangle the value on 64-bit systems.
2363
d6a60c0f
PH
2364PH/16 Another patch from the Sieve maintainer.
2365
8f128379
PH
2366PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
2367
8932dffe
PH
2368PH/18 If a system quota error occurred while trying to create the file for
2369 a maildir delivery, the message "Mailbox is full" was not appended to the
2370 bounce if the delivery eventually timed out. Change 4.67/27 below applied
2371 only to a quota excession during the actual writing of the file.
d6a60c0f 2372
ddea74fa 2373PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
2374 characters?) which causes problems in log lines. The DN values are now
2375 passed through string_printing() before being added to log lines.
2376
ddea74fa 2377PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
2378 and InterBase are left for another time.)
2379
ddea74fa
PH
2380PH/21 Added message_body_newlines option.
2381
ce9f225c
PH
2382PH/22 Guard against possible overflow in moan_check_errorcopy().
2383
19897d52
PH
2384PH/23 POSIX allows open() to be a macro; guard against that.
2385
bc64a74d
PH
2386PH/24 If the recipient of an error message contained an @ in the local part
2387 (suitably quoted, of course), incorrect values were put in $domain and
2388 $local_part during the evaluation of errors_copy.
2389
eb4c0de6 2390
b4ed4da0
PH
2391Exim version 4.67
2392-----------------
2393
22ad45c9
MH
2394MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
2395 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
2396 Jan Srzednicki.
2397
b4ed4da0
PH
2398PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
2399 issue a MAIL command.
2400
431b7361
PH
2401PH/02 In an ACL statement such as
2402
2403 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
2404
2405 if a client was not listed at all, or was listed with a value other than
2406 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
2407 the condition was not true (as it should be), so access was not denied.
2408 The bug was that the ! inversion was incorrectly passed on to the second
2409 item. This has been fixed.
2410
2411PH/03 Added additional dnslists conditions == and =& which are different from
2412 = and & when the dns lookup returns more than one IP address.
2413
83da1223
PH
2414PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
2415 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
2416
54fc8428
PH
2417PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
2418 FSYNC, which compiles an option called disable_fsync that allows for
2419 bypassing fsync(). The documentation is heavily laced with warnings.
2420
34c5e8dd
SC
2421SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
2422
bbe15da8
PH
2423PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
2424 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
2425 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
2426 including adding "make clean"; (3) Added -fPIC when compiling the test
2427 dynamically loaded module, to get rid of a warning.
2428
0e8a9471
MH
2429MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
2430 message fails, move_frozen_messages = true and ignore_bounce_errors_after
2431 = 0s. The bug is otherwise harmless.
2432
f0872424
PH
2433PH/07 There was a bug in the dovecot authenticator such that the value of
2434 $auth1 could be overwritten, and so not correctly preserved, after a
2435 successful authentication. This usually meant that the value preserved by
2436 the server_setid option was incorrect.
2437
b01dd148
PH
2438PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
2439
6bf342e1
PH
2440PH/09 Installed PCRE release 7.0.
2441
273f34d0
PH
2442PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
2443 run for batched SMTP input. It is now run at the start of every message
2444 in the batch. While fixing this I discovered that the process information
2445 (output by running exiwhat) was not always getting set for -bs and -bS
2446 input. This is fixed, and it now also says "batched" for BSMTP.
2447
cf8b11a5
PH
2448PH/11 Added control=no_pipelining.
2449
41c7c167
PH
2450PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
2451 patch, slightly modified), and move the expansion of helo_data till after
2452 the connection is made in the smtp transport (so it can use these
2453 values).
2454
9c57cbc0
PH
2455PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
2456
f3f065bb
PH
2457PH/14 Added log_selector = +pid.
2458
047bdd8c
PH
2459PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
2460
0ce9abe6
PH
2461PH/16 Add ${if forany and ${if forall.
2462
0e22dfd1
PH
2463PH/17 Added dsn_from option to vary the From: line in DSNs.
2464
4c590bd1
PH
2465PH/18 Flush SMTP output before performing a callout, unless control =
2466 no_callout_flush is set.
2467
09945f1e
PH
2468PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
2469 was true (the default) a successful delivery failed to delete the retry
2470 item, thus causing premature timeout of the address. The bug is now
2471 fixed.
2472
c51b8e75
PH
2473PH/20 Added hosts_avoid_pipelining to the smtp transport.
2474
e28326d8 2475PH/21 Long custom messages for fakedefer and fakereject are now split up
4c04137d 2476 into multiline responses in the same way that messages for "deny" and
e28326d8
PH
2477 other ACL rejections are.
2478
75b1493f
PH
2479PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
2480 with slight modification.
2481
7c5214ec
PH
2482PH/23 Applied sieve patches from the maintainer "tracking the latest notify
2483 draft, changing the syntax and factoring some duplicate code".
2484
4311097e
PH
2485PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
2486 for deliveries of the second and subsequent messages over the same SMTP
2487 connection.
2488
29f89cad
PH
2489PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
2490 ${reduce, with only minor "tidies".
2491
5e687460
SC
2492SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
2493
c3611384
PH
2494PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
2495 expansion side effects.
2496
5a11a7b4
PH
2497PH/27 When a message times out after an over-quota error from an Exim-imposed
2498 quota, the bounce message says "mailbox is full". This message was not
2499 being given when it was a system quota that was exceeded. It now should
2500 be the same.
2501
0e20aff9
MH
2502MH/03 Made $recipients available in local_scan(). local_scan() already has
2503 better access to the recipient list through recipients_list[], but
2504 $recipients can be useful in postmaster-provided expansion strings.
2505
ca86f471
PH
2506PH/28 The $smtp_command and $smtp_command_argument variables were not correct
2507 in the case of a MAIL command with additional options following the
2508 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
2509 were accidentally chopped off.
2510
a14e5636
PH
2511PH/29 SMTP synchronization checks are implemented when a command is read -
2512 there is a check that no more input is waiting when there shouldn't be
2513 any. However, for some commands, a delay in an ACL can mean that it is
2514 some time before the response is written. In this time, more input might
2515 arrive, invalidly. So now there are extra checks after an ACL has run for
2516 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
2517 pipelining has not been advertised.
2518
ec95d1a6
PH
2519PH/30 MH's patch to allow iscntrl() characters to be list separators.
2520
42855d71
PH
2521PH/31 Unlike :fail:, a custom message specified with :defer: was not being
2522 returned in the SMTP response when smtp_return_error_details was false.
2523 This has been fixed.
2524
57c2c631
PH
2525PH/32 Change the Dovecot authenticator to use read() and write() on the socket
2526 instead of the C I/O that was originally supplied, because problems were
2527 reported on Solaris.
2528
58c01c94
PH
2529PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
2530 Exim which did not show up earlier: it was assuming that a call to
2531 SSL_CTX_set_info_callback() might give an error value. In fact, there is
2532 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
2533 was a macro that became an assignment, so it seemed to work. This has
2534 changed to a proper function call with a void return, hence the compile
2535 error. Exim's code has been fixed.
2536
dee5a20a
PH
2537PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
2538 cpus.
2539
d2ee6114
PH
2540PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
2541
b2d5182b
PH
2542PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
2543
79749a79
PH
2544PH/37 If a message is not accepted after it has had an id assigned (e.g.
2545 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
2546 "Completed" line in the log. When some messages of this type were
2547 selected by exigrep, they were listed as "not completed". Others were
2548 picked up by some special patterns. I have improved the selection
2549 criteria to be more general.
79749a79 2550
c456d9bb
PH
2551PH/38 The host_find_failed option in the manualroute router can now be set
2552 to "ignore", to completely ignore a host whose IP address cannot be
2553 found. If all hosts are ignored, the behaviour is controlled by the new
2554 host_all_ignored option.
2555
cd9868ec
PH
2556PH/39 In a list of hosts for manualroute, if one item (either because of multi-
2557 homing or because of multiple MX records with /mx) generated more than
2558 one IP address, and the following item turned out to be the local host,
2559 all the secondary addresses of the first item were incorrectly removed
2560 from the list, along with the local host and any following hosts (which
2561 is what is supposed to happen).
2562
ebeaf996
PH
2563PH/40 When Exim receives a message, it writes the login name, uid, and gid of
2564 whoever called Exim into the -H file. In the case of the daemon it was
2565 behaving confusingly. When first started, it used values for whoever
2566 started the daemon, but after a SIGHUP it used the Exim user (because it
2567 calls itself on a restart). I have changed the code so that it now always
2568 uses the Exim user.
2569
2679d413
PH
2570PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
2571 message are rejected with the same error (e.g. no authentication or bad
2572 sender address), and a DATA command is nevertheless sent (as can happen
2573 with PIPELINING or a stupid MUA), the error message that was given to the
2574 RCPT commands is included in the rejection of the DATA command. This is
2575 intended to be helpful for MUAs that show only the final error to their
2576 users.
2577
84024b72
PH
2578PH/42 Another patch from the Sieve maintainer.
2579
8005d38e
SC
2580SC/02 Eximstats - Differentiate between permanent and temporary rejects.
2581 Eximstats - Fixed some broken HTML links and added missing column headers
2582 (Jez Hancock).
2583 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
2584 columns for Rejects, Temp Rejects, Ham, and Spam rows.
2585
3298c6c6
SC
2586SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
2587
a43a27c5
PH
2588PH/43 Yet another patch from the Sieve maintainer.
2589
58eb016e 2590PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
2591 the response to the final '.' that terminates a message, but only in the
2592 case where the client has not sent further data following the '.'
2593 (unfortunately, this is allowed). However, in many cases there won't be
2594 any further data because there won't be any more messages to send. A call
2595 to select() can be used: if it shows that the input is "ready", there is
2596 either input waiting, or the socket has been closed. An attempt to read
2597 the next input character can distinguish the two cases. Previously, Exim
58eb016e 2598 would have sent an OK response which the client would never have see.
563b63fa
PH
2599 This could lead to message repetition. This fix should cure that, at
2600 least in a lot of common cases.
58eb016e 2601
b43a74ea
PH
2602PH/45 Do not advertise STARTTLS in response to HELP unless it would be
2603 advertised in response to EHLO.
2604
b4ed4da0 2605
5dd1517f
PH
2606Exim version 4.66
2607-----------------
2608
2609PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
2610 fixed by 4.65/MH/01 (is this a record?) are fixed:
2611
2612 (i) An empty string was always treated as zero by the numeric comparison
2613 operators. This behaviour has been restored.
2614
2615 (ii) It is documented that the numeric comparison operators always treat
2616 their arguments as decimal numbers. This was broken in that numbers
2617 starting with 0 were being interpreted as octal.
2618
2619 While fixing these problems I realized that there was another issue that
2620 hadn't been noticed. Values of message_size_limit (both the global option
2621 and the transport option) were treated as octal if they started with 0.
2622 The documentation was vague. These values are now always treated as
2623 decimal, and I will make that clear in the documentation.
2624
2625
93cfa765
TK
2626Exim version 4.65
2627-----------------
2628
2629TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
2630 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
2631 versions. (#438)
2632
d6066548
MH
2633MH/01 Don't check that the operands of numeric comparison operators are
2634 integers when their expansion is in "skipping" mode (fixes bug
2635 introduced by 4.64-PH/07).
2636
4362ff0d
PH
2637PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
2638 child addresses, Exim now panics and dies. Previously, because the count
2639 is held in a short int, deliveries were likely to be lost. As such a
2640 large number of recipients for a single message is ridiculous
2641 (performance will be very, very poor), I have chosen to impose a limit
2642 rather than extend the field.
2643
93cfa765 2644
944e9e9c
TF
2645Exim version 4.64
2646-----------------
aa41d2de 2647
21d74bd9
TK
2648TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
2649 leftover -K file (the existence of which was triggered by #402).
2650 While we were at it, introduced process PID as part of the -K
2651 filename. This should rule out race conditions when creating
2652 these files.
2653
2654TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
2655 processing considerably. Previous code took too long for large mails,
2656 triggering a timeout which in turn triggers #401.
2657
2658TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
2659 in the DK code in transports.c. sendfile() is not really portable,
2660 hence the _LINUX specificness.
944e9e9c
TF
2661
2662TF/01 In the add_headers option to the mail command in an Exim filter,
2663 there was a bug that Exim would claim a syntax error in any
2664 header after the first one which had an odd number of characters
2665 in the field name.
2666
2b1c6e3a
PH
2667PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
2668 callout verification, Exim cached a "reject" for the entire domain. This
2669 is correct for most verifications, but it is not correct for a recipient
2670 verification with use_sender or use_postmaster set, because in that case
2671 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
2672 case of MAIL FROM:<> rejection from other early rejections (e.g.
2673 rejection of HELO). When verifying a recipient using a non-null MAIL
2674 address, the cache is ignored if it shows MAIL FROM:<> rejection.
2675 Whatever the result of the callout, the value of the domain cache is
2676 left unchanged (for any other kind of callout, getting as far as trying
2677 RCPT means that the domain itself is ok).
2678
1f872c80
PH
2679PH/02 Tidied a number of unused variable and signed/unsigned warnings that
2680 gcc 4.1.1 threw up.
2681
2682PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
2683 manifest itself as EPIPE rather than ECONNECT. When tidying away a
2684 session, the daemon ignores ECONNECT errors and logs others; it now
2685 ignores EPIPE as well.
2686
d203e649
PH
2687PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
2688 (quoted-printable decoding).
2689
cc2ed8f7 2690PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 2691 later the small subsequent patch to fix an introduced bug.
f951fd57 2692
ddfcd446
PH
2693PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
2694
d45b1de8
PH
2695PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
2696
2697PH/08 An error is now given if message_size_limit is specified negative.
2698
38a0a95f 2699PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 2700 to be given (somewhat) arbitrary names.
38a0a95f 2701
a2405d83
JJ
2702JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
2703 in 4.64-PH/09.
2704
2705JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
2706 miscellaneous code fixes
2707
6ea85e9a
PH
2708PH/10 Added the log_reject_target ACL modifier to specify where to log
2709 rejections.
2710
26da7e20
PH
2711PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
2712 hostname. This is wrong, because it relates to the incoming message (and
2713 probably the interface on which it is arriving) and not to the outgoing
2714 callout (which could be using a different interface). This has been
2715 changed to use the value of the helo_data option from the smtp transport
2716 instead - this is what is used when a message is actually being sent. If
2717 there is no remote transport (possible with a router that sets up host
2718 addresses), $smtp_active_hostname is used.
6ea85e9a 2719
14aa5a05 2720PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 2721 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
2722 (a) The code assumed that strncpy() returns a negative number on buffer
2723 overflow, which isn't the case. Replaced with Exim's string_format()
2724 function.
2725 (b) There were several signed/unsigned issues. I just did the minimum
2726 hacking in of casts. There is scope for a larger refactoring.
2727 (c) The code used strcasecmp() which is not a standard C function.
2728 Replaced with Exim's strcmpic() function.
2729 (d) The code set only $1; it now sets $auth1 as well.
2730 (e) A simple test gave the error "authentication client didn't specify
2731 service in request". It would seem that Dovecot has changed its
2732 interface. Fortunately there's a specification; I followed it and
2733 changed what the client sends and it appears to be working now.
2734
ff75a1f7
PH
2735PH/13 Added $message_headers_raw to provide the headers without RFC 2047
2736 decoding.
2737
e6f6568e
PH
2738PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
2739 address A is aliased to B and C, where B exists and C does not. Without
2740 -v the output is "A verified" because verification stops after a
2741 successful redirection if more than one address is generated. However,
2742 with -v the child addresses are also verified. Exim was outputting "A
2743 failed to verify" and then showing the successful verification for C,
2744 with its parentage. It now outputs "B failed to verify", showing B's
2745 parentage before showing the successful verification of C.
2746
d6f6e0dc
PH
2747PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
2748 look up a TXT record in a specific list after matching in a combined
2749 list.
2750
322050c2
PH
2751PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
2752 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
2753 they consult the DNS. I had assumed they would set it the way they
2754 wanted; and indeed my experiments on Linux seem to show that in some
2755 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
2756 To be on the safe side, however, I have now made the interface to
2757 host_find_byname() similar to host_find_bydns(), with an argument
2758 containing the DNS resolver options. The host_find_byname() function now
2759 sets these options at its start, just as host_find_bydns() does. The smtp
2760 transport options dns_qualify_single and dns_search_parents are passed to
2761 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
2762 of host_find_byname() use the default settings of RES_DEFNAMES
2763 (qualify_single) but not RES_DNSRCH (search_parents).
2764
08955dd3
PH
2765PH/17 Applied (a modified version of) Nico Erfurth's patch to make
2766 spool_read_header() do less string testing, by means of a preliminary
2767 switch on the second character of optional "-foo" lines. (This is
2768 overdue, caused by the large number of possibilities that now exist.
2769 Originally there were few.) While I was there, I also converted the
2770 str(n)cmp tests so they don't re-test the leading "-" and the first
2771 character, in the hope this might squeeze out yet more improvement.
2772
1eccaa59
PH
2773PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
2774 flag allowing group syntax was set by the header_syntax check but not
2775 turned off, possible causing trouble later; (2) The flag was not being
2776 set at all for the header_verify test, causing "group"-style headers to
2777 be rejected. I have now set it in this case, and also caused header_
2778 verify to ignore an empty address taken from a group. While doing this, I
2779 came across some other cases where the code for allowing group syntax
2780 while scanning a header line wasn't quite right (mostly, not resetting
2781 the flag correctly in the right place). These bugs could have caused
2782 trouble for malformed header lines. I hope it is now all correct.
2783
602e59e5
PH
2784PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
2785 with the "reply" argument non-NULL. The code, however (which originally
2786 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
2787 but it didn't always do it. This confused somebody who was copying the
2788 code for some other use. I have removed all the tests.
2789
411ef850
PH
2790PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
2791 feature that was used to support insecure browsers during the U.S. crypto
2792 embargo. It requires special client support, and Exim is probably the
2793 only MTA that supported it -- and would never use it because real RSA is
2794 always available. This code has been removed, because it had the bad
2795 effect of slowing Exim down by computing (never used) parameters for the
2796 RSA_EXPORT functionality.
2797
7befa435
PH
2798PH/21 On the advice of Timo Sirainen, added a check to the dovecot
2799 authenticator to fail if there's a tab character in the incoming data
2800 (there should never be unless someone is messing about, as it's supposed
2801 to be base64-encoded). Also added, on Timo's advice, the "secured" option
2802 if the connection is using TLS or if the remote IP is the same as the
2803 local IP, and the "valid-client-cert option" if a client certificate has
2804 been verified.
2805
48da4259 2806PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
2807 authenticators. This can be used for authorization after authentication
2808 succeeds. (In the case of plaintext, it servers for both authentication
2809 and authorization.)
2810
48da4259
PH
2811PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
2812 if any retry times were supplied.
2813
d1d5595c
PH
2814PH/24 Exim crashed if verify=helo was activated during an incoming -bs
2815 connection, where there is no client IP address to check. In this
2816 situation, the verify now always succeeds.
2817
0ef732d9
PH
2818PH/25 Applied John Jetmore's -Mset patch.
2819
328895cc
PH
2820PH/26 Added -bem to be like -Mset, but loading a message from a file.
2821
fd700877
PH
2822PH/27 In a string expansion for a processed (not raw) header when multiple
2823 headers of the same name were present, leading whitespace was being
2824 removed from all of them, but trailing whitespace was being removed only
2825 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
2826 before concatenation. Completely empty headers in a concatenation (as
2827 before) are ignored.
fd700877 2828
8dce1a6f
PH
2829PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
2830 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
2831
17af4a17
PH
2832PH/29 [Removed. This was a change that I later backed out, and forgot to
2833 correct the ChangeLog entry (that I had efficiently created) before
2834 committing the later change.]
f6c332bd
PH
2835
2836PH/30 Exim was sometimes attempting to deliver messages that had suffered
2837 address errors (4xx response to RCPT) over the same connection as other
2838 messages routed to the same hosts. Such deliveries are always "forced",
2839 so retry times are not inspected. This resulted in far too many retries
2840 for the affected addresses. The effect occurred only when there were more
2841 hosts than the hosts_max_try setting in the smtp transport when it had
2842 the 4xx errors. Those hosts that it had tried were not added to the list
2843 of hosts for which the message was waiting, so if all were tried, there
2844 was no problem. Two fixes have been applied:
2845
2846 (i) If there are any address or message errors in an SMTP delivery, none
2847 of the hosts (tried or untried) are now added to the list of hosts
2848 for which the message is waiting, so the message should not be a
2849 candidate for sending over the same connection that was used for a
2850 successful delivery of some other message. This seems entirely
2851 reasonable: after all the message is NOT "waiting for some host".
2852 This is so "obvious" that I'm not sure why it wasn't done
2853 previously. Hope I haven't missed anything, but it can't do any
2854 harm, as the worst effect is to miss an optimization.
2855
2856 (ii) If, despite (i), such a delivery is accidentally attempted, the
2857 routing retry time is respected, so at least it doesn't keep
2858 hammering the server.
2859
c1114884
PH
2860PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
2861 in ${readsocket because some servers need this prod.
2862
7a0743eb
PH
2863PH/32 Added some extra debug output when updating a wait-xxx database.
2864
0d85fa3f
PH
2865PH/33 The hint "could be header name not terminated by colon", which has been
2866 given for certain expansion errors for a long time, was not being given
2867 for the ${if def:h_colon_omitted{... case.
2868
1bf43b78
PH
2869PH/34 The spec says: "With one important exception, whenever a domain list is
2870 being scanned, $domain contains the subject domain." There was at least
2871 one case where this was not true.
2872
520de300
PH
2873PH/35 The error "getsockname() failed: connection reset by peer" was being
2874 written to the panic log as well as the main log, but it isn't really
2875 panic-worthy as it just means the connection died rather early on. I have
2876 removed the panic log writing for the ECONNRESET error when getsockname()
2877 fails.
2878
48c7f9e2
PH
2879PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
2880 runs only) independently of the message's sender address. This meant
2881 that, if the 4xx error was in fact related to the sender, a different
2882 message to the same recipient with a different sender could confuse
4c04137d 2883 things. In particular, this can happen when sending to a greylisting
48c7f9e2
PH
2884 server, but other circumstances could also provoke similar problems.
2885 I have changed the default so that the retry time for these errors is now
2886 based a combination of the sender and recipient addresses. This change
2887 can be overridden by setting address_retry_include_sender=false in the
2888 smtp transport.
2889
99ea1c86
PH
2890PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
2891 remote server are returned as part of bounce messages. This was not
2892 happening for LMTP over a pipe (the lmtp transport), but now it is the
2893 same for both kinds of LMTP.
2894
a2042e78
PH
2895PH/38 Despite being documented as not happening, Exim was rewriting addresses
2896 in header lines that were in fact CNAMEs. This is no longer the case.
2897
4fbcfc2e
PH
2898PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
2899 and queue runs started by the daemon processed all messages. This has
2900 been fixed so that -R and -S can now usefully be given with -q<time>.
2901
aa41d2de
PH
2902PH/40 Import PCRE release 6.7 (fixes some bugs).
2903
af561417
PH
2904PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
2905
3cc66b45
PH
2906PH/42 Give an error if -q is specified more than once.
2907
194cc0e4
PH
2908PH/43 Renamed the variables $interface_address and $interface_port as
2909 $received_ip_address and $received_port, to make it clear that these
2910 values apply to message reception, and not to the outgoing interface when
2911 a message is delivered. (The old names remain recognized, of course.)
2912
a401ddaa
PH
2913PH/44 There was no timeout on the connect() call when using a Unix domain
2914 socket in the ${readsocket expansion. There now is.
2915
4e88a19f
PH
2916PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
2917 be meaningful with "accept".
2918
d7d7b289
SC
2919SC/01 Eximstats V1.43
2920 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
2921
2922SC/02 Eximstats V1.44
2923 Use a glob alias rather than an array ref in the generated
2924 parser. This improves both readability and performance.
2925
2926SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
2927 Collect SpamAssassin and rejection statistics.
2928 Don't display local sender or destination tables unless
2929 there is data to show.
2930 Added average volumes into the top table text output.
2931
2932SC/04 Eximstats V1.46
2933 Collect data on the number of addresses (recipients)
2934 as well as the number of messages.
2935
2936SC/05 Eximstats V1.47
2937 Added 'Message too big' to the list of mail rejection
2938 reasons (thanks to Marco Gaiarin).
2939
2940SC/06 Eximstats V1.48
2941 Mainlog lines which have GMT offsets and are too short to
2942 have a flag are now skipped.
2943
2944SC/07 Eximstats V1.49 (Alain Williams)
2945 Added the -emptyok flag.
2946
2947SC/08 Eximstats V1.50
2948 Fixes for obtaining the IP address from reject messages.
2949
0ea2a468
JJ
2950JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
2951 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
4c04137d 2952 whitespace changes from 4.64-PH/27
0ea2a468
JJ
2953
2954JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
2955 match 4.64-PH/13
2956
2957JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
2958 are found, allow negative numbers in numeric criteria)
2959
2960JJ/06 exipick.20061117.2, added new $message_body_missing variable
2961
2962JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
2963 to match changes made in 4.64-PH/43
2964
8a10f5a4
PH
2965PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
2966
30e18802
PH
2967PH/47 Put in an explicit test for a DNS lookup of an address record where the
2968 "domain" is actually an IP address, and force a failure. This locks out
2969 those revolvers/nameservers that support "A-for-A" lookups, in
2970 contravention of the specifications.
2971
55728a4f
PH
2972PH/48 When a host name was looked up from an IP address, and the subsequent
2973 forward lookup of the name timed out, the host name was left in
2974 $sender_host_name, contrary to the specification.
d7d7b289 2975
d7837193
PH
2976PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
2977 restricted to single-key lookups, Exim was not diagnosing an error if
2978 * or *@ was used with a query-style lookup.
2979
87054a31
PH
2980PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
2981
ea2c01d2
MH
2982MH/01 local_scan ABI version incremented to 1.1. It should have been updated
2983 long ago, but noone interested enough thought of it. Let's just say that
2984 the "1.1" means that there are some new functions that weren't there at
2985 some point in the past.
2986
e4fa6968
PH
2987PH/51 Error processing for expansion failure of helo_data from an smtp
2988 transport during callout processing was broken.
2989
56f5d9bd
PH
2990PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
2991 tested/used via the -bh/-bhc/-bs options.
2992
922e1c28
PH
2993PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
2994 bug, fixed in subsequent PCRE releases).
2995
21eb6e72
PH
2996PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
2997 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
2998
a0540757
PH
2999PH/55 Check for a ridiculously long file name in exim_dbmbuild.
3000
944e9e9c 3001
478be7b0
SC
3002Exim version 4.63
3003-----------------
3004
3005SC/01 Use a glob alias rather than an array ref in eximstats generated
3006 parser. This improves both readability and performance.
3007
3008SC/02 Collect SpamAssassin and rejection statistics in eximstats.
3009 Don't display local sender or destination tables in eximstats unless
3010 there is data to show.
3011 Added average volumes into the eximstats top table text output.
3012
3013SC/03 Collect data on the number of addresses (recipients) as well
3014 as the number of messages in eximstats.
3015
2b965a65
TF
3016TF/01 Correct an error in the documentation for the redirect router. Exim
3017 does (usually) call initgroups() when daemonizing.
478be7b0 3018
45b91596
PH
3019TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
3020 with consistent privilege compared to when running as a daemon.
478be7b0 3021
c59f5781
TF
3022TF/03 Note in the spec that $authenticated_id is not set for local
3023 submissions from trusted users.
3024
90fc3069
TF
3025TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
3026 Thanks to Dean Brooks <dean@iglou.com> for the patch.
3027
6083aca0
TF
3028TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
3029 by adding some example configuration directives to the default
3030 configuration file. A little bit of work is required to uncomment the
3031 directives and define how usernames and passwords are checked, but
3032 there is now a framework to start from.
3033
765b530f
PH
3034PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
3035 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
3036 without this. I don't know how relevant this is to other LDAP libraries.
3037
4e167a8c
PH
3038PH/02 Add the verb name to the "unknown ACL verb" error.
3039
4608d683
PH
3040PH/03 Magnus Holmgren's patch for filter_prepend_home.
3041
b8dc3e4a
PH
3042PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
3043
5418e93b
PH
3044PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
3045 directory not expanded when it should be if an expanded home directory
3046 was set for the address (which is overridden by the transport).
3047
b4a9bda2
PH
3048PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
3049 libradius.
3050
45b91596
PH
3051PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
3052 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
3053 because it is too late at that time, and has no effect.
3054
5547e2c5
PH
3055PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
3056 security issue with \' (bugzilla #107). I could not use the
3057 PQescapeStringConn() function, because it needs a PGconn value as one of
3058 its arguments.
3059
dbcef0ea
PH
3060PH/08 When testing addresses using -bt, indicate those final addresses that
3061 are duplicates that would not cause an additional delivery. At least one
3062 person was confused, thinking that -bt output corresponded to deliveries.
3063 (Suppressing duplicates isn't a good idea as you lose the information
3064 about possibly different redirections that led to the duplicates.)
3065
25257489
PH
3066PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
3067 systems where poll() doesn't work, in particular OS X.
3068
c816d124
PH
3069PH/10 Added more information to debugging output for retry time not reached.
3070
a9ccd69a
PH
3071PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
3072 operations in malware.c.
3073
75fa1910
PH
3074PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
3075 signatures.
3076
a7d7aa58
PH
3077PH/13 If write_rejectlog was set false when logging was sent to syslog with
3078 syslog_duplication set false, log lines that would normally be written
3079 both the the main log and to the reject log were not written to syslog at
3080 all.
3081
42119b09
PH
3082PH/14 In the default configuration, change the use of "message" in ACL warn
3083 statements to "add_header".
3084
41609df5
PH
3085PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
3086 not followed by a command (e.g. "seen endif").
3087
a5bd321b
PH
3088PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
3089 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
3090 latter.
3091
e85a7ad5 3092PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
3093 so that it is now:
3094
e85a7ad5
PH
3095 ${if or { \
3096 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
3097 { match{$h_precedence:}{(?i)bulk|list|junk} } \
3098 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
3099 }{no}{yes}}
3100
e85a7ad5
PH
3101 The Auto-Submitted: and various List- headers are standardised, whereas I
3102 don't think Precedence: ever was.
5dff5817 3103
d8fe1c03
PH
3104PH/18 Refactored debugging code in route_finduser() to show more information,
3105 in particular, the error code if getpwnam() issues one.
3106
16282d2b
PH
3107PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
3108 This is apparently needed in addition to the PH/07 change above to avoid
3109 any possible encoding problems.
3110
35d40a98
PH
3111PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
3112 but not after initializing Perl.
3113
034d99ab
PH
3114PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
3115 output them only if debugging. By default they are written stderr,
3116 apparently, which is not desirable.
3117
6ec97b1b
PH
3118PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
3119 queries.
3120
e22ca4ac
JJ
3121JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
3122 --not options
3123
3124JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
3125
33d73e3b
PH
3126PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
3127 authenticated or an ident call has been made. Suppress the default
3128 values for $authenticated_id and $authenticated_sender (but permit -oMai
3129 and -oMas) when testing with -bh.
3130
9ecb03f3
PH
3131PH/24 Re-jigged the order of the tests in the default configuration so that the
3132 tests for valid domains and recipients precede the DNS black list and CSA
3133 tests, on the grounds that those ones are more expensive.
3134
084efe8d
PH
3135PH/25 Exim was not testing for a space following SMTP commands such as EHLO
3136 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
3137 This bug exists in every version of Exim that I still have, right back to
3138 0.12.
3139
366fc9f0
PH
3140PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
3141 However, an attempt to turn on case-sensitivity in a regex key by
3142 including (?-i) didn't work because the subject string was already
3143 lowercased, and the effects were non-intuitive. It turns out that a
3144 one-line patch can be used to allow (?-i) to work as expected.
3145
c59f5781 3146
c887c79e
TF
3147Exim version 4.62
3148-----------------
3149
3150TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
3151 other effects) broke the use of negated acl sub-conditions.
3152
1cce3af8
PH
3153PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
3154 patch).
3155
afb3eaaf
PH
3156PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
3157 "Deny" causes Exim to reject the incoming connection with a 554 error.
3158 Unfortunately, if there is a major crisis, such as a disk failure,
3159 tcp-wrappers gives "deny", whereas what one would like would be some
3160 kind of temporary error. A kludge has been added to help with this.
3161 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
3162 554 error is used if errno is still zero or contains ENOENT (which occurs
3163 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
3164 451 error is used.
3165
e173618b
PH
3166PH/03 Add -lutil to the default FreeBSD LIBS setting.
3167
dd16e114
PH
3168PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
3169 errors. Otherwise a message that provokes a temporary error (when other
3170 messages do not) can cause a whole host to time out.
3171
f7fd3850
PH
3172PH/05 Batch deliveries by appendfile and pipe transports did not work when the
3173 addresses were routed directly to files or pipes from a redirect router.
3174 File deliveries just didn't batch; pipe deliveries might have suffered
3175 odd errors.
3176
d87df92c
PH
3177PH/06 A failure to get a lock for a hints database would erroneously always say
3178 "Failed to get write lock", even when it was really a read lock.
3179
7e9f683d
PH
3180PH/07 The appendfile transport was creating MBX lock files with a fixed mode
3181 of 0600. This has been changed to use the value of the lockfile_mode
3182 option (which defaults to 0600).
3183
bfad5236
PH
3184PH/08 Applied small patch from the Sieve maintainer.
3185
01c490df
PH
3186PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
3187 folder from quota calculations, a direct delivery into this folder messed
3188 up the contents of the maildirsize file. This was because the regex was
3189 used only to exclude .Trash (or whatever) when the size of the mailbox
3190 was calculated. There was no check that a delivery was happening into an
3191 excluded directory. This bug has been fixed by ignoring all quota
3192 processing for deliveries into excluded directories.
3193
d6629cdc
PH
3194PH/10 Added the maildirfolder_create_regex option to appendfile.
3195
1cce3af8 3196
214e2000
PH
3197Exim version 4.61
3198-----------------
3199
3200PH/01 The code for finding all the local interface addresses on a FreeBSD
3201 system running IPv6 was broken. This may well have applied to all BSD
3202 systems, as well as to others that have similar system calls. The broken
3203 code found IPv4 interfaces correctly, but gave incorrect values for the
3204 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
3205 that it would not match correctly against @[] and not recognize the IPv6
3206 addresses as local.
3207
f9daeae0
PH
3208PH/02 The ipliteral router was not recognizing addresses of the form user@
3209 [ipv6:....] because it didn't know about the "ipv6:" prefix.
3210
7e66e54d
PH
3211PH/03 Added disable_ipv6.
3212
c8ea1597
PH
3213PH/04 Changed $reply_address to use the raw form of the headers instead of the
3214 decoded form, because it is most often used to construct To: headers
3215 lines in autoreplies, and the decoded form may well be syntactically
3216 invalid. However, $reply_address has leading white space removed, and all
3217 newlines turned into spaces so that the autoreply transport does not
3218 grumble.
3219
911f6fde
PH
3220PH/05 If group was specified without a user on a router, and no group or user
3221 was specified on a transport, the group from the router was ignored.
3222
47ca6d6c
PH
3223PH/06 Increased the number of ACL variables to 20 of each type, and arranged
3224 for visible compile-time settings that can be used to change these
3225 numbers, for those that want even more. Backwards compatibility with old
3226 spool files has been maintained. However, going back to a previous Exim
3227 release will lost any variables that are in spool files.
3228
ed0e9820
PH
3229PH/07 Two small changes when running in the test harness: increase delay when
3230 passing a TCP/IP connection to a new process, in case the original
3231 process has to generate a bounce, and remove special handling of
3232 127.0.0.2 (sic), which is no longer necessary.
3233
eff37e47
PH
3234PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
3235 be the same on different OS.
3236
1921d2ea
PH
3237PH/09 Moved a debug statement in filter processing to avoid a race problem when
3238 testing.
3239
b3f69ca8
JJ
3240JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
3241 whether --show-vars was specified or not
3242
3243JJ/02 exipick: Added support for new ACL variable spool format introduced
3244 in 4.61-PH/06
3245
424a1c63
PH
3246PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
3247 syntactically invalid From: or Reply-to: line, and a filter used this to
3248 generate an autoreply, and therefore failed to obtain an address for the
3249 autoreply, Exim could try to deliver to a non-existent relative file
3250 name, causing unrelated and misleading errors. What now happens is that
3251 it logs this as a hard delivery error, but does not attempt to create a
3252 bounce message.
3253
7a100415
PH
3254PH/11 The exinext utility has a -C option for testing purposes, but although
3255 the given file was scanned by exinext itself; it wasn't being passed on
3256 when Exim was called.
3257
19b9dc85
PH
3258PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
3259 an end-of-file indication when reading a command response.
3260
309bd837
PH
3261PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
3262 compiled. In many other places in Exim, IPv6 addresses are always
3263 recognized, so I have changed this. It also means that IPv4 domain
3264 literals of the form [IPV4:n.n.n.n] are now always recogniz