Repair Heimdal GSSAPI authenticator init part 2
[exim.git] / doc / doc-txt / ChangeLog
CommitLineData
495ae4b0 1Change log file for Exim from version 4.21
f988ce57 2------------------------------------------
446415f5
HSHR
3This document describes *changes* to previous versions, that might
4affect Exim's operation, with an unchanged configuration file. For new
5options, and new features, see the NewStuff file next to this ChangeLog.
495ae4b0 6
4c57a40e 7
d4fd1b83 8Exim version 4.91
459fca58
JH
9-----------------
10
11JH/01 Replace the store_release() internal interface with store_newblock(),
12 which internalises the check required to safely use the old one, plus
13 the allocate and data copy operations duplicated in both (!) of the
14 extant use locations.
15
944e8b37
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16JH/02 Disallow '/' characters in queue names specified for the "queue=" ACL
17 modifier. This matches the restriction on the commandline.
18
bbfb5dcd
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19JH/03 Fix pgsql lookup for multiple result-tuples with a single column.
20 Previously only the last row was returned.
21
a05d3e34
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22JH/04 Bug 2217: Tighten up the parsing of DKIM signature headers. Previously
23 we assumed that tags in the header were well-formed, and parsed the
24 element content after inspecting only the first char of the tag.
25 Assumptions at that stage could crash the receive process on malformed
26 input.
27
ce93c6d8
JH
28JH/05 Bug 2215: Fix crash associated with dnsdb lookup done from DKIM ACL.
29 While running the DKIM ACL we operate on the Permanent memory pool so that
30 variables created with "set" persist to the DATA ACL. Also (at any time)
31 DNS lookups that fail create cache records using the Permanent pool. But
32 expansions release any allocations made on the current pool - so a dnsdb
33 lookup expansion done in the DKIM ACL releases the memory used for the
34 DNS negative-cache, and bad things result. Solution is to switch to the
35 Main pool for expansions.
36 While we're in that code, add checks on the DNS cache during store_reset,
37 active in the testsuite.
38 Problem spotted, and debugging aided, by Wolfgang Breyha.
39
2577f55f
JH
40JH/06 Fix issue with continued-connections when the DNS shifts unreliably.
41 When none of the hosts presented to a transport match an already-open
42 connection, close it and proceed with the list. Previously we would
43 queue the message. Spotted by Lena with Yahoo, probably involving
44 round-robin DNS.
45
5b6f7658
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46JH/07 Bug 2214: Fix SMTP responses resulting from non-accept result of MIME ACL.
47 Previously a spurious "250 OK id=" response was appended to the proper
48 failure response.
49
c11d665d
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50JH/08 The "support for" informational output now, which built with Content
51 Scanning support, has a line for the malware scanner interfaces compiled
52 in. Interface can be individually included or not at build time.
e5ba8aa7
JH
53
54JH/09 The "aveserver", "kavdaemon" and "mksd" interfaces are now not included
55 by the template makefile "src/EDITME". The "STREAM" support for an older
56 ClamAV interface method is removed.
c11d665d 57
ba0e37b1
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58JH/10 Bug 2223: Fix mysql lookup returns for the no-data case (when the number of
59 rows affected is given instead).
60
96508de1
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61JH/11 The runtime Berkeley DB library version is now additionally output by
62 "exim -d -bV". Previously only the compile-time version was shown.
63
06fdb9f7
JH
64JH/12 Bug 2230: Fix cutthrough routing for nonfirst messages in an initiating
65 SMTP connection. Previously, when one had more receipients than the
66 first, an abortive onward connection was made. Move to full support for
67 multiple onward connections in sequence, handling cutthrough connection
68 for all multi-message initiating connections.
69
f83a760f
JH
70JH/13 Bug 2229: Fix cutthrough routing for nonstandard port numbers defined by
71 routers. Previously, a multi-recipient message would fail to match the
72 onward-connection opened for the first recipient, and cause its closure.
73
f1fed05b
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74JH/14 Bug 2174: A timeout on connect for a callout was also erroneously seen as
75 a timeout on read on a GnuTLS initiating connection, resulting in the
76 initiating connection being dropped. This mattered most when the callout
77 was marked defer_ok. Fix to keep the two timeout-detection methods
78 separate.
79
051d5efa
JH
80JH/15 Relax results from ACL control request to enable cutthrough, in
81 unsupported situations, from error to silently (except under debug)
82 ignoring. This covers use with PRDR, frozen messages, queue-only and
83 fake-reject.
84
744976d4
JH
85JH/16 Fix bug in DKIM verify: a buffer overflow could corrupt the malloc
86 metadata, resulting in a crash in free().
87
aab9a843 88PP/01 Fix broken Heimdal GSSAPI authenticator integration.
7be14582 89 Broken in f2ed27cf5, missing an equals sign for specified-initialisers.
aab9a843 90 Broken also in d185889f4, with init system revamp.
7be14582 91
bbfb5dcd 92
acfc18c3
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93Exim version 4.90
94-----------------
95
96JH/01 Rework error string handling in TLS interface so that the caller in
97 more cases is responsible for logging. This permits library-sourced
98 string to be attached to addresses during delivery, and collapses
99 pairs of long lines into single ones.
100
856d1e16
PP
101PP/01 Allow PKG_CONFIG_PATH to be set in Local/Makefile and use it correctly
102 during configuration. Wildcards are allowed and expanded.
103
b9df1829
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104JH/02 Rework error string handling in DKIM to pass more info back to callers.
105 This permits better logging.
106
875512a3
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107JH/03 Rework the transport continued-connection mechanism: when TLS is active,
108 do not close it down and have the child transport start it up again on
109 the passed-on TCP connection. Instead, proxy the child (and any
110 subsequent ones) for TLS via a unix-domain socket channel. Logging is
111 affected: the continued delivery log lines do not have any DNSSEC, TLS
5013d912 112 Certificate or OCSP information. TLS cipher information is still logged.
875512a3 113
fc3f96af
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114JH/04 Shorten the log line for daemon startup by collapsing adjacent sets of
115 identical IP addresses on different listening ports. Will also affect
116 "exiwhat" output.
117
98913c8e
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118PP/02 Bug 2070: uClibc defines __GLIBC__ without providing glibc headers;
119 add noisy ifdef guards to special-case this sillyness.
120 Patch from Bernd Kuhls.
121
8d909960
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122JH/05 Tighten up the checking in isip4 (et al): dotted-quad components larger
123 than 255 are no longer allowed.
124
7006ee24
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125JH/06 Default openssl_options to include +no_ticket, to reduce load on peers.
126 Disable the session-cache too, which might reduce our load. Since we
127 currrectly use a new context for every connection, both as server and
128 client, there is no benefit for these.
129 GnuTLS appears to not support tickets server-side by default (we don't
130 call gnutls_session_ticket_enable_server()) but client side is enabled
131 by default on recent versions (3.1.3 +) unless the PFS priority string
132 is used (3.2.4 +).
133
6e411084
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134PP/03 Add $SOURCE_DATE_EPOCH support for reproducible builds, per spec at
135 <https://reproducible-builds.org/specs/source-date-epoch/>.
136
4c2471ca
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137JH/07 Fix smtp transport use of limited max_rcpt under mua_wrapper. Previously
138 the check for any unsuccessful recipients did not notice the limit, and
139 erroneously found still-pending ones.
140
4e910c01
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141JH/08 Pipeline CHUNKING command and data together, on kernels that support
142 MSG_MORE. Only in-clear (not on TLS connections).
143
42055a33
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144JH/09 Avoid using a temporary file during transport using dkim. Unless a
145 transport-filter is involved we can buffer the headers in memory for
146 creating the signature, and read the spool data file once for the
147 signature and again for transmission.
148
eeb35890
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149JH/10 Enable use of sendfile in Linux builds as default. It was disabled in
150 4.77 as the kernel support then wasn't solid, having issues in 64bit
7d758a6a 151 mode. Now, it's been long enough. Add support for FreeBSD also.
eeb35890 152
b7d3afcf
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153JH/11 Bug 2104: Fix continued use of a transport connection with TLS. In the
154 case where the routing stage had gathered several addresses to send to
155 a host before calling the transport for the first, we previously failed
156 to close down TLS in the old transport process before passing the TCP
157 connection to the new process. The new one sent a STARTTLS command
158 which naturally failed, giving a failed delivery and bloating the retry
159 database. Investigation and fix prototype from Wolfgang Breyha.
160
40525d07
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161JH/12 Fix check on SMTP command input synchronisation. Previously there were
162 false-negatives in the check that the sender had not preempted a response
163 or prompt from Exim (running as a server), due to that code's lack of
a5ffa9b4 164 awareness of the SMTP input buffering.
40525d07 165
f33875c3
PP
166PP/04 Add commandline_checks_require_admin option.
167 Exim drops privileges sanely, various checks such as -be aren't a
168 security problem, as long as you trust local users with access to their
169 own account. When invoked by services which pass untrusted data to
170 Exim, this might be an issue. Set this option in main configuration
171 AND make fixes to the calling application, such as using `--` to stop
172 processing options.
173
a5ffa9b4
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174JH/13 Do pipelining under TLS. Previously, although safe, no advantage was
175 taken. Now take care to pack both (client) MAIL,RCPT,DATA, and (server)
176 responses to those, into a single TLS record each way (this usually means
177 a single packet). As a side issue, smtp_enforce_sync now works on TLS
178 connections.
925ac8e4 179
6600985a
PP
180PP/05 OpenSSL/1.1: use DH_bits() for more accurate DH param sizes. This
181 affects you only if you're dancing at the edge of the param size limits.
182 If you are, and this message makes sense to you, then: raise the
183 configured limit or use OpenSSL 1.1. Nothing we can do for older
184 versions.
185
ac4d558b
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186JH/14 For the "sock" variant of the malware scanner interface, accept an empty
187 cmdline element to get the documented default one. Previously it was
188 inaccessible.
189
e69636bc
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190JH/15 Fix a crash in the smtp transport caused when two hosts in succession
191 are unsuable for non-message-specific reasons - eg. connection timeout,
192 banner-time rejection.
193
a843a57e
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194JH/16 Fix logging of delivery remote port, when specified by router, under
195 callout/hold.
196
8e041ae0
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197PP/06 Repair manualroute's ability to take options in any order, even if one
198 is the name of a transport.
833c70bc
PP
199 Fixes bug 2140.
200
35a04365
HSHR
201HS/01 Cleanup, prevent repeated use of -p/-oMr (CVE-2017-1000369)
202
4226691b
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203JH/17 Change the list-building routines interface to use the expanding-string
204 triplet model, for better allocation and copying behaviour.
205
d185889f
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206JH/18 Prebuild the data-structure for "builtin" macros, for faster startup.
207 Previously it was constructed the first time a possibly-matching string
208 was met in the configuration file input during startup; now it is done
209 during compilation.
210
0a6c178c
JH
211JH/19 Bug 2141: Use the full-complex API for Berkeley DB rather than the legacy-
212 compatible one, to avoid the (poorly documented) possibility of a config
213 file in the working directory redirecting the DB files, possibly correpting
02745400 214 some existing file. CVE-2017-10140 assigned for BDB.
0a6c178c 215
fae8970d
JH
216JH/20 Bug 2147: Do not defer for a verify-with-callout-and-random which is not
217 cache-hot. Previously, although the result was properly cached, the
218 initial verify call returned a defer.
219
ad1a76fe 220JH/21 Bug 2151: Avoid using SIZE on the MAIL for a callout verify, on any but
14de8063
JH
221 the main verify for receipient in uncached-mode.
222
ad1a76fe
JH
223JH/22 Retire historical build files to an "unsupported" subdir. These are
224 defined as "ones for which we have no current evidence of testing".
225
135e9496
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226JH/23 DKIM: enforce the DNS pubkey record "h" permitted-hashes optional field,
227 if present. Previously it was ignored.
228
f2ed27cf
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229JH/24 Start using specified-initialisers in C structure init coding. This is
230 a C99 feature (it's 2017, so now considered safe).
231
7eb0e5d2
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232JH/25 Use one-bit bitfields for flags in the "addr" data structure. Previously
233 if was a fixed-sized field and bitmask ops via macros; it is now more
234 extensible.
235
4f9f4be4
236PP/07 GitHub PR 56: Apply MariaDB build fix.
237 Patch provided by Jaroslav Škarvada.
238
dc4de9cc
PP
239PP/08 Bug 2161: Fix regression in sieve quoted-printable handling introduced
240 during Coverity cleanups [4.87 JH/47]
241 Diagnosis and fix provided by Michael Fischer v. Mollard.
242
ea18931d
JH
243JH/26 Fix DKIM bug: when the pseudoheader generated for signing was exactly
244 the right size to place the terminating semicolon on its own folded
245 line, the header hash was calculated to an incorrect value thanks to
246 the (relaxed) space the fold became.
247
2cee425a
HSHR
248HS/02 Fix Bug 2130: large writes from the transport subprocess where chunked
249 and confused the parent.
250
848214f7
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251JH/27 Fix SOCKS bug: an unitialized pointer was deref'd by the transport process
252 which could crash as a result. This could lead to undeliverable messages.
253
9e0ed81f
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254JH/28 Logging: "next input sent too soon" now shows where input was truncated
255 for log purposes.
256
2540f2f8
JH
257JH/29 Fix queue_run_in_order to ignore the PID portion of the message ID. This
258 matters on fast-turnover and PID-randomising systems, which were getting
259 out-of-order delivery.
260
e5ab0ba9
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261JH/30 Fix a logging bug on aarch64: an unsafe routine was previously used for
262 a possibly-overlapping copy. The symptom was that "Remote host closed
263 connection in response to HELO" was logged instead of the actual 4xx
264 error for the HELO.
265
e99a3a6c
JH
266JH/31 Fix CHUNKING code to properly flush the unwanted chunk after an error.
267 Previously only that bufferd was discarded, resulting in SYMTP command
268 desynchronisation.
269
18067c75
JH
270JH/32 DKIM: when a message has multiple signatures matching an identity given
271 in dkim_verify_signers, run the dkim acl once for each. Previously only
272 one run was done. Bug 2189.
273
72934ba7
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274JH/33 Downgrade an unfound-list name (usually a typo in the config file) from
275 "panic the current process" to "deliberately defer". The panic log is
276 still written with the problem list name; the mail and reject logs now
277 get a temp-reject line for the message that was being handled, saying
278 something like "domains check lookup or other defer". The SMTP 451
279 message is still "Temporary local problem".
280
625667b6
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281JH/34 Bug 2199: Fix a use-after-free while reading smtp input for header lines.
282 A crafted sequence of BDAT commands could result in in-use memory beeing
b488395f
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283 freed. CVE-2017-16943.
284
285HS/03 Bug 2201: Fix checking for leading-dot on a line during headers reading
286 from SMTP input. Previously it was always done; now only done for DATA
287 and not BDAT commands. CVE-2017-16944.
625667b6 288
d21bf202
JH
289JH/35 Bug 2201: Flush received data in BDAT mode after detecting an error fatal
290 to the message (such as an overlong header line). Previously this was
291 not done and we did not exit BDAT mode. Followon from the previous item
292 though a different problem.
293
acfc18c3 294
fd047340 295Exim version 4.89
acfc18c3 296-----------------
4c57a40e 297
9427e879 298JH/01 Bug 1922: Support IDNA2008. This has slightly different conversion rules
4c04137d 299 than -2003 did; needs libidn2 in addition to libidn.
fd047340 300
7b283890
JH
301JH/02 The path option on a pipe transport is now expanded before use.
302
4c57a40e
PP
303PP/01 GitHub PR 50: Do not call ldap_start_tls_s on ldapi:// connections.
304 Patch provided by "Björn", documentation fix added too.
305
5d036699
JH
306JH/03 Bug 2003: fix Proxy Protocol v2 handling: the address size field was
307 missing a wire-to-host endian conversion.
308
f4630439
JH
309JH/04 Bug 2004: fix CHUNKING in non-PIPELINEING mode. Chunk data following
310 close after a BDAT command line could be taken as a following command,
311 giving a synch failure. Fix by only checking for synch immediately
312 before acknowledging the chunk.
313
f988ce57
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314PP/02 GitHub PR 52: many spelling fixes, which include fixing parsing of
315 no_require_dnssec option and creation of _HAVE_TRANSPORT_APPEND_MAILDIR
316 macro. Patches provided by Josh Soref.
317
bd8fbe36
JH
318JH/05 Have the EHLO response advertise VRFY, if there is a vrfy ACL defined.
319 Previously we did not; the RFC seems ambiguous and VRFY is not listed
320 by IANA as a service extension. However, John Klensin suggests that we
321 should.
322
323JH/06 Bug 2017: Fix DKIM verification in -bh test mode. The data feed into
b895f4b2
JH
324 the dkim code may be unix-mode line endings rather than smtp wire-format
325 CRLF, so prepend a CR to any bare LF.
fd047340 326
bd8fbe36 327JH/07 Rationalise the coding for callout smtp conversations and transport ones.
902fbd69
JH
328 As a side-benfit, callouts can now use PIPELINING hence fewer round-trips.
329
bd8fbe36
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330JH/08 Bug 2016: Fix DKIM verification vs. CHUNKING. Any BDAT commands after
331 the first were themselves being wrongly included in the feed into dkim
332 processing; with most chunk sizes in use this resulted in an incorrect
333 body hash calculated value.
334
eea19017
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335JH/09 Bug 2014: permit inclusion of a DKIM-Signature header in a received
336 DKIM signature block, for verification. Although advised against by
337 standards it is specifically not ruled illegal.
338
44e6651b
JH
339JH/10 Bug 2025: Fix reception of (quoted) local-parts with embedded spaces.
340
341JH/11 Bug 2029: Fix crash in DKIM verification when a message signature block is
342 missing a body hash (the bh= tag).
343
344JH/12 Bug 2018: Re-order Proxy Protocol startup versus TLS-on-connect startup.
345 It seems that HAProxy sends the Proxy Protocol information in clear and
346 only then does a TLS startup, so do the same.
347
348JH/13 Bug 2027: Avoid attempting to use TCP Fast Open for non-transport client
349 TCP connections (such as for Spamd) unless the daemon successfully set
350 Fast Open mode on its listening sockets. This fixes breakage seen on
351 too-old kernels or those not configured for Fast Open, at the cost of
352 requiring both directions being enabled for TFO, and TFO never being used
353 by non-daemon-related Exim processes.
354
355JH/14 Bug 2000: Reject messages recieved with CHUNKING but with malformed line
356 endings, at least on the first header line. Try to canonify any that get
357 past that check, despite the cost.
358
b6040544
JH
359JH/15 Angle-bracket nesting (an error inserted by broken sendmails) levels are
360 now limited to an arbitrary five deep, while parsing addresses with the
361 strip_excess_angle_brackets option enabled.
362
f700ea4d
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363PP/03 Bug 2018: For Proxy Protocol and TLS-on-connect, do not over-read and
364 instead leave the unprompted TLS handshake in socket buffer for the
365 TLS library to consume.
366
da88acae
PP
367PP/04 Bug 2018: Also handle Proxy Protocol v2 safely.
368
f6ef9370
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369PP/05 FreeBSD compat: handle that Ports no longer create /usr/bin/perl
370
90341c71
JH
371JH/16 Drop variables when they go out of scope. Memory management drops a whole
372 region in one operation, for speed, and this leaves assigned pointers
373 dangling. Add checks run only under the testsuite which checks all
374 variables at a store-reset and panics on a dangling pointer; add code
375 explicitly nulling out all the variables discovered. Fixes one known
376 bug: a transport crash, where a dangling pointer for $sending_ip_address
377 originally assigned in a verify callout, is re-used.
378
1ec2ab36
PP
379PP/06 Drop '.' from @INC in various Perl scripts.
380
381PP/07 Switch FreeBSD iconv to always use the base-system libc functions.
382
383PP/08 Reduce a number of compilation warnings under clang; building with
384 CC=clang CFLAGS+=-Wno-dangling-else -Wno-logical-op-parentheses
385 should be warning-free.
386
8b2b9480
PP
387JH/17 Fix inbound CHUNKING when DKIM disabled at runtime.
388
389HS/01 Fix portability problems introduced by PP/08 for platforms where
390 realloc(NULL) is not equivalent to malloc() [SunOS et al].
391
d953610f
HSHR
392HS/02 Bug 1974: Fix missing line terminator on the last received BDAT
393 chunk. This allows us to accept broken chunked messages. We need a more
394 general solution here.
395
7dc5f827
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396PP/09 Wrote util/chunking_fixqueue_finalnewlines.pl to help recover
397 already-broken messages in the queue.
398
4bb432cb
PP
399JH/18 Bug 2061: Fix ${extract } corrupting an enclosing ${reduce } $value.
400
3b1a84c8
PP
401JH/19 Fix reference counting bug in routing-generated-address tracking.
402
902fbd69 403
8d042305
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404Exim version 4.88
405-----------------
4c57a40e 406
9094b84b
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407JH/01 Use SIZE on MAIL FROM in a cutthrough connection, if the destination
408 supports it and a size is available (ie. the sending peer gave us one).
8d042305 409
03d5892b
JH
410JH/02 The obsolete acl condition "demime" is removed (finally, after ten
411 years of being deprecated). The replacements are the ACLs
412 acl_smtp_mime and acl_not_smtp_mime.
413
4b0fe319
JH
414JH/03 Upgrade security requirements imposed for hosts_try_dane: previously
415 a downgraded non-dane trust-anchor for the TLS connection (CA-style)
416 or even an in-clear connection were permitted. Now, if the host lookup
417 was dnssec and dane was requested then the host is only used if the
418 TLSA lookup succeeds and is dnssec. Further hosts (eg. lower priority
419 MXs) will be tried (for hosts_try_dane though not for hosts_require_dane)
420 if one fails this test.
421 This means that a poorly-configured remote DNS will make it incommunicado;
422 but it protects against a DNS-interception attack on it.
423
789f8a4f
JH
424JH/04 Bug 1810: make continued-use of an open smtp transport connection
425 non-noisy when a race steals the message being considered.
426
23bb6982 427JH/05 If main configuration option tls_certificate is unset, generate a
f59aaaaa 428 self-signed certificate for inbound TLS connections.
23bb6982 429
0bd1b1ed 430JH/06 Bug 165: hide more cases of password exposure - this time in expansions
f42deca9 431 in rewrites and routers.
0bd1b1ed 432
20b9a2dc
JH
433JH/07 Retire gnutls_require_mac et.al. These were nonfunctional since 4.80
434 and logged a warning sing 4.83; now they are a configuration file error.
435
05392bbc
JH
436JH/08 Bug 1836: Fix crash in VRFY handling when handed an unqualified name
437 (lacking @domain). Apply the same qualification processing as RCPT.
438
1a6230a3
JH
439JH/09 Bug 1804: Avoid writing msglog files when in -bh or -bhc mode.
440
cfab9d68
JH
441JH/10 Support ${sha256:} applied to a string (as well as the previous
442 certificate).
443
98c82a3d
JH
444JH/11 Cutthrough: avoid using the callout hints db on a verify callout when
445 a cutthrough deliver is pending, as we always want to make a connection.
446 This also avoids re-routing the message when later placing the cutthrough
447 connection after a verify cache hit.
448 Do not update it with the verify result either.
449
450JH/12 Cutthrough: disable when verify option success_on_redirect is used, and
451 when routing results in more than one destination address.
452
ae8386f0
JH
453JH/13 Cutthrough: expand transport dkim_domain option when testing for dkim
454 signing (which inhibits the cutthrough capability). Previously only
455 the presence of an option was tested; now an expansion evaluating as
456 empty is permissible (obviously it should depend only on data available
457 when the cutthrough connection is made).
458
0d9fa8c0
JH
459JH/14 Fix logging of errors under PIPELINING. Previously the log line giving
460 the relevant preceding SMTP command did not note the pipelining mode.
461
3581f321
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462JH/15 Fix counting of empty lines in $body_linecount and $message_linecount.
463 Previously they were not counted.
464
ef3a1a30
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465JH/16 DANE: treat a TLSA lookup response having all non-TLSA RRs, the same
466 as one having no matching records. Previously we deferred the message
467 that needed the lookup.
468
4c04137d 469JH/17 Fakereject: previously logged as a normal message arrival "<="; now
27b9e5f4
JH
470 distinguished as "(=".
471
1435d4b2
JH
472JH/18 Bug 1867: make the fail_defer_domains option on a dnslookup router work
473 for missing MX records. Previously it only worked for missing A records.
474
eea0defe
JB
475JH/19 Bug 1850: support Radius libraries that return REJECT_RC.
476
477JH/20 Bug 1872: Ensure that acl_smtp_notquit is run when the connection drops
478 after the data-go-ahead and data-ack. Patch from Jason Betts.
860cdda2 479
4c04137d 480JH/21 Bug 1846: Send DMARC forensic reports for reject and quarantine results,
72a201e2
TM
481 even for a "none" policy. Patch from Tony Meyer.
482
1c788856
JH
483JH/22 Fix continued use of a connection for further deliveries. If a port was
484 specified by a router, it must also match for the delivery to be
485 compatible.
486
e3b1f624
JH
487JH/23 Bug 1874: fix continued use of a connection for further deliveries.
488 When one of the recipients of a message was unsuitable for the connection
489 (has no matching addresses), we lost track of needing to mark it
490 deferred. As a result mail would be lost.
491
a57ce043
JH
492JH/24 Bug 1832: Log EHLO response on getting conn-close response for HELO.
493
f59aaaaa 494JH/25 Decoding ACL controls is now done using a binary search; the source code
2d009132
JH
495 takes up less space and should be simpler to maintain. Merge the ACL
496 condition decode tables also, with similar effect.
d7bed771 497
d1f9fb42
JH
498JH/26 Fix problem with one_time used on a redirect router which returned the
499 parent address unchanged. A retry would see the parent address marked as
500 delivered, so not attempt the (identical) child. As a result mail would
501 be lost.
502
92b0827a
JH
503JH/27 Fix a possible security hole, wherein a process operating with the Exim
504 UID can gain a root shell. Credit to http://www.halfdog.net/ for
505 discovery and writeup. Ubuntu bug 1580454; no bug raised against Exim
506 itself :(
507
ddf1b11a
JH
508JH/28 Enable {spool,log} filesystem space and inode checks as default.
509 Main config options check_{log,spool}_{inodes,space} are now
510 100 inodes, 10MB unless set otherwise in the configuration.
511
3cc3f762
JH
512JH/29 Fix the connection_reject log selector to apply to the connect ACL.
513 Previously it only applied to the main-section connection policy
514 options.
515
ae5afa61
JH
516JH/30 Bug 1897: fix callouts connection fallback from TLS to cleartext.
517
317e40ac
PP
518PP/01 Changed default Diffie-Hellman parameters to be Exim-specific, created
519 by me. Added RFC7919 DH primes as an alternative.
520
8b0fb68e
PP
521PP/02 Unbreak build via pkg-config with new hash support when crypto headers
522 are not in the system include path.
523
ad7fc6eb 524JH/31 Fix longstanding bug with aborted TLS server connection handling. Under
f59aaaaa 525 GnuTLS, when a session startup failed (eg because the client disconnected)
ad7fc6eb
JH
526 Exim did stdio operations after fclose. This was exposed by a recent
527 change which nulled out the file handle after the fclose.
ad7fc6eb 528
ee5b1e28
JH
529JH/32 Bug 1909: Fix OCSP proof verification for cases where the proof is
530 signed directly by the cert-signing cert, rather than an intermediate
531 OCSP-signing cert. This is the model used by LetsEncrypt.
532
5ddc9771
JH
533JH/33 Bug 1914: Ensure socket is nonblocking before draining after SMTP QUIT.
534
8d73599f
JH
535HS/01 Fix leak in verify callout under GnuTLS, about 3MB per recipient on
536 an incoming connection.
537
446415f5
HSHR
538HS/02 Bug 1802: Do not half-close the connection after sending a request
539 to rspamd.
540
8e53a4fc
HSHR
541HS/03 Use "auto" as the default EC curve parameter. For OpenSSL < 1.0.2
542 fallback to "prime256v1".
8d042305 543
87cb4a16 544JH/34 SECURITY: Use proper copy of DATA command in error message.
4c57a40e 545 Could leak key material. Remotely exploitable. CVE-2016-9963.
87cb4a16
JH
546
547
0d9b78be
JH
548Exim version 4.87
549-----------------
4c57a40e 550
82d14d6a
JH
551JH/01 Bug 1664: Disable OCSP for GnuTLS library versions at/before 3.3.16
552 and 3.4.4 - once the server is enabled to respond to an OCSP request
553 it does even when not requested, resulting in a stapling non-aware
554 client dropping the TLS connection.
0d9b78be 555
6c6d6e48
TF
556TF/01 Code cleanup: Overhaul the debug_selector and log_selector machinery to
557 support variable-length bit vectors. No functional change.
558
ac881e27
TF
559TF/02 Improve the consistency of logging incoming and outgoing interfaces.
560 The I= interface field on outgoing lines is now after the H= remote
561 host field, same as incoming lines. There is a separate
562 outgoing_interface log selector which allows you to disable the
563 outgoing I= field.
564
c8899c20
JH
565JH/02 Bug 728: Close logfiles after a daemon-process "exceptional" log write.
566 If not running log_selector +smtp_connection the mainlog would be held
567 open indefinitely after a "too many connections" event, including to a
568 deleted file after a log rotate. Leave the per net connection logging
569 leaving it open for efficiency as that will be quickly detected by the
570 check on the next write.
571
f1b81d81
HSHR
572HS/01 Bug 1671: Fix post transport crash.
573 Processing the wait-<transport> messages could crash the delivery
574 process if the message IDs didn't exist for some reason. When
575 using 'split_spool_directory=yes' the construction of the spool
576 file name failed already, exposing the same netto behaviour.
577
f38917cc
JH
578JH/03 Bug 425: Capture substrings in $regex1, $regex2 etc from regex &
579 mime_regex ACL conditions.
580
895fbaf2
JH
581JH/04 Bug 1686: When compiled with EXPERIMENTAL_DSN_INFO: Add extra information
582 to DSN fail messages (bounces): remote IP, remote greeting, remote response
583 to HELO, local diagnostic string.
584
805bb5c3
JH
585JH/05 Downgrade message for a TLS-certificate-based authentication fail from
586 log line to debug. Even when configured with a tls authenticator many
587 client connections are expected to not authenticate in this way, so
588 an authenticate fail is not an error.
589
56c2a7be
HSHR
590HS/02 Add the Exim version string to the process info. This way exiwhat
591 gives some more detail about the running daemon.
592
4c04137d 593JH/06 Bug 1395: time-limit caching of DNS lookups, to the TTL value. This may
14b3c5bc
JH
594 matter for fast-change records such as DNSBLs.
595
6f6dedcc
JH
596JH/07 Bug 1678: Always record an interface option value, if set, as part of a
597 retry record, even if constant. There may be multiple transports with
598 different interface settings and the retry behaviour needs to be kept
599 distinct.
600
0f557e90
JH
601JH/08 Bug 1586: exiqgrep now refuses to run if there are unexpected arguments.
602
603JH/09 Bug 1700: ignore space & tab embedded in base64 during decode.
604
ec0eb1a3
JH
605JH/10 Bug 840: fix log_defer_output option of pipe transport
606
41e93589
JH
607JH/11 Bug 830: use same host for all RCPTS of a message, even under
608 hosts_randomize. This matters a lot when combined with mua_wrapper.
609
98b98887 610JH/12 Bug 1706: percent and underbar characters are no longer escaped by the
376d2ec0
JH
611 ${quote_pgsql:<string>} operator.
612
98b98887
JH
613JH/13 Bug 1708: avoid misaligned access in cached lookup.
614
858e91c2
JH
615JH/14 Change header file name for freeradius-client. Relevant if compiling
616 with Radius support; from the Gentoo tree and checked under Fedora.
617
618JH/15 Bug 1712: Introduce $prdr_requested flag variable
619
6ff55e50
JH
620JH/16 Bug 1714: Permit an empty string as expansion result for transport
621 option transport_filter, meaning no filtering.
622
3b957582
JB
623JH/17 Bug 1713: Fix non-PDKIM_DEBUG build. Patch from Jasen Betts.
624
23f3dc67
JH
625JH/18 Bug 1709: When built with TLS support, the tls_advertise_hosts option now
626 defaults to "*" (all hosts). The variable is now available when not built
4c04137d 627 with TLS, default unset, mainly to enable keeping the testsuite sane.
23f3dc67
JH
628 If a server certificate is not supplied (via tls_certificate) an error is
629 logged, and clients will find TLS connections fail on startup. Presumably
630 they will retry in-clear.
631 Packagers of Exim are strongly encouraged to create a server certificate
632 at installation time.
633
240c288f
JH
634HS/03 Add -bP config_file as a synonym for -bP configure_file, for consistency
635 with the $config_file variable.
636
5ef5dd52
JB
637JH/19 Two additional event types: msg:rcpt:defer and msg:rcpt:host:defer. Both
638 in transport context, after the attempt, and per-recipient. The latter type
639 is per host attempted. The event data is the error message, and the errno
640 information encodes the lookup type (A vs. MX) used for the (first) host,
4c04137d 641 and the trailing two digits of the smtp 4xx response.
5ef5dd52 642
e161710d
GF
643GF/01 Bug 1715: Fix for race condition in exicyclog, where exim could attempt
644 to write to mainlog (or rejectlog, paniclog) in the window between file
645 creation and permissions/ownership being changed. Particularly affects
646 installations where exicyclog is run as root, rather than exim user;
647 result is that the running daemon panics and dies.
648
a159f203
JH
649JH/20 Bug 1701: For MySQL lookups, support MySQL config file option group names.
650
7f06582c
JH
651JH/21 Bug 1720: Add support for priority groups and weighted-random proxy
652 selection for the EXPERIMENTAL_SOCKS feature, via new per-proxy options
653 "pri" and "weight". Note that the previous implicit priority given by the
654 list order is no longer honoured.
655
4c04137d 656JH/22 Bugs 963, 1721: Fix some corner cases in message body canonicalization
abe1010c
JH
657 for DKIM processing.
658
f0989ec0
JH
659JH/23 Move SOCKS5 support from Experimental to mainline, enabled for a build
660 by defining SUPPORT_SOCKS.
74f150bf 661
cee5f132
JH
662JH/26 Move PROXY support from Experimental to mainline, enabled for a build
663 by defining SUPPORT_PROXY. Note that the proxy_required_hosts option
e6d2a989
JH
664 is renamed to hosts_proxy, and the proxy_{host,target}_{address,port}.
665 variables are renamed to proxy_{local,external}_{address,port}.
cee5f132 666
8c5d388a
JH
667JH/27 Move Internationalisation support from Experimental to mainline, enabled
668 for a build by defining SUPPORT_I18N
669
2d8d625b
JH
670JH/28 Bug 1745: Fix redis lookups to handle (quoted) spaces embedded in parts
671 of the query string, and make ${quote_redis:} do that quoting.
672
0cbf2b82
JH
673JH/29 Move Events support from Experimental to mainline, enabled by default
674 and removable for a build by defining DISABLE_EVENT.
675
f2f2c91b
JH
676JH/30 Updated DANE implementation code to current from Viktor Dukhovni.
677
ce325893
JH
678JH/31 Fix bug with hosts_connection_nolog and named-lists which were wrongly
679 cached by the daemon.
680
de78e2d5
JH
681JH/32 Move Redis support from Experimental to mainline, enabled for a build
682 by defining LOOKUP_REDIS. The libhiredis library is required.
683
379ba7d0
JH
684JH/33 Bug 1748: Permit ACL dnslists= condition in non-smtp ACLs if explicit
685 keys are given for lookup.
686
f444c2c7
JH
687JH/34 Bug 1192: replace the embedded copy of PolarSSL RSA routines in the DKIM
688 support, by using OpenSSL or GnuTLS library ones. This means DKIM is
07c73177
JH
689 only supported when built with TLS support. The PolarSSL SHA routines
690 are still used when the TLS library is too old for convenient support.
f444c2c7 691
a57b6200
JH
692JH/35 Require SINGLE_DH_USE by default in OpenSSL (main config option
693 openssl_options), for security. OpenSSL forces this from version 1.1.0
694 server-side so match that on older versions.
695
07c73177 696JH/36 Bug 1778: longstanding bug in memory use by the ${run } expansion: A fresh
fa01e4f8 697 allocation for $value could be released as the expansion processing
07c73177 698 concluded, but leaving the global pointer active for it.
fa01e4f8 699
4f6ae5c3
JH
700JH/37 Bug 1769: Permit a VRFY ACL to override the default 252 response,
701 and to use the domains and local_parts ACL conditions.
702
1bc460a6
JH
703JH/38 Fix cutthrough bug with body lines having a single dot. The dot was
704 incorrectly not doubled on cutthrough transmission, hence seen as a
705 body-termination at the receiving system - resulting in truncated mails.
62ac2eb7 706 Commonly the sender saw a TCP-level error, and retransmitted the message
1bc460a6
JH
707 via the normal store-and-forward channel. This could result in duplicates
708 received - but deduplicating mailstores were liable to retain only the
709 initial truncated version.
710
ab9152ff 711JH/39 Bug 1781: Fix use of DKIM private-keys having trailing '=' in the base-64.
df3def24 712
67e87fcf
JH
713JH/40 Fix crash in queryprogram router when compiled with EXPERIMENTAL_SRS.
714
ab9152ff
JH
715JH/41 Bug 1792: Fix selection of headers to sign for DKIM: bottom-up. While
716 we're in there, support oversigning also; bug 1309.
717
af483912
JH
718JH/42 Bug 1796: Fix error logged on a malware scanner connection failure.
719
bc3c7bb7 720HS/04 Add support for keep_environment and add_environment options.
df3def24 721
13559da6
JH
722JH/43 Tidy coding issues detected by gcc --fsanitize=undefined. Some remain;
723 either intentional arithmetic overflow during PRNG, or testing config-
724 induced overflows.
725
59eaad2b
JH
726JH/44 Bug 1800: The combination of a -bhc commandline option and cutthrough
727 delivery resulted in actual delivery. Cancel cutthrough before DATA
728 stage.
729
f9334a28
JH
730JH/45 Fix cutthrough, when connection not opened by verify and target hard-
731 rejects a recipient: pass the reject to the originator.
732
dc8091e7
JH
733JH/46 Multiple issues raised by Coverity. Some were obvious or plausible bugs.
734 Many were false-positives and ignorable, but it's worth fixing the
735 former class.
736
dfe7d917
JH
737JH/47 Fix build on HP-UX and older Solaris, which need (un)setenv now also
738 for the new environment-manipulation done at startup. Move the routines
739 from being local to tls.c to being global via the os.c file.
740
93cc2d6e
JH
741JH/48 Bug 1807: Fix ${extract } for the numeric/3-string case. While preparsing
742 an extract embedded as result-arg for a map, the first arg for extract
743 is unavailable so we cannot tell if this is a numbered or keyed
744 extraction. Accept either.
745
13559da6 746
9c695f6d
JH
747Exim version 4.86
748-----------------
4c57a40e 749
9c695f6d
JH
750JH/01 Bug 1545: The smtp transport option "retry_include_ip_address" is now
751 expanded.
752
506900af
JH
753JH/02 The smtp transport option "multi_domain" is now expanded.
754
ad07e9ad
JH
755JH/03 The smtp transport now requests PRDR by default, if the server offers
756 it.
757
01a4a5c5 758JH/04 Certificate name checking on server certificates, when exim is a client,
b3ef41c9 759 is now done by default. The transport option tls_verify_cert_hostnames
01a4a5c5
JH
760 can be used to disable this per-host. The build option
761 EXPERIMENTAL_CERTNAMES is withdrawn.
762
cb1d7830 763JH/05 The value of the tls_verify_certificates smtp transport and main options
0e0f3f56 764 default to the word "system" to access the system default CA bundle.
cb1d7830
JH
765 For GnuTLS, only version 3.0.20 or later.
766
610ff438 767JH/06 Verification of the server certificate for a TLS connection is now tried
6d580f19
JH
768 (but not required) by default. The verification status is now logged by
769 default, for both outbound TLS and client-certificate supplying inbound
770 TLS connections
610ff438 771
f926e272
JH
772JH/07 Changed the default rfc1413 lookup settings to disable calls. Few
773 sites use this now.
774
50dc7409
JH
775JH/08 The EXPERIMENTAL_DSN compile option is no longer needed; all Delivery
776 Status Notification (bounce) messages are now MIME format per RFC 3464.
777 Support for RFC 3461 DSN options NOTIFY,ENVID,RET,ORCPT can be advertised
778 under the control of the dsn_advertise_hosts option, and routers may
779 have a dsn_lasthop option.
780
0f0c8159
JH
781JH/09 A timeout of 2 minutes is now applied to all malware scanner types by
782 default, modifiable by a malware= option. The list separator for
23763898 783 the options can now be changed in the usual way. Bug 68.
4e71661f 784
1ad6489e
JH
785JH/10 The smtp_receive_timeout main option is now expanded before use.
786
aeaf5db3
JH
787JH/11 The incoming_interface log option now also enables logging of the
788 local interface on delivery outgoing connections.
789
5032d1cf
JH
790JH/12 The cutthrough-routing facility now supports multi-recipient mails,
791 if the interface and destination host and port all match.
792
7e8360e6
JH
793JH/13 Bug 344: The verify = reverse_host_lookup ACL condition now accepts a
794 /defer_ok option.
795
c5f280e2
AL
796JH/14 Bug 1573: The spam= ACL condition now additionally supports Rspamd.
797 Patch from Andrew Lewis.
798
fd4d8871 799JH/15 Bug 670: The spamd_address main option (for the spam= ACL condition)
dc7b3d36 800 now supports optional time-restrictions, weighting, and priority
fd4d8871
R
801 modifiers per server. Patch originally by <rommer@active.by>.
802
803JH/16 The spamd_address main option now supports a mixed list of local
2aad5761
JH
804 and remote servers. Remote servers can be IPv6 addresses, and
805 specify a port-range.
fd4d8871 806
23763898
JH
807JH/17 Bug 68: The spamd_address main option now supports an optional
808 timeout value per server.
809
2ad78978
JH
810JH/18 Bug 1581: Router and transport options headers_add/remove can
811 now have the list separator specified.
812
8a512ed5 813JH/19 Bug 392: spamd_address, and clamd av_scanner, now support retry
cfab9d68 814 option values.
8a512ed5 815
82c0c8ea 816JH/20 Bug 1571: Ensure that $tls_in_peerdn is set, when verification fails
f69979cf
JH
817 under OpenSSL.
818
cc00f4af
JH
819JH/21 Support for the A6 type of dns record is withdrawn.
820
82c0c8ea
JH
821JH/22 Bug 608: The result of a QUIT or not-QUIT toplevel ACL now matters
822 rather than the verbs used.
823
b980ed83
JH
824JH/23 Bug 1572: Increase limit on SMTP confirmation message copy size
825 from 255 to 1024 chars.
826
6c9ed72e
JH
827JH/24 Verification callouts now attempt to use TLS by default.
828
cfab9d68 829HS/01 DNSSEC options (dnssec_require_domains, dnssec_request_domains)
99c1bb4e 830 are generic router options now. The defaults didn't change.
50dc7409 831
f846c8f5
JH
832JH/25 Bug 466: Add RFC2322 support for MIME attachment filenames.
833 Original patch from Alexander Shikoff, worked over by JH.
834
fd4c285c
HSHR
835HS/02 Bug 1575: exigrep falls back to autodetection of compressed
836 files if ZCAT_COMMAND is not executable.
837
4c04137d 838JH/26 Bug 1539: Add timeout/retry options on dnsdb lookups.
fd7f7910 839
d2a2c69b
JH
840JH/27 Bug 286: Support SOA lookup in dnsdb lookups.
841
8241d8dd
JH
842JH/28 Bug 1588: Do not use the A lookup following an AAAA for setting the FQDN.
843 Normally benign, it bites when the pair was led to by a CNAME;
4c04137d 844 modern usage is to not canonicalize the domain to a CNAME target
8241d8dd
JH
845 (and we were inconsistent anyway for A-only vs AAAA+A).
846
1f12df4d
JH
847JH/29 Bug 1632: Removed the word "rejected" from line logged for ACL discards.
848
1f155f8e
JH
849JH/30 Check the forward DNS lookup for DNSSEC, in addition to the reverse,
850 when evaluating $sender_host_dnssec.
851
1705dd20
JH
852JH/31 Check the HELO verification lookup for DNSSEC, adding new
853 $sender_helo_dnssec variable.
854
038597d2
PP
855JH/32 Bug 1397: Enable ECDHE on OpenSSL, just the NIST P-256 curve.
856
474f71bf
JH
857JH/33 Bug 1346: Note MAIL cmd seen in -bS batch, to avoid smtp_no_mail log.
858
7137ca4b
JH
859JH/34 Bug 1648: Fix a memory leak seen with "mailq" and large queues.
860
dcb1095c
JH
861JH/35 Bug 1642: Fix support of $spam_ variables at delivery time. Was
862 documented as working, but never had. Support all but $spam_report.
863
2f460950
JH
864JH/36 Bug 1659: Guard checking of input smtp commands again pseudo-command
865 added for tls authenticator.
866
2f680c0c
HSHR
867HS/03 Add perl_taintmode main config option
868
9c695f6d 869
e449c3b0
TL
870Exim version 4.85
871-----------------
4c57a40e 872
e449c3b0
TL
873TL/01 When running the test suite, the README says that variables such as
874 no_msglog_check are global and can be placed anywhere in a specific
875 test's script, however it was observed that placement needed to be near
876 the beginning for it to behave that way. Changed the runtest perl
877 script to read through the entire script once to detect and set these
878 variables, reset to the beginning of the script, and then run through
879 the script parsing/test process like normal.
880
ac20058f
TL
881TL/02 The BSD's have an arc4random API. One of the functions to induce
882 adding randomness was arc4random_stir(), but it has been removed in
883 OpenBSD 5.5. Detect this OpenBSD version and skip calling this
884 function when detected.
885
a9b8ec8b
JH
886JH/01 Expand the EXPERIMENTAL_TPDA feature. Several different events now
887 cause callback expansion.
888
6286d7c4
TL
889TL/03 Bugzilla 1518: Clarify "condition" processing in routers; that
890 syntax errors in an expansion can be treated as a string instead of
891 logging or causing an error, due to the internal use of bool_lax
892 instead of bool when processing it.
893
0f06b4f2 894JH/02 Add EXPERIMENTAL_DANE, allowing for using the DNS as trust-anchor for
d567a64d
JH
895 server certificates when making smtp deliveries.
896
be36e572
JH
897JH/03 Support secondary-separator specifier for MX, SRV, TLSA lookups.
898
ac4ef9bd
JH
899JH/04 Add ${sort {list}{condition}{extractor}} expansion item.
900
0eb51736
TL
901TL/04 Bugzilla 1216: Add -M (related messages) option to exigrep.
902
c713ca4b
TL
903TL/05 GitHub Issue 18: Adjust logic testing for true/false in redis lookups.
904 Merged patch from Sebastian Wiedenroth.
e449c3b0 905
bd21a787
WB
906JH/05 Fix results-pipe from transport process. Several recipients, combined
907 with certificate use, exposed issues where response data items split
908 over buffer boundaries were not parsed properly. This eventually
909 resulted in duplicates being sent. This issue only became common enough
4c04137d 910 to notice due to the introduction of connection certificate information,
bd21a787
WB
911 the item size being so much larger. Found and fixed by Wolfgang Breyha.
912
8bc732e8
JH
913JH/06 Bug 1533: Fix truncation of items in headers_remove lists. A fixed
914 size buffer was used, resulting in syntax errors when an expansion
915 exceeded it.
916
a7fec7a7
JH
917JH/07 Add support for directories of certificates when compiled with a GnuTLS
918 version 3.3.6 or later.
919
4c04137d 920JH/08 Rename the TPDA experimental facility to Event Actions. The #ifdef
774ef2d7
JH
921 is EXPERIMENTAL_EVENT, the main-configuration and transport options
922 both become "event_action", the variables become $event_name, $event_data
aec45841 923 and $event_defer_errno. There is a new variable $verify_mode, usable in
723fe533
JH
924 routers, transports and related events. The tls:cert event is now also
925 raised for inbound connections, if the main configuration event_action
926 option is defined.
774ef2d7 927
eca4debb
TL
928TL/06 In test suite, disable OCSP for old versions of openssl which contained
929 early OCSP support, but no stapling (appears to be less than 1.0.0).
930
8d692470
JH
931JH/09 When compiled with OpenSSL and EXPERIMENTAL_CERTNAMES, the checks on
932 server certificate names available under the smtp transport option
933 "tls_verify_cert_hostname" now do not permit multi-component wildcard
934 matches.
935
e9477a08
JH
936JH/10 Time-related extraction expansions from certificates now use the main
937 option "timezone" setting for output formatting, and are consistent
938 between OpenSSL and GnuTLS compilations. Bug 1541.
939
ad4c5ff9
JH
940JH/11 Fix a crash in mime ACL when meeting a zero-length, quoted or RFC2047-
941 encoded parameter in the incoming message. Bug 1558.
8dea5edf
JH
942
943JH/12 Bug 1527: Autogrow buffer used in reading spool files. Since they now
944 include certificate info, eximon was claiming there were spoolfile
945 syntax errors.
946
3394b36a 947JH/13 Bug 1521: Fix ldap lookup for single-attr request, multiple-attr return.
8dea5edf
JH
948
949JH/14 Log delivery-related information more consistently, using the sequence
950 "H=<name> [<ip>]" wherever possible.
951
3394b36a
TL
952TL/07 Bug 1547: Omit RFCs from release. Draft and RFCs have licenses which
953 are problematic for Debian distribution, omit them from the release
954 tarball.
955
ad4c5ff9
JH
956JH/15 Updates and fixes to the EXPERIMENTAL_DSN feature.
957
4c04137d 958JH/16 Fix string representation of time values on 64bit time_t architectures.
ad4c5ff9
JH
959 Bug 1561.
960
961JH/17 Fix a null-indirection in certextract expansions when a nondefault
962 output list separator was used.
963
8bc732e8 964
1f0ebb98
TL
965Exim version 4.84
966-----------------
09728d20
TL
967TL/01 Bugzilla 1506: Re-add a 'return NULL' to silence complaints from static
968 checkers that were complaining about end of non-void function with no
969 return.
1f0ebb98 970
a612424f 971JH/01 Bug 1513: Fix parsing of quoted parameter values in MIME headers.
4c04137d 972 This was a regression introduced in 4.83 by another bugfix.
a612424f
JH
973
974JH/02 Fix broken compilation when EXPERIMENTAL_DSN is enabled.
975
976TL/02 Bug 1509: Fix exipick for enhanced spoolfile specification used when
a9b8ec8b 977 EXPERIMENTAL_DSN is enabled. Fix from Wolfgang Breyha.
a612424f 978
1f0ebb98 979
c0e56233
TF
980Exim version 4.83
981-----------------
982
983TF/01 Correctly close the server side of TLS when forking for delivery.
984
985 When a message was received over SMTP with TLS, Exim failed to clear up
986 the incoming connection properly after forking off the child process to
987 deliver the message. In some situations the subsequent outgoing
988 delivery connection happened to have the same fd number as the incoming
989 connection previously had. Exim would try to use TLS and fail, logging
990 a "Bad file descriptor" error.
991
7245734e
TF
992TF/02 Portability fix for building lookup modules on Solaris when the xpg4
993 utilities have not been installed.
994
fd5dad68
JH
995JH/01 Fix memory-handling in use of acl as a conditional; avoid free of
996 temporary space as the ACL may create new global variables.
997
5428a946
TL
998TL/01 LDAP support uses per connection or global context settings, depending
999 upon the detected version of the libraries at build time.
1000
a3c86431
TL
1001TL/02 Experimental Proxy Protocol support: allows a proxied SMTP connection
1002 to extract and use the src ip:port in logging and expansions as if it
8ded8589
TL
1003 were a direct connection from the outside internet. PPv2 support was
1004 updated based on HAProxy spec change in May 2014.
a3c86431 1005
aa26e137
JH
1006JH/02 Add ${listextract {number}{list}{success}{fail}}.
1007
5a1b8443
WB
1008TL/03 Bugzilla 1433: Fix DMARC SEGV with specific From header contents.
1009 Properly escape header and check for NULL return.
1010
72c9e342
PP
1011PP/01 Continue incomplete 4.82 PP/19 by fixing docs too: use dns_dnssec_ok
1012 not dns_use_dnssec.
1013
76f44207
WB
1014JH/03 Bugzilla 1157: support log_selector smtp_confirmation for lmtp.
1015
770747fd
MFM
1016TL/04 Add verify = header_names_ascii check to reject email with non-ASCII
1017 characters in header names, implemented as a verify condition.
1018 Contributed by Michael Fischer v. Mollard.
1019
8ddef691 1020TL/05 Rename SPF condition results err_perm and err_temp to standardized
982650ec
TL
1021 results permerror and temperror. Previous values are deprecated but
1022 still accepted. In a future release, err_perm and err_temp will be
1023 completely removed, which will be a backward incompatibility if the
1024 ACL tests for either of these two old results. Patch contributed by
8ddef691 1025 user bes-internal on the mailing list.
c0e56233 1026
b9c2e32f
AR
1027JH/04 Add ${utf8clean:} operator. Contributed by Alex Rau.
1028
e45a1c37
JH
1029JH/05 Bugzilla 305: Log incoming-TLS details on rejects, subject to log
1030 selectors, in both main and reject logs.
1031
67d81c10
JH
1032JH/06 Log outbound-TLS and port details, subject to log selectors, for a
1033 failed delivery.
1034
b1f8e4f8
JH
1035JH/07 Add malware type "sock" for talking to simple daemon.
1036
511a6c14 1037JH/08 Bugzilla 1371: Add tls_{,try_}verify_hosts to smtp transport.
511a6c14
JH
1038
1039JH/09 Bugzilla 1431: Support (with limitations) headers_add/headers_remove in
1040 routers/transports under cutthrough routing.
214042d2 1041
51c7471d
JH
1042JH/10 Bugzilla 1005: ACL "condition =" should accept values which are negative
1043 numbers. Touch up "bool" conditional to keep the same definition.
1044
3695be34
TL
1045TL/06 Remove duplicated language in spec file from 4.82 TL/16.
1046
1e06383a
TL
1047JH/11 Add dnsdb tlsa lookup. From Todd Lyons.
1048
76146973
JH
1049JH/12 Expand items in router/transport headers_add or headers_remove lists
1050 individually rather than the list as a whole. Bug 1452.
1051
1052 Required for reasonable handling of multiple headers_ options when
1053 they may be empty; requires that headers_remove items with embedded
1054 colons must have them doubled (or the list-separator changed).
1055
8c8b8274
TL
1056TL/07 Add new dmarc expansion variable $dmarc_domain_policy to directly
1057 view the policy declared in the DMARC record. Currently, $dmarc_status
1058 is a combined value of both the record presence and the result of the
1059 analysis.
b1f8e4f8 1060
35aba663
JH
1061JH/13 Fix handling of $tls_cipher et.al. in (non-verify) transport. Bug 1455.
1062
8c51eead 1063JH/14 New options dnssec_request_domains, dnssec_require_domains on the
578897ea
JH
1064 dnslookup router and the smtp transport (applying to the forward
1065 lookup).
8c51eead 1066
deae092e
HS
1067TL/08 Bugzilla 1453: New LDAP "SERVERS=" option allows admin to override list
1068 of ldap servers used for a specific lookup. Patch provided by Heiko
1069 Schlichting.
35aba663 1070
fd3b6a4a 1071JH/18 New options dnssec_lax, dnssec_strict on dnsdb lookups.
4e0983dc 1072 New variable $lookup_dnssec_authenticated for observability.
fd3b6a4a 1073
8d91c6dc
LT
1074TL/09 Bugzilla 609: Add -C option to exiqgrep, specify which exim.conf to use.
1075 Patch submitted by Lars Timman.
1076
2b4a568d
JH
1077JH/19 EXPERIMENTAL_OCSP support under GnuTLS. Bug 1459.
1078
d2af03f4
HS
1079TL/10 Bugzilla 1454: New -oMm option to pass message reference to Exim.
1080 Requires trusted mode and valid format message id, aborts otherwise.
1081 Patch contributed by Heiko Schlichting.
1082
9d1c15ef
JH
1083JH/20 New expansion variables tls_(in,out)_(our,peer)cert, and expansion item
1084 certextract with support for various fields. Bug 1358.
1085
44662487
JH
1086JH/21 Observability of OCSP via variables tls_(in,out)_ocsp. Stapling
1087 is requested by default, modifiable by smtp transport option
6a8a60e0
JH
1088 hosts_request_ocsp.
1089
ed3bba5f 1090JH/22 Expansion operators ${md5:string} and ${sha1:string} can now
6a8a60e0 1091 operate on certificate variables to give certificate fingerprints
9ef9101c 1092 Also new ${sha256:cert_variable}.
44662487 1093
8ccd00b1
JH
1094JH/23 The PRDR feature is moved from being Experimental into the mainline.
1095
8ded8589
TL
1096TL/11 Bug 1119: fix memory allocation in string_printing2(). Patch from
1097 Christian Aistleitner.
1098
f2de3a33
JH
1099JH/24 The OCSP stapling feature is moved from Experimental into the mainline.
1100
6eb02f88
TL
1101TL/12 Bug 1444: Fix improper \r\n sequence handling when writing spool
1102 file. Patch from Wolfgang Breyha.
1103
00bff6f6
JH
1104JH/25 Expand the coverage of the delivery $host and $host_address to
1105 client authenticators run in verify callout. Bug 1476.
1106
071c51f7
JH
1107JH/26 Port service names are now accepted for tls_on_connect_ports, to
1108 align with daemon_smtp_ports. Bug 72.
1109
a6d4c44e
TF
1110TF/03 Fix udpsend. The ip_connectedsocket() function's socket type
1111 support and error reporting did not work properly.
1112
3ae173e7
ACK
1113TL/13 Bug 1495: Exiqgrep check if -C config file specified on cli exists
1114 and is readable. Patch from Andrew Colin Kissa.
1115
c13d09b8
TL
1116TL/14 Enhance documentation of ${run expansion and how it parses the
1117 commandline after expansion, particularly in the case when an
1118 unquoted variable expansion results in an empty value.
1119
0df4ab80
JH
1120JH/27 The TLS SNI feature was broken in 4.82. Fix it.
1121
66be95e0
PP
1122PP/02 Fix internal collision of T_APL on systems which support RFC3123
1123 by renaming away from it. Addresses GH issue 15, reported by
1124 Jasper Wallace.
1125
1bd0d12b
JH
1126JH/28 Fix parsing of MIME headers for parameters with quoted semicolons.
1127
0de7239e
TL
1128TL/15 SECURITY: prevent double expansion in math comparison functions
1129 (can expand unsanitized data). Not remotely exploitable.
1130 CVE-2014-2972
1131
fd3b6a4a 1132
2c422e6f 1133Exim version 4.82
98a90c36
PP
1134-----------------
1135
1136PP/01 Add -bI: framework, and -bI:sieve for querying sieve capabilities.
1137
12f69989
PP
1138PP/02 Make -n do something, by making it not do something.
1139 When combined with -bP, the name of an option is not output.
1140
54c90be1
PP
1141PP/03 Added tls_dh_min_bits SMTP transport driver option, only honoured
1142 by GnuTLS.
1143
1f4a55da
PP
1144PP/04 First step towards DNSSEC, provide $sender_host_dnssec for
1145 $sender_host_name and config options to manage this, and basic check
1146 routines.
1147
13363eba 1148PP/05 DSCP support for outbound connections and control modifier for inbound.
36a3ae5f 1149
66645890 1150PP/06 Cyrus SASL: set local and remote IP;port properties for driver.
e402235f
PP
1151 (Only plugin which currently uses this is kerberos4, which nobody should
1152 be using, but we should make it available and other future plugins might
1153 conceivably use it, even though it would break NAT; stuff *should* be
1154 using channel bindings instead).
66645890 1155
a3fb9793 1156PP/07 Handle "exim -L <tag>" to indicate to use syslog with tag as the process
f4ee74ac
PP
1157 name; added for Sendmail compatibility; requires admin caller.
1158 Handle -G as equivalent to "control = suppress_local_fixups" (we used to
1159 just ignore it); requires trusted caller.
a3fb9793 1160 Also parse but ignore: -Ac -Am -X<logfile>
f4ee74ac 1161 Bugzilla 1117.
a3fb9793 1162
d27f98fe 1163TL/01 Bugzilla 1258 - Refactor MAIL FROM optional args processing.
98a90c36 1164
6822b909
TL
1165TL/02 Add +smtp_confirmation as a default logging option.
1166
e7568d51
TL
1167TL/03 Bugzilla 198 - Implement remove_header ACL modifier.
1168 Patch by Magnus Holmgren from 2007-02-20.
1169
ae0e32ee 1170TL/04 Bugzilla 1281 - Spec typo.
ca0ff207 1171 Bugzilla 1283 - Spec typo.
97f42f10 1172 Bugzilla 1290 - Spec grammar fixes.
ca0ff207
TL
1173
1174TL/05 Bugzilla 1285 - Spec omission, fix docbook errors for spec.txt creation.
ae0e32ee 1175
e2658fff
TL
1176TL/06 Add Experimental DMARC support using libopendmarc libraries.
1177
83712b39
TL
1178TL/07 Fix an out of order global option causing a segfault. Reported to dev
1179 mailing list by by Dmitry Isaikin.
1180
976b7e9f
JH
1181JH/01 Bugzilla 1201 & 304 - New cutthrough-delivery feature, with TLS support.
1182
be4a1376
JH
1183JH/02 Support "G" suffix to numbers in ${if comparisons.
1184
ec4b68e5
PP
1185PP/08 Handle smtp transport tls_sni option forced-fail for OpenSSL.
1186
d7148a07
NM
1187NM/01 Bugzilla 1197 - Spec typo
1188 Bugzilla 1196 - Spec examples corrections
ec4b68e5 1189
585121e2 1190JH/03 Add expansion operators ${listnamed:name} and ${listcount:string}
ec4b68e5 1191
2519e60d
TL
1192PP/09 Add gnutls_allow_auto_pkcs11 option (was originally called
1193 gnutls_enable_pkcs11, but renamed to more accurately indicate its
1194 function.
a5f239e4 1195
13d08c90
PP
1196PP/10 Let Linux makefile inherit CFLAGS/CFLAGS_DYNAMIC.
1197 Pulled from Debian 30_dontoverridecflags.dpatch by Andreas Metzler.
1198
bef3ea7f
JH
1199JH/04 Add expansion item ${acl {name}{arg}...}, expansion condition
1200 "acl {{name}{arg}...}", and optional args on acl condition
1201 "acl = name arg..."
a5f239e4 1202
846726c5
JH
1203JH/05 Permit multiple router/transport headers_add/remove lines.
1204
3a796370
JH
1205JH/06 Add dnsdb pseudo-lookup "a+" to do an "aaaa" + "a" combination.
1206
ea722490 1207JH/07 Avoid using a waiting database for a single-message-only transport.
8b260705
PP
1208 Performance patch from Paul Fisher. Bugzilla 1262.
1209
b1b05573
JH
1210JH/08 Strip leading/trailing newlines from add_header ACL modifier data.
1211 Bugzilla 884.
1212
362145b5
JH
1213JH/09 Add $headers_added variable, with content from use of ACL modifier
1214 add_header (but not yet added to the message). Bugzilla 199.
1215
3c0a92dc
JH
1216JH/10 Add 8bitmime log_selector, for 8bitmime status on the received line.
1217 Pulled from Bugzilla 817 by Wolfgang Breyha.
1218
6d7c6175
PP
1219PP/11 SECURITY: protect DKIM DNS decoding from remote exploit.
1220 CVE-2012-5671
e78e6ecf 1221 (nb: this is the same fix as in Exim 4.80.1)
6d7c6175 1222
6f123593
JH
1223JH/11 Add A= logging on delivery lines, and a client_set_id option on
1224 authenticators.
1225
c8e2fc1e
JH
1226JH/12 Add optional authenticated_sender logging to A= and a log_selector
1227 for control.
1228
005ac57f
PP
1229PP/12 Unbreak server_set_id for NTLM/SPA auth, broken by 4.80 PP/29.
1230
3f1df0e3
PP
1231PP/13 Dovecot auth: log better reason to rejectlog if Dovecot did not
1232 advertise SMTP AUTH mechanism to us, instead of a generic
1233 protocol violation error. Also, make Exim more robust to bad
1234 data from the Dovecot auth socket.
1235
67bd1ab3
TF
1236TF/01 Fix ultimate retry timeouts for intermittently deliverable recipients.
1237
1238 When a queue runner is handling a message, Exim first routes the
1239 recipient addresses, during which it prunes them based on the retry
1240 hints database. After that it attempts to deliver the message to
1241 any remaining recipients. It then updates the hints database using
1242 the retry rules.
1243
1244 So if a recipient address works intermittently, it can get repeatedly
1245 deferred at routing time. The retry hints record remains fresh so the
1246 address never reaches the final cutoff time.
1247
1248 This is a fairly common occurrence when a user is bumping up against
1249 their storage quota. Exim had some logic in its local delivery code
1250 to deal with this. However it did not apply to per-recipient defers
1251 in remote deliveries, e.g. over LMTP to a separate IMAP message store.
1252
1ddeb334
TF
1253 This change adds a proper retry rule check during routing so that the
1254 final cutoff time is checked against the message's age. We only do
1255 this check if there is an address retry record and there is not a
1256 domain retry record; this implies that previous attempts to handle
1257 the address had the retry_use_local_parts option turned on. We use
1258 this as an approximation for the destination being like a local
1259 delivery, as in LMTP.
67bd1ab3
TF
1260
1261 I suspect this new check makes the old local delivery cutoff check
1262 redundant, but I have not verified this so I left the code in place.
1263
326cdc37
TF
1264TF/02 Correct gecos expansion when From: is a prefix of the username.
1265
1266 Test 0254 submits a message to Exim with the header
1267
1268 Resent-From: f
1269
1270 When I ran the test suite under the user fanf2, Exim expanded
1271 the header to contain my full name, whereas it should have added
1272 a Resent-Sender: header. It erroneously treats any prefix of the
1273 username as equal to the username.
1274
1275 This change corrects that bug.
1276
f62514b3
GF
1277GF/01 DCC debug and logging tidyup
1278 Error conditions log to paniclog rather than rejectlog.
1279 Debug lines prefixed by "DCC: " to remove any ambiguity.
1280
eb505532
TF
1281TF/03 Avoid unnecessary rebuilds of lookup-related code.
1282
14c7b357
PP
1283PP/14 Fix OCSP reinitialisation in SNI handling for Exim/TLS as server.
1284 Bug spotted by Jeremy Harris; was flawed since initial commit.
1285 Would have resulted in OCSP responses post-SNI triggering an Exim
1286 NULL dereference and crash.
1287
94eaf700
PP
1288JH/13 Add $router_name and $transport_name variables. Bugzilla 308.
1289
6f5a440a
PP
1290PP/15 Define SIOCGIFCONF_GIVES_ADDR for GNU Hurd.
1291 Bug detection, analysis and fix by Samuel Thibault.
1292 Bugzilla 1331, Debian bug #698092.
1293
514ee161
SC
1294SC/01 Update eximstats to watch out for senders sending 'HELO [IpAddr]'
1295
fd98a5c6
JH
1296JH/14 SMTP PRDR (http://www.eric-a-hall.com/specs/draft-hall-prdr-00.txt).
1297 Server implementation by Todd Lyons, client by JH.
1298 Only enabled when compiled with EXPERIMENTAL_PRDR. A new
1299 config variable "prdr_enable" controls whether the server
1300 advertises the facility. If the client requests PRDR a new
1301 acl_data_smtp_prdr ACL is called once for each recipient, after
1302 the body content is received and before the acl_smtp_data ACL.
4c04137d 1303 The client is controlled by both of: a hosts_try_prdr option
fd98a5c6
JH
1304 on the smtp transport, and the server advertisement.
1305 Default client logging of deliveries and rejections involving
1306 PRDR are flagged with the string "PRDR".
1307
035c7f1e
PP
1308PP/16 Fix problems caused by timeouts during quit ACLs trying to double
1309 fclose(). Diagnosis by Todd Lyons.
1310
ff284120
PP
1311PP/17 Update configure.default to handle IPv6 localhost better.
1312 Patch by Alain Williams (plus minor tweaks).
1313 Bugzilla 880.
1314
26e72755
PP
1315PP/18 OpenSSL made graceful with empty tls_verify_certificates setting.
1316 This is now consistent with GnuTLS, and is now documented: the
1317 previous undocumented portable approach to treating the option as
1318 unset was to force an expansion failure. That still works, and
1319 an empty string is now equivalent.
1320
0fbd9bff
PP
1321PP/19 Renamed DNSSEC-enabling option to "dns_dnssec_ok", to make it
1322 clearer that Exim is using the DO (DNSSEC OK) EDNS0 resolver flag,
1323 not performing validation itself.
1324
700d22f3
PP
1325PP/20 Added force_command boolean option to pipe transport.
1326 Patch from Nick Koston, of cPanel Inc.
1327
fcc8e047
JH
1328JH/15 AUTH support on callouts (and hence cutthrough-deliveries).
1329 Bugzilla 321, 823.
1330
4c04137d 1331TF/04 Added udpsend ACL modifier and hexquote expansion operator
7142daca 1332
8c020188
PP
1333PP/21 Fix eximon continuous updating with timestamped log-files.
1334 Broken in a format-string cleanup in 4.80, missed when I repaired the
1335 other false fix of the same issue.
1336 Report and fix from Heiko Schlichting.
1337 Bugzilla 1363.
1338
d13cdd30
PP
1339PP/22 Guard LDAP TLS usage against Solaris LDAP variant.
1340 Report from Prashanth Katuri.
1341
e2fbf4a2
PP
1342PP/23 Support safari_ecdhe_ecdsa_bug for openssl_options.
1343 It's SecureTransport, so affects any MacOS clients which use the
1344 system-integrated TLS libraries, including email clients.
1345
f4c1088b
PP
1346PP/24 Fix segfault from trying to fprintf() to a NULL stdio FILE* if
1347 using a MIME ACL for non-SMTP local injection.
1348 Report and assistance in diagnosis by Warren Baker.
1349
c5c2182f
PP
1350TL/08 Adjust exiqgrep to be case-insensitive for sender/receiver.
1351
73431ca9
JH
1352JH/16 Fix comparisons for 64b. Bugzilla 1385.
1353
2d07a215
TL
1354TL/09 Add expansion variable $authenticated_fail_id to keep track of
1355 last id that failed so it may be referenced in subsequent ACL's.
1356
a30a8861
TL
1357TL/10 Bugzilla 1375 - Prevent TLS rebinding in ldap. Patch provided by
1358 Alexander Miroch.
1359
33382dd9
TL
1360TL/11 Bugzilla 1382 - Option ldap_require_cert overrides start_tls
1361 ldap library initialization, allowing self-signed CA's to be
1362 used. Also properly sets require_cert option later in code by
1363 using NULL (global ldap config) instead of ldap handle (per
1364 session). Bug diagnosis and testing by alxgomz.
6d7c6175 1365
046172e6
TL
1366TL/12 Enhanced documentation in the ratelimit.pl script provided in
1367 the src/util/ subdirectory.
1368
581d7bee 1369TL/13 Bug 1031 - Imported transport SQL logging patch from Axel Rau
1a7b746d 1370 renamed to Transport Post Delivery Action by Jeremy Harris, as
9bdd29ad
TL
1371 EXPERIMENTAL_TPDA.
1372
1373TL/14 Bugzilla 1217 - Redis lookup support has been added. It is only enabled
1374 when Exim is compiled with EXPERIMENTAL_REDIS. A new config variable
1375 redis_servers = needs to be configured which will be used by the redis
1376 lookup. Patch from Warren Baker, of The Packet Hub.
1377
237b2cf2
TL
1378TL/15 Fix exiqsumm summary for corner case. Patch provided by Richard Hall.
1379
9fc5a352
TL
1380TL/16 Bugzilla 1289 - Clarify host/ip processing when have errors looking up a
1381 hostname or reverse DNS when processing a host list. Used suggestions
1382 from multiple comments on this bug.
1a7b746d 1383
b10e4ec2
TL
1384TL/17 Bugzilla 1057 - Multiple clamd TCP targets patch from Mark Zealey.
1385
e2cebd74
TL
1386TL/18 Had previously added a -CONTINUE option to runtest in the test suite.
1387 Missed a few lines, added it to make the runtest require no keyboard
1388 interaction.
1389
1390TL/19 Bugzilla 1402 - Test 533 fails if any part of the path to the test suite
1391 contains upper case chars. Make router use caseful_local_part.
1392
2519e60d
TL
1393TL/20 Bugzilla 1400 - Add AVOID_GNUTLS_PKCS11 build option. Allows GnuTLS
1394 support when GnuTLS has been built with p11-kit.
1395
e78e6ecf 1396
4263f395
PP
1397Exim version 4.80.1
1398-------------------
1399
1400PP/01 SECURITY: protect DKIM DNS decoding from remote exploit.
1401 CVE-2012-5671
2c422e6f 1402 This, or similar/improved, will also be change PP/11 of 4.82.
3c0a92dc 1403
ea722490 1404
b1770b6e 1405Exim version 4.80
0599f9cf
PP
1406-----------------
1407
1408PP/01 Handle short writes when writing local log-files.
1409 In practice, only affects FreeBSD (8 onwards).
1410 Bugzilla 1053, with thanks to Dmitry Isaikin.
1411
23c7e742
NM
1412NM/01 Bugzilla 949 - Documentation tweak
1413
b322aac8
NM
1414NM/02 Bugzilla 1093 - eximstats DATA reject detection regexps
1415 improved.
1416
4a891427
NM
1417NM/03 Bugzilla 1169 - primary_hostname spelling was incorrect in docs.
1418
c1e794ba 1419PP/02 Implemented gsasl authenticator.
b322aac8 1420
97753960
PP
1421PP/03 Implemented heimdal_gssapi authenticator with "server_keytab" option.
1422
1423PP/04 Local/Makefile support for (AUTH|LOOKUP)_*_PC=foo to use
1424 `pkg-config foo` for cflags/libs.
1425
df6303fa
PP
1426PP/05 Swapped $auth1/$auth2 for gsasl GSSAPI mechanism, to be more consistent
1427 with rest of GSASL and with heimdal_gssapi.
1428
7e6a8985
PP
1429PP/06 Local/Makefile support for USE_(GNUTLS|OPENSSL)_PC=foo to use
1430 `pkg-config foo` for cflags/libs for the TLS implementation.
1431
f1e05cc7 1432PP/07 New expansion variable $tls_bits; Cyrus SASL server connection
20aa9dbd
PP
1433 properties get this fed in as external SSF. A number of robustness
1434 and debugging improvements to the cyrus_sasl authenticator.
b322aac8 1435
4c287009
PP
1436PP/08 cyrus_sasl server now expands the server_realm option.
1437
b98bb9ac
PP
1438PP/09 Bugzilla 1214 - Log authentication information in reject log.
1439 Patch by Jeremy Harris.
1440
4a6a987a
PP
1441PP/10 Added dbmjz lookup type.
1442
c45dd180 1443PP/11 Let heimdal_gssapi authenticator take a SASL message without an authzid.
c7955b11 1444
7db8d074
PP
1445PP/12 MAIL args handles TAB as well as SP, for better interop with
1446 non-compliant senders.
1447 Analysis and variant patch by Todd Lyons.
1448
eae0036b 1449NM/04 Bugzilla 1237 - fix cases where printf format usage not indicated
cfab9d68 1450 Bug report from Lars Müller <lars@samba.org> (via SUSE),
e0df1c83
DM
1451 Patch from Dirk Mueller <dmueller@suse.com>
1452
dec5017e
PP
1453PP/13 tls_peerdn now print-escaped for spool files.
1454 Observed some $tls_peerdn in wild which contained \n, which resulted
1455 in spool file corruption.
1456
c80c5570
PP
1457PP/14 TLS fixes for OpenSSL: support TLS 1.1 & 1.2; new "openssl_options"
1458 values; set SSL_MODE_AUTO_RETRY so that OpenSSL will retry a read
1459 or write after TLS renegotiation, which otherwise led to messages
1460 "Got SSL error 2".
1461
076b11e2
PP
1462TK/01 Bugzilla 1239 - fix DKIM verification when signature was not inserted
1463 as a tracking header (ie: a signed header comes before the signature).
1464 Patch from Wolfgang Breyha.
1465
5407bfff
JH
1466JH/01 Bugzilla 660 - Multi-valued attributes from ldap now parseable as a
1467 comma-sep list; embedded commas doubled.
1468
9e45c72b
PP
1469JH/02 Refactored ACL "verify =" logic to table-driven dispatch.
1470
e74376d8
PP
1471PP/15 LDAP: Check for errors of TLS initialisation, to give correct
1472 diagnostics.
1473 Report and patch from Dmitry Banschikov.
1474
4c04137d 1475PP/16 Removed "dont_insert_empty_fragments" from "openssl_options".
da3ad30d
PP
1476 Removed SSL_clear() after SSL_new() which led to protocol negotiation
1477 failures. We appear to now support TLS1.1+ with Exim.
1478
7be682ca
PP
1479PP/17 OpenSSL: new expansion var $tls_sni, which if used in tls_certificate
1480 lets Exim select keys and certificates based upon TLS SNI from client.
3f0945ff
PP
1481 Also option tls_sni on SMTP Transports. Also clear $tls_bits correctly
1482 before an outbound SMTP session. New log_selector, +tls_sni.
7be682ca 1483
ef840681
PP
1484PP/18 Bugzilla 1122 - check localhost_number expansion for failure, avoid
1485 NULL dereference. Report and patch from Alun Jones.
1486
5bfb4cdf
PP
1487PP/19 DNS resolver init changes for NetBSD compatibility. (Risk of breakage
1488 on less well tested platforms). Obviates NetBSD pkgsrc patch-ac.
1489 Not seeing resolver debug output on NetBSD, but suspect this is a
1490 resolver implementation change.
1491
c6e95d22
PP
1492PP/20 Revert part of NM/04, it broke log_path containing %D expansions.
1493 Left warnings. Added "eximon gdb" invocation mode.
1494
9cbad13b
PP
1495PP/21 Defaulting "accept_8bitmime" to true, not false.
1496
9ee44efb
PP
1497PP/22 Added -bw for inetd wait mode support.
1498
6a6084f8
PP
1499PP/23 Added PCRE_CONFIG=yes support to Makefile for using pcre-config to
1500 locate the relevant includes and libraries. Made this the default.
1501
12dd53c7
PP
1502PP/24 Fixed headers_only on smtp transports (was not sending trailing dot).
1503 Bugzilla 1246, report and most of solution from Tomasz Kusy.
1504
9e45c72b 1505JH/03 ${eval } now uses 64-bit and supports a "g" suffix (like to "k" and "m").
97d17305
JH
1506 This may cause build issues on older platforms.
1507
17c76198
PP
1508PP/25 Revamped GnuTLS support, passing tls_require_ciphers to
1509 gnutls_priority_init, ignoring Exim options gnutls_require_kx,
1510 gnutls_require_mac & gnutls_require_protocols (no longer supported).
1511 Added SNI support via GnuTLS too.
af3498d6 1512 Made ${randint:..} supplier available, if using not-too-old GnuTLS.
17c76198 1513
53947857 1514PP/26 Added EXPERIMENTAL_OCSP for OpenSSL.
3f7eeb86 1515
eae0036b 1516PP/27 Applied dnsdb SPF support patch from Janne Snabb.
8ee4b30e
PP
1517 Applied second patch from Janne, implementing suggestion to default
1518 multiple-strings-in-record handling to match SPF spec.
eae0036b 1519
9e45c72b 1520JH/04 Added expansion variable $tod_epoch_l for a higher-precision time.
2605c55b 1521
7390e768
PP
1522PP/28 Fix DCC dcc_header content corruption (stack memory referenced,
1523 read-only, out of scope).
1524 Patch from Wolfgang Breyha, report from Stuart Northfield.
1525
08488c86
PP
1526PP/29 Fix three issues highlighted by clang analyser static analysis.
1527 Only crash-plausible issue would require the Cambridge-specific
1528 iplookup router and a misconfiguration.
1529 Report from Marcin Mirosław.
1530
6475bd82
PP
1531PP/30 Another attempt to deal with PCRE_PRERELEASE, this one less buggy.
1532
81f91683
PP
1533PP/31 %D in printf continues to cause issues (-Wformat=security), so for
1534 now guard some of the printf checks behind WANT_DEEPER_PRINTF_CHECKS.
1535 As part of this, removing so much warning spew let me fix some minor
1536 real issues in debug logging.
1537
5779e6aa
PP
1538PP/32 GnuTLS was always using default tls_require_ciphers, due to a missing
1539 assignment on my part. Fixed.
1540
3375e053
PP
1541PP/33 Added tls_dh_max_bits option, defaulting to current hard-coded limit
1542 of NSS, for GnuTLS/NSS interop. Problem root cause diagnosis by
1543 Janne Snabb (who went above and beyond: thank you).
1544
1545PP/34 Validate tls_require_ciphers on startup, since debugging an invalid
1546 string otherwise requires a connection and a bunch more work and it's
78e0c7a3
PP
1547 relatively easy to get wrong. Should also expose TLS library linkage
1548 problems.
3375e053 1549
9d26b8c0
PP
1550PP/35 Pull in <features.h> on Linux, for some portability edge-cases of
1551 64-bit ${eval} (JH/03).
1552
57eb9e91 1553PP/36 Define _GNU_SOURCE in exim.h; it's needed for some releases of
b87a6e0e
PP
1554 GNU libc to support some of the 64-bit stuff, should not lead to
1555 conflicts. Defined before os.h is pulled in, so if a given platform
1556 needs to override this, it can.
1557
16880d1a
PP
1558PP/37 Unbreak Cyrus SASL auth: SSF retrieval was incorrect, Exim thought
1559 protection layer was required, which is not implemented.
1560 Bugzilla 1254, patch from Wolfgang Breyha.
1561
a799883d
PP
1562PP/38 Overhaul DH prime handling, supply RFC-specified DH primes as built
1563 into Exim, default to IKE id 23 from RFC 5114 (2048 bit). Make
1564 tls_dhparam take prime identifiers. Also unbreak combination of
1565 OpenSSL+DH_params+TLSSNI.
1566
3ecab157 1567PP/39 Disable SSLv2 by default in OpenSSL support.
f0f5a555 1568
0599f9cf 1569
867fcbf5
PP
1570Exim version 4.77
1571-----------------
1572
1573PP/01 Solaris build fix for Oracle's LDAP libraries.
1574 Bugzilla 1109, patch from Stephen Usher.
1575
f1a29782
TF
1576TF/01 HP/UX build fix: avoid arithmetic on a void pointer.
1577
ab42bd23
TK
1578TK/01 DKIM Verification: Fix relaxed canon for empty headers w/o
1579 whitespace trailer
867fcbf5 1580
0ca0cf52
TF
1581TF/02 Fix a couple more cases where we did not log the error message
1582 when unlink() failed. See also change 4.74-TF/03.
1583
921b12ca
TF
1584TF/03 Make the exiwhat support code safe for signals. Previously Exim might
1585 lock up or crash if it happened to be inside a call to libc when it
1586 got a SIGUSR1 from exiwhat.
1587
1588 The SIGUSR1 handler appends the current process status to the process
1589 log which is later printed by exiwhat. It used to use the general
1590 purpose logging code to do this, but several functions it calls are
1591 not safe for signals.
1592
1593 The new output code in the SIGUSR1 handler is specific to the process
1594 log, and simple enough that it's easy to inspect for signal safety.
1595 Removing some special cases also simplifies the general logging code.
1596 Removing the spurious timestamps from the process log simplifies
1597 exiwhat.
1598
c99ce5c9
TF
1599TF/04 Improved ratelimit ACL condition.
1600
1601 The /noupdate option has been deprecated in favour of /readonly which
1602 has clearer semantics. The /leaky, /strict, and /readonly update modes
1603 are mutually exclusive. The update mode is no longer included in the
1604 database key; it just determines when the database is updated. (This
4c04137d 1605 means that when you upgrade Exim will forget old rate measurements.)
c99ce5c9
TF
1606
1607 Exim now checks that the per_* options are used with an update mode that
1608 makes sense for the current ACL. For example, when Exim is processing a
1609 message (e.g. acl_smtp_rcpt or acl_smtp_data, etc.) you can specify
1610 per_mail/leaky or per_mail/strict; otherwise (e.g. in acl_smtp_helo) you
1611 must specify per_mail/readonly. If you omit the update mode it defaults to
1612 /leaky where that makes sense (as before) or /readonly where required.
1613
1614 The /noupdate option is now undocumented but still supported for
1615 backwards compatibility. It is equivalent to /readonly except that in
1616 ACLs where /readonly is required you may specify /leaky/noupdate or
1617 /strict/noupdate which are treated the same as /readonly.
1618
1619 A useful new feature is the /count= option. This is a generalization
1620 of the per_byte option, so that you can measure the throughput of other
1621 aggregate values. For example, the per_byte option is now equivalent
1622 to per_mail/count=${if >{0}{$message_size} {0} {$message_size} }.
1623
1624 The per_rcpt option has been generalized using the /count= mechanism
1625 (though it's more complicated than the per_byte equivalence). When it is
1626 used in acl_smtp_rcpt, the per_rcpt option adds recipients to the
1627 measured rate one at a time; if it is used later (e.g. in acl_smtp_data)
1628 or in a non-SMTP ACL it adds all the recipients in one go. (The latter
1629 /count=$recipients_count behaviour used to work only in non-SMTP ACLs.)
1630 Note that using per_rcpt with a non-readonly update mode in more than
1631 one ACL will cause the recipients to be double-counted. (The per_mail
1632 and per_byte options don't have this problem.)
1633
1634 The handling of very low rates has changed slightly. If the computed rate
1635 is less than the event's count (usually one) then this event is the first
1636 after a long gap. In this case the rate is set to the same as this event's
1637 count, so that the first message of a spam run is counted properly.
1638
1639 The major new feature is a mechanism for counting the rate of unique
1640 events. The new per_addr option counts the number of different
1641 recipients that someone has sent messages to in the last time period. It
1642 behaves like per_rcpt if all the recipient addresses are different, but
1643 duplicate recipient addresses do not increase the measured rate. Like
1644 the /count= option this is a general mechanism, so the per_addr option
1645 is equivalent to per_rcpt/unique=$local_part@$domain. You can, for
1646 example, measure the rate that a client uses different sender addresses
1647 with the options per_mail/unique=$sender_address. There are further
1648 details in the main documentation.
1649
3634fc25
TF
1650TF/05 Removed obsolete $Cambridge$ CVS revision strings.
1651
792e8a19
TF
1652TF/06 Removed a few PCRE remnants.
1653
5901f0ab
TF
1654TF/07 Automatically extract Exim's version number from tags in the git
1655 repository when doing development or release builds.
1656
7f2a2a43
PP
1657PP/02 Raise smtp_cmd_buffer_size to 16kB.
1658 Bugzilla 879. Patch from Paul Fisher.
e2ca7082 1659
061b7ebd
PP
1660PP/03 Implement SSL-on-connect outbound with protocol=smtps on smtp transport.
1661 Heavily based on revision 40f9a89a from Simon Arlott's tree.
1662 Bugzilla 97.
1663
e12f8c32
PP
1664PP/04 Use .dylib instead of .so for dynamic library loading on MacOS.
1665
9e949f00 1666PP/05 Variable $av_failed, true if the AV scanner deferred.
7f2a2a43
PP
1667 Bugzilla 1078. Patch from John Horne.
1668
1669PP/06 Stop make process more reliably on build failure.
1670 Bugzilla 1087. Patch from Heiko Schlittermann.
9e949f00 1671
555ae6af 1672PP/07 Make maildir_use_size_file an _expandable_ boolean.
ac53fcda
PP
1673 Bugzilla 1089. Patch from Heiko Schlittermann.
1674
1675PP/08 Handle ${run} returning more data than OS pipe buffer size.
1676 Bugzilla 1131. Patch from Holger Weiß.
555ae6af 1677
6f7fe114
PP
1678PP/09 Handle IPv6 addresses with SPF.
1679 Bugzilla 860. Patch from Wolfgang Breyha.
1680
c566dd90
PP
1681PP/10 GnuTLS: support TLS 1.2 & 1.1.
1682 Bugzilla 1156.
89f897c3
PP
1683 Use gnutls_certificate_verify_peers2() [patch from Andreas Metzler].
1684 Bugzilla 1095.
c566dd90 1685
d6cc7c78 1686PP/11 match_* no longer expand right-hand-side by default.
39257585
PP
1687 New compile-time build option, EXPAND_LISTMATCH_RHS.
1688 New expansion conditions, "inlist", "inlisti".
1689
0d0e4455
PP
1690PP/12 fix uninitialised greeting string from PP/03 (smtps client support).
1691
3399bb60 1692PP/13 shell and compiler warnings fixes for RC1-RC4 changes.
d690cbdc
PP
1693
1694PP/14 fix log_write() format string regression from TF/03.
1695 Bugzilla 1152. Patch from Dmitry Isaikin.
1696
0ca0cf52 1697
10906672
PP
1698Exim version 4.76
1699-----------------
1700
1701PP/01 The new ldap_require_cert option would segfault if used. Fixed.
1702
754a0503
PP
1703PP/02 Harmonised TLS library version reporting; only show if debugging.
1704 Layout now matches that introduced for other libraries in 4.74 PP/03.
1705
c0c7b2da
PP
1706PP/03 New openssl_options items: no_sslv2 no_sslv3 no_ticket no_tlsv1
1707
e97d1f08
PP
1708PP/04 New "dns_use_edns0" global option.
1709
084c1d8c
PP
1710PP/05 Don't segfault on misconfiguration of ref:name exim-user as uid.
1711 Bugzilla 1098.
1712
4e7ee012
PP
1713PP/06 Extra paranoia around buffer usage at the STARTTLS transition.
1714 nb: Exim is not vulnerable to http://www.kb.cert.org/vuls/id/555316
da80c2a8 1715
c8d52a00
PP
1716TK/01 Updated PolarSSL code to 0.14.2.
1717 Bugzilla 1097. Patch from Andreas Metzler.
1718
54e7ce4a
PP
1719PP/07 Catch divide-by-zero in ${eval:...}.
1720 Fixes bugzilla 1102.
1721
5ee6f336
PP
1722PP/08 Condition negation of bool{}/bool_lax{} did not negate. Fixed.
1723 Bugzilla 1104.
1724
c8d52a00 1725TK/02 Bugzilla 1106: CVE-2011-1764 - DKIM log line was subject to a
6ea4a851
PP
1726 format-string attack -- SECURITY: remote arbitrary code execution.
1727
1728TK/03 SECURITY - DKIM signature header parsing was double-expanded, second
1729 time unintentionally subject to list matching rules, letting the header
1730 cause arbitrary Exim lookups (of items which can occur in lists, *not*
1731 arbitrary string expansion). This allowed for information disclosure.
1732
1733PP/09 Fix another SIGFPE (x86) in ${eval:...} expansion, this time related to
1734 INT_MIN/-1 -- value coerced to INT_MAX.
c8d52a00 1735
10906672 1736
aa097c4c
NM
1737Exim version 4.75
1738-----------------
1739
4c04137d 1740NM/01 Workaround for PCRE version dependency in version reporting
aa097c4c
NM
1741 Bugzilla 1073
1742
7f3d9eff
TF
1743TF/01 Update valgrind.h and memcheck.h to copies from valgrind-3.6.0.
1744 This fixes portability to compilers other than gcc, notably
1745 Solaris CC and HP-UX CC. Fixes Bugzilla 1050.
1746
159f52d2
TF
1747TF/02 Bugzilla 139: Avoid using the += operator in the modular lookup
1748 makefiles for portability to HP-UX and POSIX correctness.
1749
0cc9542a
PP
1750PP/01 Permit LOOKUP_foo enabling on the make command-line.
1751 Also via indented variable definition in the Makefile.
1752 (Debugging by Oliver Heesakkers).
1753
f7274286
PP
1754PP/02 Restore caching of spamd results with expanded spamd_address.
1755 Patch from author of expandable spamd_address patch, Wolfgang Breyha.
1756
7b797365
PP
1757PP/03 Build issue: lookups-Makefile now exports LC_ALL=C
1758 Improves build reliability. Fix from: Frank Elsner
1759
caacae52
NM
1760NM/02 Fix wide character breakage in the rfc2047 coding
1761 Fixes bug 1064. Patch from Andrey N. Oktyabrski
1762
09dcaba9
NM
1763NM/03 Allow underscore in dnslist lookups
1764 Fixes bug 1026. Patch from Graeme Fowler
1765
bc19a55b
PP
1766PP/04 Bugzilla 230: Support TLS-enabled LDAP (in addition to ldaps).
1767 Code patches from Adam Ciarcinski of NetBSD.
caacae52 1768
bd4c9759
NM
1769NM/04 Fixed exiqgrep to cope with mailq missing size issue
1770 Fixes bug 943.
1771
b72aab72
PP
1772PP/05 Bugzilla 1083: when lookup expansion defers, escape the output which
1773 is logged, to avoid truncation. Patch from John Horne.
1774
2fe76745
PP
1775PP/06 Bugzilla 1042: implement freeze_signal on pipe transports.
1776 Patch from Jakob Hirsch.
1777
76aa570c
PP
1778PP/07 Bugzilla 1061: restrict error messages sent over SMTP to not reveal
1779 SQL string expansion failure details.
1780 Patch from Andrey Oktyabrski.
1781
f1e5fef5
PP
1782PP/08 Bugzilla 486: implement %M datestamping in log filenames.
1783 Patch from Simon Arlott.
1784
4d805ee9
PP
1785PP/09 New lookups functionality failed to compile on old gcc which rejects
1786 extern declarations in function scope.
1787 Patch from Oliver Fleischmann
1788
cd59ab18
PP
1789PP/10 Use sig_atomic_t for flags set from signal handlers.
1790 Check getgroups() return and improve debugging.
1791 Fixed developed for diagnosis in bug 927 (which turned out to be
1792 a kernel bug).
1793
332f5cf3
PP
1794PP/11 Bugzilla 1055: Update $message_linecount for maildir_tag.
1795 Patch from Mark Zealey.
1796
29cfeb94
PP
1797PP/12 Bugzilla 1056: Improved spamd server selection.
1798 Patch from Mark Zealey.
1799
660242ad
PP
1800PP/13 Bugzilla 1086: Deal with maildir quota file races.
1801 Based on patch from Heiko Schlittermann.
1802
bc4bc4c5
PP
1803PP/14 Bugzilla 1019: DKIM multiple signature generation fix.
1804 Patch from Uwe Doering, sign-off by Michael Haardt.
1805
2e64baa9
NM
1806NM/05 Fix to spam.c to accommodate older gcc versions which dislike
1807 variable declaration deep within a block. Bug and patch from
1808 Dennis Davis.
1809
4c04137d 1810PP/15 lookups-Makefile IRIX compatibility coercion.
bddd7526 1811
6bac1a9a
PP
1812PP/16 Make DISABLE_DKIM build knob functional.
1813
552193f0
NM
1814NM/06 Bugzilla 968: child_open_uid: restore default SIGPIPE handler
1815 Patch by Simon Arlott
baeee2c1 1816
1b587e48
TF
1817TF/03 Fix valgrind.h portability to C89 compilers that do not support
1818 variable argument macros. Our copy now differs from upstream.
1819
aa097c4c 1820
8c07b69f
TF
1821Exim version 4.74
1822-----------------
1823
1824TF/01 Failure to get a lock on a hints database can have serious
1825 consequences so log it to the panic log.
1826
c0ea85ab
TF
1827TF/02 Log LMTP confirmation messages in the same way as SMTP,
1828 controlled using the smtp_confirmation log selector.
1829
0761d44e
TF
1830TF/03 Include the error message when we fail to unlink a spool file.
1831
0a349494
PP
1832DW/01 Bugzilla 139: Support dynamically loaded lookups as modules.
1833 With thanks to Steve Haslam, Johannes Berg & Serge Demonchaux
1834 for maintaining out-of-tree patches for some time.
1835
1836PP/01 Bugzilla 139: Documentation and portability issues.
1837 Avoid GNU Makefile-isms, let Exim continue to build on BSD.
1838 Handle per-OS dynamic-module compilation flags.
1839
fea24b2e
PP
1840PP/02 Let /dev/null have normal permissions.
1841 The 4.73 fixes were a little too stringent and complained about the
1842 permissions on /dev/null. Exempt it from some checks.
1843 Reported by Andreas M. Kirchwitz.
1844
6545de78
PP
1845PP/03 Report version information for many libraries, including
1846 Exim version information for dynamically loaded libraries. Created
1847 version.h, now support a version extension string for distributors
1848 who patch heavily. Dynamic module ABI change.
1849
1670ef10
PP
1850PP/04 CVE-2011-0017 - check return value of setuid/setgid. This is a
1851 privilege escalation vulnerability whereby the Exim run-time user
1852 can cause root to append content of the attacker's choosing to
1853 arbitrary files.
1854
c0886197
PP
1855PP/05 Bugzilla 1041: merged DCC maintainer's fixes for return code.
1856 (Wolfgang Breyha)
1857
b7487bce
PP
1858PP/06 Bugzilla 1071: fix delivery logging with untrusted macros.
1859 If dropping privileges for untrusted macros, we disabled normal logging
1860 on the basis that it would fail; for the Exim run-time user, this is not
1861 the case, and it resulted in successful deliveries going unlogged.
1862 Fixed. Reported by Andreas Metzler.
1863
8c07b69f 1864
97fd1e48 1865Exim version 4.73
ed7f7860 1866-----------------
97fd1e48
PP
1867
1868PP/01 Date: & Message-Id: revert to normally being appended to a message,
1869 only prepend for the Resent-* case. Fixes regression introduced in
1870 Exim 4.70 by NM/22 for Bugzilla 607.
1871
6901c596
PP
1872PP/02 Include check_rfc2047_length in configure.default because we're seeing
1873 increasing numbers of administrators be bitten by this.
1874
a8c8d6b5
JJ
1875JJ/01 Added DISABLE_DKIM and comment to src/EDITME
1876
77bb000f
PP
1877PP/03 Bugzilla 994: added openssl_options main configuration option.
1878
a29e5231
PP
1879PP/04 Bugzilla 995: provide better SSL diagnostics on failed reads.
1880
ec5a0394 1881PP/05 Bugzilla 834: provide a permit_coredump option for pipe transports.
a29e5231 1882
55c75993
PP
1883PP/06 Adjust NTLM authentication to handle SASL Initial Response.
1884
453a6645 1885PP/07 If TLS negotiated an anonymous cipher, we could end up with SSL but
ec5a0394
PP
1886 without a peer certificate, leading to a segfault because of an
1887 assumption that peers always have certificates. Be a little more
453a6645
PP
1888 paranoid. Problem reported by Martin Tscholak.
1889
8544e77a
PP
1890PP/08 Bugzilla 926: switch ClamAV to use the new zINSTREAM API for content
1891 filtering; old API available if built with WITH_OLD_CLAMAV_STREAM=yes
1892 NB: ClamAV planning to remove STREAM in "middle of 2010".
3346ab01
PP
1893 CL also introduces -bmalware, various -d+acl logging additions and
1894 more caution in buffer sizes.
8544e77a 1895
83e029d5
PP
1896PP/09 Implemented reverse_ip expansion operator.
1897
ed7f7860
PP
1898PP/10 Bugzilla 937: provide a "debug" ACL control.
1899
7d9f747b
PP
1900PP/11 Bugzilla 922: Documentation dusting, patch provided by John Horne.
1901
4b2241d2
PP
1902PP/12 Bugzilla 973: Implement --version.
1903
10385c15
PP
1904PP/13 Bugzilla 752: Refuse to build/run if Exim user is root/0.
1905
dbc4b90d
PP
1906PP/14 Build without WITH_CONTENT_SCAN. Path from Andreas Metzler.
1907
532be449
PP
1908PP/15 Bugzilla 816: support multiple condition rules on Routers.
1909
6a8de854 1910PP/16 Add bool_lax{} expansion operator and use that for combining multiple
71265ae9
PP
1911 condition rules, instead of bool{}. Make both bool{} and bool_lax{}
1912 ignore trailing whitespace.
6a8de854 1913
5dc43717
JJ
1914JJ/02 prevent non-panic DKIM error from being sent to paniclog
1915
1916JJ/03 added tcp_wrappers_daemon_name to allow host entries other than
1917 "exim" to be used
55c75993 1918
3346ab01
PP
1919PP/17 Fix malware regression for cmdline scanner introduced in PP/08.
1920 Notification from Dr Andrew Aitchison.
1921
491fab4c
PP
1922PP/18 Change ClamAV response parsing to be more robust and to handle ClamAV's
1923 ExtendedDetectionInfo response format.
1924 Notification from John Horne.
1925
13eb9497
PP
1926PP/19 OpenSSL 1.0.0a compatibility const-ness change, should be backwards
1927 compatible.
1928
1929PP/20 Added a CONTRIBUTING file. Fixed the documentation build to use http:
1930 XSL and documented dependency on system catalogs, with examples of how
1931 it normally works.
1932
7f36d675
DW
1933DW/21 Added Valgrind hooks in store.c to help it capture out-of-bounds store
1934 access.
1935
c1d94452
DW
1936DW/22 Bugzilla 1044: CVE-2010-4345 - partial fix: restrict default behaviour
1937 of CONFIGURE_OWNER and CONFIGURE_GROUP options to no longer allow a
1938 configuration file which is writeable by the Exim user or group.
1939
e2f5dc15
DW
1940DW/23 Bugzilla 1044: CVE-2010-4345 - part two: extend checks for writeability
1941 of configuration files to cover files specified with the -C option if
1942 they are going to be used with root privileges, not just the default
1943 configuration file.
1944
cd25e41d
DW
1945DW/24 Bugzilla 1044: CVE-2010-4345 - part three: remove ALT_CONFIG_ROOT_ONLY
1946 option (effectively making it always true).
1947
261dc43e
DW
1948DW/25 Add TRUSTED_CONFIG_PREFIX_FILE option to allow alternative configuration
1949 files to be used while preserving root privileges.
1950
fa32850b
DW
1951DW/26 Set FD_CLOEXEC on SMTP sockets after forking in the daemon, to ensure
1952 that rogue child processes cannot use them.
1953
79d4bc3d
PP
1954PP/27 Bugzilla 1047: change the default for system_filter_user to be the Exim
1955 run-time user, instead of root.
1956
43236f35 1957PP/28 Add WHITELIST_D_MACROS option to let some macros be overridden by the
2cfd3221
PP
1958 Exim run-time user without dropping privileges.
1959
fb08281f
DW
1960DW/29 Remove use of va_copy() which breaks pre-C99 systems. Duplicate the
1961 result string, instead of calling string_vformat() twice with the same
1962 arguments.
3346ab01 1963
74935b98
DW
1964DW/30 Allow TRUSTED_CONFIG_PREFIX_FILE only for Exim or CONFIGURE_OWNER, not
1965 for other users. Others should always drop root privileges if they use
1966 -C on the command line, even for a whitelisted configure file.
1967
90b6341f
DW
1968DW/31 Turn TRUSTED_CONFIG_PREFIX_FILE into TRUSTED_CONFIG_FILE. No prefixes.
1969
57730b52
ML
1970NM/01 Fixed bug #1002 - Message loss when using multiple deliveries
1971
66581d1e 1972
465e92cf
JJ
1973Exim version 4.72
1974-----------------
1975
453a6645
PP
1976JJ/01 installed exipick 20100104.1, adding $max_received_linelength,
1977 $data_path, and $header_path variables; fixed documentation bugs and
1978 typos
465e92cf 1979
453a6645
PP
1980JJ/02 installed exipick 20100222.0, added --input-dir and --finput to allow
1981 exipick to access non-standard spools, including the "frozen" queue
1982 (Finput)
edae0343 1983
9bd3e22c
NM
1984NM/01 Bugzilla 965: Support mysql stored procedures.
1985 Patch from Alain Williams
1986
bb576ff7
NM
1987NM/02 Bugzilla 961: Spacing fix (syntax error) on Makefile directives for NetBSD
1988
5a1a5845
NM
1989NM/03 Bugzilla 955: Documentation fix for max_rcpts.
1990 Patch from Andreas Metzler
1991
981a9fad
NM
1992NM/04 Bugzilla 954: Fix for unknown responses from Dovecot authenticator.
1993 Patch from Kirill Miazine
1994
7fc497ee
NM
1995NM/05 Bugzilla 671: Added umask to procmail example.
1996
1a41defa
JJ
1997JJ/03 installed exipick 20100323.0, fixing doc bug
1998
a466095c 1999NM/06 Bugzilla 988: CVE-2010-2023 - prevent hardlink attack on sticky mail
b26eacf1 2000 directory. Notification and patch from Dan Rosenberg.
a466095c 2001
94a6bd0b
NM
2002TK/01 PDKIM: Upgrade PolarSSL files to upstream version 0.12.1.
2003
2004TK/02 Improve log output when DKIM signing operation fails.
2005
2006MH/01 Treat the transport option dkim_domain as a colon separated
2007 list, not as a single string, and sign the message with each element,
2008 omitting multiple occurences of the same signer.
2009
c1b141a8
NM
2010NM/07 Null terminate DKIM strings, Null initialise DKIM variable
2011 Bugzilla 985, 986. Patch by Simon Arlott
94a6bd0b 2012
b26eacf1 2013NM/08 Bugzilla 967. dnsdb DNS TXT record bug fix (DKIM-related)
0d0c6357
NM
2014 Patch by Simon Arlott
2015
179c5980 2016PP/01 Bugzilla 989: CVE-2010-2024 - work round race condition on
b26eacf1 2017 MBX locking. Notification from Dan Rosenberg.
179c5980 2018
9bd3e22c 2019
7c6d71af
NM
2020Exim version 4.71
2021-----------------
2022
7d9f747b 2023TK/01 Bugzilla 912: Fix DKIM segfault on empty headers/body.
7c6d71af 2024
f013fb92
NM
2025NM/01 Bugzilla 913: Documentation fix for gnutls_* options.
2026
0eb8eedd
NM
2027NM/02 Bugzilla 722: Documentation for randint. Better randomness defaults.
2028
663ee6d9
NM
2029NM/03 Bugzilla 847: Enable DNSDB lookup by default.
2030
177ebd9b
NM
2031NM/04 Bugzilla 915: Flag broken perl installation during build.
2032
7c6d71af 2033
210f147e
NM
2034Exim version 4.70
2035-----------------
2036
cdd3bb85 2037TK/01 Added patch by Johannes Berg that expands the main option
e739e3d9 2038 "spamd_address" if it starts with a dollar sign.
cdd3bb85
TK
2039
2040TK/02 Write list of recipients to X-Envelope-Sender header when building
2041 the mbox-format spool file for content scanning (suggested by Jakob
7d9f747b 2042 Hirsch).
cdd3bb85
TK
2043
2044TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
2045 (http://www.dcc-servers.net/) support via dccifd. Activated by
e739e3d9 2046 setting EXPERIMENTAL_DCC=yes in Local/Makefile.
cdd3bb85
TK
2047
2048TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
2049 by Mark Daniel Reidel <mr@df.eu>.
2050
210f147e
NM
2051NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
2052 When building exim an external PCRE library is now needed -
2053 PCRE is a system library on the majority of modern systems.
2054 See entry on PCRE_LIBS in EDITME file.
2055
deafd5b3
NM
2056NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
2057 conversation. Added nologin parameter to request.
7d9f747b 2058 Patch contributed by Kirill Miazine.
deafd5b3 2059
089793a4
TF
2060TF/01 Do not log submission mode rewrites if they do not change the address.
2061
5f16ca82
TF
2062TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
2063
dae9d94e 2064NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
7d9f747b 2065 log files in place. Contributed by Roberto Lima.
dae9d94e 2066
7d9f747b 2067NM/04 Bugzilla 667: Close socket used by dovecot authenticator.
3f0da4d0 2068
06864c44
TF
2069TF/03 Bugzilla 615: When checking the local_parts router precondition
2070 after a local_part_suffix or local_part_prefix option, Exim now
2071 does not use the address's named list lookup cache, since this
2072 contains cached lookups for the whole local part.
2073
65a7d8c3 2074NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
7d9f747b 2075 Robert Millan. Documentation is in experimental-spec.txt.
65a7d8c3 2076
23510047 2077TF/04 Bugzilla 668: Fix parallel build (make -j).
65a7d8c3 2078
7d9f747b 2079NM/05.2 Bugzilla 437: Prevent Maildir aux files being created with mode 000.
5f28a6e8 2080
7d8eec3a 2081NM/05.3 Bugzilla 598: Improvement to Dovecot authenticator handling.
7d9f747b 2082 Patch provided by Jan Srzednicki.
6c588e74 2083
89dec7b6
TF
2084TF/05 Leading white space used to be stripped from $spam_report which
2085 wrecked the formatting. Now it is preserved.
5f28a6e8 2086
a99de90c
TF
2087TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
2088 that they are available at delivery time.
2089
e2803e40
TF
2090TF/07 Fix the way ${extract is skipped in the untaken branch of a conditional.
2091
7199e1ee
TF
2092TF/08 TLS error reporting now respects the incoming_interface and
2093 incoming_port log selectors.
2094
e276e04b
TF
2095TF/09 Produce a more useful error message if an SMTP transport's hosts
2096 setting expands to an empty string.
2097
ce552449 2098NM/06 Bugzilla 744: EXPN did not work under TLS.
7d9f747b 2099 Patch provided by Phil Pennock.
ce552449 2100
e765a0f1 2101NM/07 Bugzilla 769: Extraneous comma in usage fprintf
7d9f747b 2102 Patch provided by Richard Godbee.
e765a0f1 2103
4f054c63 2104NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
447de4b0 2105 acl_smtp_notquit, added index entry.
4f054c63 2106
7d9f747b
PP
2107NM/09 Bugzilla 787: Potential buffer overflow in string_format.
2108 Patch provided by Eugene Bujak.
24c929a2 2109
7d9f747b
PP
2110NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to
2111 accept(). Patch provided by Maxim Dounin.
cf73943b 2112
b52bc06e 2113NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to zero.
7d9f747b 2114 Patch provided by Phil Pennock.
b52bc06e 2115
447de4b0
NM
2116NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
2117
4c69d561 2118NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
7d9f747b 2119 Patch provided by Brad "anomie" Jorsch.
4c69d561 2120
d5c39246 2121NM/14 Bugzilla 622: Added timeout setting to transport filter.
7d9f747b 2122 Patch provided by Dean Brooks.
9b989985 2123
0b23848a
TK
2124TK/05 Add native DKIM support (does not depend on external libraries).
2125
8f3414a1 2126NM/15 Bugzilla 854: Removed code that symlinks to pcre as its no longer useful.
7d9f747b 2127 Patch provided by Graeme Fowler.
e2aacdfd 2128
fb6f955d
NM
2129NM/16 Bugzilla 851: Documentation example syntax fix.
2130
2131NM/17 Changed NOTICE file to remove references to embedded PCRE.
8f3414a1 2132
7d9f747b
PP
2133NM/18 Bugzilla 894: Fix issue with very long lines including comments in
2134 lsearch.
dbb0bf41 2135
7d9f747b
PP
2136NM/19 Bugzilla 745: TLS version reporting.
2137 Patch provided by Phil Pennock.
f3766eb5 2138
7d9f747b
PP
2139NM/20 Bugzilla 167: bool: condition support.
2140 Patch provided by Phil Pennock.
36f12725 2141
7d9f747b
PP
2142NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken
2143 clients. Patch provided by Phil Pennock.
e6060e2c 2144
7d9f747b
PP
2145NM/22 Bugzilla 607: prepend (not append) Resent-Message-ID and Resent-Date.
2146 Patch provided by Brad "anomie" Jorsch.
5eb690a1 2147
7d9f747b
PP
2148NM/23 Bugzilla 687: Fix misparses in eximstats.
2149 Patch provided by Heiko Schlittermann.
d5c13d66 2150
7d9f747b
PP
2151NM/24 Bugzilla 688: Fix exiwhat to handle log_selector = +pid.
2152 Patch provided by Heiko Schlittermann.
b2335c0b 2153
7d9f747b 2154NM/25 Bugzilla 727: Use transport mode as default mode for maildirsize file.
1da77999 2155 plus update to original patch.
f4cd9433 2156
7d9f747b 2157NM/26 Bugzilla 799: Documentation correction for ratelimit.
dc988b7e 2158
7d9f747b
PP
2159NM/27 Bugzilla 802: Improvements to local interface IP addr detection.
2160 Patch provided by David Brownlee.
8dc71ab3 2161
7d9f747b 2162NM/28 Bugzilla 807: Improvements to LMTP delivery logging.
400eda43 2163
7d9f747b 2164NM/29 Bugzilla 862, 866, 875: Documentation bugfixes.
ec5a421b 2165
7d9f747b 2166NM/30 Bugzilla 888: TLS documentation bugfixes.
07af267e 2167
7d9f747b 2168NM/31 Bugzilla 896: Dovecot buffer overrun fix.
51473862 2169
17792b53 2170NM/32 Bugzilla 889: Change all instances of "expr" in shell scripts to "expr --"
7d9f747b 2171 Unlike the original bugzilla I have changed all shell scripts in src tree.
17792b53 2172
7d9f747b
PP
2173NM/33 Bugzilla 898: Transport filter timeout fix.
2174 Patch by Todd Rinaldo.
52383f8f 2175
91576cec 2176NM/34 Bugzilla 901: Fix sign/unsigned and UTF mismatches.
7d9f747b 2177 Patch by Serge Demonchaux.
5ca6d115 2178
7d9f747b
PP
2179NM/35 Bugzilla 39: Base64 decode bug fixes.
2180 Patch by Jakob Hirsch.
baee9eee 2181
7d9f747b 2182NM/36 Bugzilla 909: Correct connect() call in dcc code.
e93a964c 2183
7d9f747b 2184NM/37 Bugzilla 910: Correct issue with relaxed/simple handling.
9bf3d68f 2185
7d9f747b 2186NM/38 Bugzilla 908: Removed NetBSD3 support as no longer needed.
96535b98 2187
7d9f747b 2188NM/39 Bugzilla 911: Fixed MakeLinks build script.
30339e0f 2189
deafd5b3 2190
47db1125
NM
2191Exim version 4.69
2192-----------------
2193
4b3504d0
TK
2194TK/01 Add preliminary DKIM support. Currently requires a forked version of
2195 ALT-N's libdkim that I have put here:
2196 http://duncanthrax.net/exim-experimental/
2197
2198 Note to Michael Haardt: I had to rename some vars in sieve.c. They
2199 were called 'true' and it seems that C99 defines that as a reserved
2200 keyword to be used with 'bool' variable types. That means you could
2201 not include C99-style headers which use bools without triggering
2202 build errors in sieve.c.
2203
81ea09ca
NM
2204NM/01 Bugzilla 592: --help option is handled incorrectly if exim is invoked
2205 as mailq or other aliases. Changed the --help handling significantly
2206 to do whats expected. exim_usage() emits usage/help information.
2207
f13cddcb
SC
2208SC/01 Added the -bylocaldomain option to eximstats.
2209
7d9f747b 2210NM/02 Bugzilla 619: Defended against bad data coming back from gethostbyaddr.
8ad076b2 2211
7d9f747b 2212NM/03 Bugzilla 613: Documentation fix for acl_not_smtp.
a843aaa6 2213
7d9f747b 2214NM/04 Bugzilla 628: PCRE update to 7.4 (work done by John Hall).
47db1125
NM
2215
2216
eb4c0de6
PH
2217Exim version 4.68
2218-----------------
2219
2220PH/01 Another patch from the Sieve maintainer.
2221
6a3bceb1
PH
2222PH/02 When an IPv6 address is converted to a string for single-key lookup
2223 in an address list (e.g. for an item such as "net24-dbm;/net/works"),
2224 dots are used instead of colons so that keys in lsearch files need not
2225 contain colons. This was done some time before quoting was made available
2226 in lsearch files. However, iplsearch files do require colons in IPv6 keys
2227 (notated using the quote facility) so as to distinguish them from IPv4
2228 keys. This meant that lookups for IP addresses in host lists did not work
2229 for iplsearch lookups.
2230
2231 This has been fixed by arranging for IPv6 addresses to be expressed with
2232 colons if the lookup type is iplsearch. This is not incompatible, because
2233 previously such lookups could never work.
2234
4c04137d 2235 The situation is now rather anomalous, since one *can* have colons in
6a3bceb1
PH
2236 ordinary lsearch keys. However, making the change in all cases is
2237 incompatible and would probably break a number of configurations.
2238
2e30fa9d
TK
2239TK/01 Change PRVS address formatting scheme to reflect latests BATV draft
2240 version.
2241
0806a9c5
MH
2242MH/01 The "spam" ACL condition code contained a sscanf() call with a %s
2243 conversion specification without a maximum field width, thereby enabling
2244 a rogue spamd server to cause a buffer overflow. While nobody in their
2245 right mind would setup Exim to query an untrusted spamd server, an
2246 attacker that gains access to a server running spamd could potentially
2247 exploit this vulnerability to run arbitrary code as the Exim user.
2248
ae276964
TK
2249TK/02 Bugzilla 502: Apply patch to make the SPF-Received: header use
2250 $primary_hostname instead of what libspf2 thinks the hosts name is.
2251
0f2cbd1b
MH
2252MH/02 The dsearch lookup now uses lstat(2) instead of stat(2) to look for
2253 a directory entry by the name of the lookup key. Previously, if a
2254 symlink pointed to a non-existing file or a file in a directory that
2255 Exim lacked permissions to read, a lookup for a key matching that
2256 symlink would fail. Now it is enough that a matching directory entry
2257 exists, symlink or not. (Bugzilla 503.)
2258
2b85bce7
PH
2259PH/03 The body_linecount and body_zerocount variables are now exported in the
2260 local_scan API.
2261
93655c46
PH
2262PH/04 Added the $dnslist_matched variable.
2263
6c512171
PH
2264PH/05 Unset $tls_cipher and $tls_peerdn before making a connection as a client.
2265 This means they are set thereafter only if the connection becomes
2266 encrypted.
2267
2268PH/06 Added the client_condition to authenticators so that some can be skipped
2269 by clients under certain conditions.
2270
aa6dc513
PH
2271PH/07 The error message for a badly-placed control=no_multiline_responses left
2272 "_responses" off the end of the name.
2273
a96603a0
PH
2274PH/08 Added -Mvc to output a copy of a message in RFC 2822 format.
2275
8f240103
PH
2276PH/09 Tidied the code for creating ratelimiting keys, creating them explicitly
2277 (without spaces) instead of just copying the configuration text.
2278
2279PH/10 Added the /noupdate option to the ratelimit ACL condition.
2280
d677b2f2
PH
2281PH/11 Added $max_received_linelength.
2282
d52120f2
PH
2283PH/12 Added +ignore_defer and +include_defer to host lists.
2284
64f2600a
PH
2285PH/13 Installed PCRE version 7.2. This needed some changes because of the new
2286 way in which PCRE > 7.0 is built.
2287
8669f003
PH
2288PH/14 Implemented queue_only_load_latch.
2289
a4dc33a8
PH
2290PH/15 Removed an incorrect (int) cast when reading the value of SIZE in a
2291 MAIL command. The effect was to mangle the value on 64-bit systems.
2292
d6a60c0f
PH
2293PH/16 Another patch from the Sieve maintainer.
2294
8f128379
PH
2295PH/17 Added the NOTQUIT ACL, based on a patch from Ted Cooper.
2296
8932dffe
PH
2297PH/18 If a system quota error occurred while trying to create the file for
2298 a maildir delivery, the message "Mailbox is full" was not appended to the
2299 bounce if the delivery eventually timed out. Change 4.67/27 below applied
2300 only to a quota excession during the actual writing of the file.
d6a60c0f 2301
ddea74fa 2302PH/19 It seems that peer DN values may contain newlines (and other non-printing
48ed62d9
PH
2303 characters?) which causes problems in log lines. The DN values are now
2304 passed through string_printing() before being added to log lines.
2305
ddea74fa 2306PH/20 Added the "servers=" facility to MySQL and PostgreSQL lookups. (Oracle
b7670459
PH
2307 and InterBase are left for another time.)
2308
ddea74fa
PH
2309PH/21 Added message_body_newlines option.
2310
ce9f225c
PH
2311PH/22 Guard against possible overflow in moan_check_errorcopy().
2312
19897d52
PH
2313PH/23 POSIX allows open() to be a macro; guard against that.
2314
bc64a74d
PH
2315PH/24 If the recipient of an error message contained an @ in the local part
2316 (suitably quoted, of course), incorrect values were put in $domain and
2317 $local_part during the evaluation of errors_copy.
2318
eb4c0de6 2319
b4ed4da0
PH
2320Exim version 4.67
2321-----------------
2322
22ad45c9
MH
2323MH/01 Fix for bug #448, segfault in Dovecot authenticator when interface_address
2324 is unset (happens when testing with -bh and -oMi isn't used). Thanks to
2325 Jan Srzednicki.
2326
b4ed4da0
PH
2327PH/01 Added a new log selector smtp_no_mail, to log SMTP sessions that do not
2328 issue a MAIL command.
2329
431b7361
PH
2330PH/02 In an ACL statement such as
2331
2332 deny dnslists = X!=127.0.0.2 : X=127.0.0.2
2333
2334 if a client was not listed at all, or was listed with a value other than
2335 127.0.0.2, in the X list, but was listed with 127.0.0.2 in the Y list,
2336 the condition was not true (as it should be), so access was not denied.
2337 The bug was that the ! inversion was incorrectly passed on to the second
2338 item. This has been fixed.
2339
2340PH/03 Added additional dnslists conditions == and =& which are different from
2341 = and & when the dns lookup returns more than one IP address.
2342
83da1223
PH
2343PH/04 Added gnutls_require_{kx,mac,protocols} to give more control over the
2344 cipher suites used by GnuTLS. These options are ignored by OpenSSL.
2345
54fc8428
PH
2346PH/05 After discussion on the list, added a compile time option ENABLE_DISABLE_
2347 FSYNC, which compiles an option called disable_fsync that allows for
2348 bypassing fsync(). The documentation is heavily laced with warnings.
2349
34c5e8dd
SC
2350SC/01 Updated eximstats to collate all SpamAssassin rejects into one bucket.
2351
bbe15da8
PH
2352PH/06 Some tidies to the infrastructure of the Test Suite that is concerned
2353 with the auxiliary C programs that it uses: (1) Arrange for BIND_8_COMPAT
2354 to be defined when compiling on OSX (Darwin); (2) Tidies to the Makefile,
2355 including adding "make clean"; (3) Added -fPIC when compiling the test
2356 dynamically loaded module, to get rid of a warning.
2357
0e8a9471
MH
2358MH/02 Fix for bug #451, causing paniclog entries to be written if a bounce
2359 message fails, move_frozen_messages = true and ignore_bounce_errors_after
2360 = 0s. The bug is otherwise harmless.
2361
f0872424
PH
2362PH/07 There was a bug in the dovecot authenticator such that the value of
2363 $auth1 could be overwritten, and so not correctly preserved, after a
2364 successful authentication. This usually meant that the value preserved by
2365 the server_setid option was incorrect.
2366
b01dd148
PH
2367PH/08 Added $smtp_count_at_connection_start, deliberately with a long name.
2368
6bf342e1
PH
2369PH/09 Installed PCRE release 7.0.
2370
273f34d0
PH
2371PH/10 The acl_not_smtp_start ACL was, contrary to the documentation, not being
2372 run for batched SMTP input. It is now run at the start of every message
2373 in the batch. While fixing this I discovered that the process information
2374 (output by running exiwhat) was not always getting set for -bs and -bS
2375 input. This is fixed, and it now also says "batched" for BSMTP.
2376
cf8b11a5
PH
2377PH/11 Added control=no_pipelining.
2378
41c7c167
PH
2379PH/12 Added $sending_ip_address and $sending_port (mostly Magnus Holmgren's
2380 patch, slightly modified), and move the expansion of helo_data till after
2381 the connection is made in the smtp transport (so it can use these
2382 values).
2383
9c57cbc0
PH
2384PH/13 Added ${rfc2047d: to decoded RFC 2047 strings.
2385
f3f065bb
PH
2386PH/14 Added log_selector = +pid.
2387
047bdd8c
PH
2388PH/15 Flush SMTP output before delaying, unless control=no_delay_flush is set.
2389
0ce9abe6
PH
2390PH/16 Add ${if forany and ${if forall.
2391
0e22dfd1
PH
2392PH/17 Added dsn_from option to vary the From: line in DSNs.
2393
4c590bd1
PH
2394PH/18 Flush SMTP output before performing a callout, unless control =
2395 no_callout_flush is set.
2396
09945f1e
PH
2397PH/19 Change 4.64/PH/36 introduced a bug: when address_retry_include_sender
2398 was true (the default) a successful delivery failed to delete the retry
2399 item, thus causing premature timeout of the address. The bug is now
2400 fixed.
2401
c51b8e75
PH
2402PH/20 Added hosts_avoid_pipelining to the smtp transport.
2403
e28326d8 2404PH/21 Long custom messages for fakedefer and fakereject are now split up
4c04137d 2405 into multiline responses in the same way that messages for "deny" and
e28326d8
PH
2406 other ACL rejections are.
2407
75b1493f
PH
2408PH/22 Applied Jori Hamalainen's speed-up changes and typo fixes to exigrep,
2409 with slight modification.
2410
7c5214ec
PH
2411PH/23 Applied sieve patches from the maintainer "tracking the latest notify
2412 draft, changing the syntax and factoring some duplicate code".
2413
4311097e
PH
2414PH/24 When the log selector "outgoing_port" was set, the port was shown as -1
2415 for deliveries of the second and subsequent messages over the same SMTP
2416 connection.
2417
29f89cad
PH
2418PH/25 Applied Magnus Holmgren's patch for ${addresses, ${map, ${filter, and
2419 ${reduce, with only minor "tidies".
2420
5e687460
SC
2421SC/02 Applied Daniel Tiefnig's patch to improve the '($parent) =' pattern match.
2422
c3611384
PH
2423PH/26 Added a "continue" ACL modifier that does nothing, for the benefit of its
2424 expansion side effects.
2425
5a11a7b4
PH
2426PH/27 When a message times out after an over-quota error from an Exim-imposed
2427 quota, the bounce message says "mailbox is full". This message was not
2428 being given when it was a system quota that was exceeded. It now should
2429 be the same.
2430
0e20aff9
MH
2431MH/03 Made $recipients available in local_scan(). local_scan() already has
2432 better access to the recipient list through recipients_list[], but
2433 $recipients can be useful in postmaster-provided expansion strings.
2434
ca86f471
PH
2435PH/28 The $smtp_command and $smtp_command_argument variables were not correct
2436 in the case of a MAIL command with additional options following the
2437 address, for example: MAIL FROM:<foo@bar> SIZE=1234. The option settings
2438 were accidentally chopped off.
2439
a14e5636
PH
2440PH/29 SMTP synchronization checks are implemented when a command is read -
2441 there is a check that no more input is waiting when there shouldn't be
2442 any. However, for some commands, a delay in an ACL can mean that it is
2443 some time before the response is written. In this time, more input might
2444 arrive, invalidly. So now there are extra checks after an ACL has run for
2445 HELO/EHLO and after the predata ACL, and likewise for MAIL and RCPT when
2446 pipelining has not been advertised.
2447
ec95d1a6
PH
2448PH/30 MH's patch to allow iscntrl() characters to be list separators.
2449
42855d71
PH
2450PH/31 Unlike :fail:, a custom message specified with :defer: was not being
2451 returned in the SMTP response when smtp_return_error_details was false.
2452 This has been fixed.
2453
57c2c631
PH
2454PH/32 Change the Dovecot authenticator to use read() and write() on the socket
2455 instead of the C I/O that was originally supplied, because problems were
2456 reported on Solaris.
2457
58c01c94
PH
2458PH/33 Compile failed with OpenSSL 0.9.8e. This was due to a coding error in
2459 Exim which did not show up earlier: it was assuming that a call to
2460 SSL_CTX_set_info_callback() might give an error value. In fact, there is
2461 no error. In previous releases of OpenSSL, SSL_CTX_set_info_callback()
2462 was a macro that became an assignment, so it seemed to work. This has
2463 changed to a proper function call with a void return, hence the compile
2464 error. Exim's code has been fixed.
2465
dee5a20a
PH
2466PH/34 Change HDA_SIZE in oracle.c from 256 to 512. This is needed for 64-bit
2467 cpus.
2468
d2ee6114
PH
2469PH/35 Applied a patch from the Sieve maintainer which fixes a bug in "notify".
2470
b2d5182b
PH
2471PH/36 Applied John Jetmore's patch to add -v functionality to exigrep.
2472
79749a79
PH
2473PH/37 If a message is not accepted after it has had an id assigned (e.g.
2474 because it turns out to be too big or there is a timeout) there is no
3ce62588
PH
2475 "Completed" line in the log. When some messages of this type were
2476 selected by exigrep, they were listed as "not completed". Others were
2477 picked up by some special patterns. I have improved the selection
2478 criteria to be more general.
79749a79 2479
c456d9bb
PH
2480PH/38 The host_find_failed option in the manualroute router can now be set
2481 to "ignore", to completely ignore a host whose IP address cannot be
2482 found. If all hosts are ignored, the behaviour is controlled by the new
2483 host_all_ignored option.
2484
cd9868ec
PH
2485PH/39 In a list of hosts for manualroute, if one item (either because of multi-
2486 homing or because of multiple MX records with /mx) generated more than
2487 one IP address, and the following item turned out to be the local host,
2488 all the secondary addresses of the first item were incorrectly removed
2489 from the list, along with the local host and any following hosts (which
2490 is what is supposed to happen).
2491
ebeaf996
PH
2492PH/40 When Exim receives a message, it writes the login name, uid, and gid of
2493 whoever called Exim into the -H file. In the case of the daemon it was
2494 behaving confusingly. When first started, it used values for whoever
2495 started the daemon, but after a SIGHUP it used the Exim user (because it
2496 calls itself on a restart). I have changed the code so that it now always
2497 uses the Exim user.
2498
2679d413
PH
2499PH/41 (Following a suggestion from Tony Finch) If all the RCPT commands in a
2500 message are rejected with the same error (e.g. no authentication or bad
2501 sender address), and a DATA command is nevertheless sent (as can happen
2502 with PIPELINING or a stupid MUA), the error message that was given to the
2503 RCPT commands is included in the rejection of the DATA command. This is
2504 intended to be helpful for MUAs that show only the final error to their
2505 users.
2506
84024b72
PH
2507PH/42 Another patch from the Sieve maintainer.
2508
8005d38e
SC
2509SC/02 Eximstats - Differentiate between permanent and temporary rejects.
2510 Eximstats - Fixed some broken HTML links and added missing column headers
2511 (Jez Hancock).
2512 Eximstats - Fixed Grand Total Summary Domains, Edomains, and Email
2513 columns for Rejects, Temp Rejects, Ham, and Spam rows.
2514
3298c6c6
SC
2515SC/03 Eximstats - V1.58 Fix to get <> and blackhole to show in edomain tables.
2516
a43a27c5
PH
2517PH/43 Yet another patch from the Sieve maintainer.
2518
58eb016e 2519PH/44 I found a way to check for a TCP/IP connection going away before sending
563b63fa
PH
2520 the response to the final '.' that terminates a message, but only in the
2521 case where the client has not sent further data following the '.'
2522 (unfortunately, this is allowed). However, in many cases there won't be
2523 any further data because there won't be any more messages to send. A call
2524 to select() can be used: if it shows that the input is "ready", there is
2525 either input waiting, or the socket has been closed. An attempt to read
2526 the next input character can distinguish the two cases. Previously, Exim
58eb016e 2527 would have sent an OK response which the client would never have see.
563b63fa
PH
2528 This could lead to message repetition. This fix should cure that, at
2529 least in a lot of common cases.
58eb016e 2530
b43a74ea
PH
2531PH/45 Do not advertise STARTTLS in response to HELP unless it would be
2532 advertised in response to EHLO.
2533
b4ed4da0 2534
5dd1517f
PH
2535Exim version 4.66
2536-----------------
2537
2538PH/01 Two more bugs that were introduced by 4.64/PH/07, in addition to the one
2539 fixed by 4.65/MH/01 (is this a record?) are fixed:
2540
2541 (i) An empty string was always treated as zero by the numeric comparison
2542 operators. This behaviour has been restored.
2543
2544 (ii) It is documented that the numeric comparison operators always treat
2545 their arguments as decimal numbers. This was broken in that numbers
2546 starting with 0 were being interpreted as octal.
2547
2548 While fixing these problems I realized that there was another issue that
2549 hadn't been noticed. Values of message_size_limit (both the global option
2550 and the transport option) were treated as octal if they started with 0.
2551 The documentation was vague. These values are now always treated as
2552 decimal, and I will make that clear in the documentation.
2553
2554
93cfa765
TK
2555Exim version 4.65
2556-----------------
2557
2558TK/01 Disable default definition of HAVE_LINUX_SENDFILE. Clashes with
2559 Linux large file support (_FILE_OFFSET_BITS=64) on older glibc
2560 versions. (#438)
2561
d6066548
MH
2562MH/01 Don't check that the operands of numeric comparison operators are
2563 integers when their expansion is in "skipping" mode (fixes bug
2564 introduced by 4.64-PH/07).
2565
4362ff0d
PH
2566PH/01 If a system filter or a router generates more than SHRT_MAX (32767)
2567 child addresses, Exim now panics and dies. Previously, because the count
2568 is held in a short int, deliveries were likely to be lost. As such a
2569 large number of recipients for a single message is ridiculous
2570 (performance will be very, very poor), I have chosen to impose a limit
2571 rather than extend the field.
2572
93cfa765 2573
944e9e9c
TF
2574Exim version 4.64
2575-----------------
aa41d2de 2576
21d74bd9
TK
2577TK/01 Bugzilla #401. Fix DK spooling code so that it can overwrite a
2578 leftover -K file (the existence of which was triggered by #402).
2579 While we were at it, introduced process PID as part of the -K
2580 filename. This should rule out race conditions when creating
2581 these files.
2582
2583TK/02 Bugzilla #402. Apply patch from Simon Arlott, speeding up DK signing
2584 processing considerably. Previous code took too long for large mails,
2585 triggering a timeout which in turn triggers #401.
2586
2587TK/03 Introduced HAVE_LINUX_SENDFILE to os.h-Linux. Currently only used
2588 in the DK code in transports.c. sendfile() is not really portable,
2589 hence the _LINUX specificness.
944e9e9c
TF
2590
2591TF/01 In the add_headers option to the mail command in an Exim filter,
2592 there was a bug that Exim would claim a syntax error in any
2593 header after the first one which had an odd number of characters
2594 in the field name.
2595
2b1c6e3a
PH
2596PH/01 If a server that rejects MAIL FROM:<> was the target of a sender
2597 callout verification, Exim cached a "reject" for the entire domain. This
2598 is correct for most verifications, but it is not correct for a recipient
2599 verification with use_sender or use_postmaster set, because in that case
2600 the callout does not use MAIL FROM:<>. Exim now distinguishes the special
2601 case of MAIL FROM:<> rejection from other early rejections (e.g.
2602 rejection of HELO). When verifying a recipient using a non-null MAIL
2603 address, the cache is ignored if it shows MAIL FROM:<> rejection.
2604 Whatever the result of the callout, the value of the domain cache is
2605 left unchanged (for any other kind of callout, getting as far as trying
2606 RCPT means that the domain itself is ok).
2607
1f872c80
PH
2608PH/02 Tidied a number of unused variable and signed/unsigned warnings that
2609 gcc 4.1.1 threw up.
2610
2611PH/03 On Solaris, an unexpectedly close socket (dropped connection) can
2612 manifest itself as EPIPE rather than ECONNECT. When tidying away a
2613 session, the daemon ignores ECONNECT errors and logs others; it now
2614 ignores EPIPE as well.
2615
d203e649
PH
2616PH/04 Applied Nico Erfurth's refactoring patch to tidy up mime.c
2617 (quoted-printable decoding).
2618
cc2ed8f7 2619PH/05 Applied Nico Erfurth's refactoring patch to tidy up spool_mbox.c, and
21a04aa3 2620 later the small subsequent patch to fix an introduced bug.
f951fd57 2621
ddfcd446
PH
2622PH/06 Installed the latest Cygwin Makefile from the Cygwin maintainer.
2623
d45b1de8
PH
2624PH/07 There was no check for overflow in expansions such as ${if >{1}{4096M}}.
2625
2626PH/08 An error is now given if message_size_limit is specified negative.
2627
38a0a95f 2628PH/09 Applied and tidied up Jakob Hirsch's patch for allowing ACL variables
641cb756 2629 to be given (somewhat) arbitrary names.
38a0a95f 2630
a2405d83
JJ
2631JJ/01 exipick 20060919.0, allow for arbitrary acl_ variables introduced
2632 in 4.64-PH/09.
2633
2634JJ/02 exipick 20060919.0, --show-vars args can now be regular expressions,
2635 miscellaneous code fixes
2636
6ea85e9a
PH
2637PH/10 Added the log_reject_target ACL modifier to specify where to log
2638 rejections.
2639
26da7e20
PH
2640PH/11 Callouts were setting the name used for EHLO/HELO from $smtp_active_
2641 hostname. This is wrong, because it relates to the incoming message (and
2642 probably the interface on which it is arriving) and not to the outgoing
2643 callout (which could be using a different interface). This has been
2644 changed to use the value of the helo_data option from the smtp transport
2645 instead - this is what is used when a message is actually being sent. If
2646 there is no remote transport (possible with a router that sets up host
2647 addresses), $smtp_active_hostname is used.
6ea85e9a 2648
14aa5a05 2649PH/12 Installed Andrey Panin's patch to add a dovecot authenticator. Various
7befa435 2650 tweaks were necessary in order to get it to work (see also 21 below):
14aa5a05
PH
2651 (a) The code assumed that strncpy() returns a negative number on buffer
2652 overflow, which isn't the case. Replaced with Exim's string_format()
2653 function.
2654 (b) There were several signed/unsigned issues. I just did the minimum
2655 hacking in of casts. There is scope for a larger refactoring.
2656 (c) The code used strcasecmp() which is not a standard C function.
2657 Replaced with Exim's strcmpic() function.
2658 (d) The code set only $1; it now sets $auth1 as well.
2659 (e) A simple test gave the error "authentication client didn't specify
2660 service in request". It would seem that Dovecot has changed its
2661 interface. Fortunately there's a specification; I followed it and
2662 changed what the client sends and it appears to be working now.
2663
ff75a1f7
PH
2664PH/13 Added $message_headers_raw to provide the headers without RFC 2047
2665 decoding.
2666
e6f6568e
PH
2667PH/14 Corrected misleading output from -bv when -v was also used. Suppose the
2668 address A is aliased to B and C, where B exists and C does not. Without
2669 -v the output is "A verified" because verification stops after a
2670 successful redirection if more than one address is generated. However,
2671 with -v the child addresses are also verified. Exim was outputting "A
2672 failed to verify" and then showing the successful verification for C,
2673 with its parentage. It now outputs "B failed to verify", showing B's
2674 parentage before showing the successful verification of C.
2675
d6f6e0dc
PH
2676PH/15 Applied Michael Deutschmann's patch to allow DNS black list processing to
2677 look up a TXT record in a specific list after matching in a combined
2678 list.
2679
322050c2
PH
2680PH/16 It seems that the options setting for the resolver (RES_DEFNAMES and
2681 RES_DNSRCH) can affect the behaviour of gethostbyname() and friends when
2682 they consult the DNS. I had assumed they would set it the way they
2683 wanted; and indeed my experiments on Linux seem to show that in some
2684 cases they do (I could influence IPv6 lookups but not IPv4 lookups).
2685 To be on the safe side, however, I have now made the interface to
2686 host_find_byname() similar to host_find_bydns(), with an argument
2687 containing the DNS resolver options. The host_find_byname() function now
2688 sets these options at its start, just as host_find_bydns() does. The smtp
2689 transport options dns_qualify_single and dns_search_parents are passed to
2690 host_find_byname() when gethostbyname=TRUE in this transport. Other uses
2691 of host_find_byname() use the default settings of RES_DEFNAMES
2692 (qualify_single) but not RES_DNSRCH (search_parents).
2693
08955dd3
PH
2694PH/17 Applied (a modified version of) Nico Erfurth's patch to make
2695 spool_read_header() do less string testing, by means of a preliminary
2696 switch on the second character of optional "-foo" lines. (This is
2697 overdue, caused by the large number of possibilities that now exist.
2698 Originally there were few.) While I was there, I also converted the
2699 str(n)cmp tests so they don't re-test the leading "-" and the first
2700 character, in the hope this might squeeze out yet more improvement.
2701
1eccaa59
PH
2702PH/18 Two problems with "group" syntax in header lines when verifying: (1) The
2703 flag allowing group syntax was set by the header_syntax check but not
2704 turned off, possible causing trouble later; (2) The flag was not being
2705 set at all for the header_verify test, causing "group"-style headers to
2706 be rejected. I have now set it in this case, and also caused header_
2707 verify to ignore an empty address taken from a group. While doing this, I
2708 came across some other cases where the code for allowing group syntax
2709 while scanning a header line wasn't quite right (mostly, not resetting
2710 the flag correctly in the right place). These bugs could have caused
2711 trouble for malformed header lines. I hope it is now all correct.
2712
602e59e5
PH
2713PH/19 The functions {pwcheck,saslauthd}_verify_password() are always called
2714 with the "reply" argument non-NULL. The code, however (which originally
2715 came from elsewhere) had *some* tests for NULL when it wrote to *reply,
2716 but it didn't always do it. This confused somebody who was copying the
2717 code for some other use. I have removed all the tests.
2718
411ef850
PH
2719PH/20 It was discovered that the GnuTLS code had support for RSA_EXPORT, a
2720 feature that was used to support insecure browsers during the U.S. crypto
2721 embargo. It requires special client support, and Exim is probably the
2722 only MTA that supported it -- and would never use it because real RSA is
2723 always available. This code has been removed, because it had the bad
2724 effect of slowing Exim down by computing (never used) parameters for the
2725 RSA_EXPORT functionality.
2726
7befa435
PH
2727PH/21 On the advice of Timo Sirainen, added a check to the dovecot
2728 authenticator to fail if there's a tab character in the incoming data
2729 (there should never be unless someone is messing about, as it's supposed
2730 to be base64-encoded). Also added, on Timo's advice, the "secured" option
2731 if the connection is using TLS or if the remote IP is the same as the
2732 local IP, and the "valid-client-cert option" if a client certificate has
2733 been verified.
2734
48da4259 2735PH/22 As suggested by Dennis Davis, added a server_condition option to *all*
16ff981e
PH
2736 authenticators. This can be used for authorization after authentication
2737 succeeds. (In the case of plaintext, it servers for both authentication
2738 and authorization.)
2739
48da4259
PH
2740PH/23 Testing for tls_required and lost_connection in a retry rule didn't work
2741 if any retry times were supplied.
2742
d1d5595c
PH
2743PH/24 Exim crashed if verify=helo was activated during an incoming -bs
2744 connection, where there is no client IP address to check. In this
2745 situation, the verify now always succeeds.
2746
0ef732d9
PH
2747PH/25 Applied John Jetmore's -Mset patch.
2748
328895cc
PH
2749PH/26 Added -bem to be like -Mset, but loading a message from a file.
2750
fd700877
PH
2751PH/27 In a string expansion for a processed (not raw) header when multiple
2752 headers of the same name were present, leading whitespace was being
2753 removed from all of them, but trailing whitespace was being removed only
2754 from the last one. Now trailing whitespace is removed from each header
f6c332bd
PH
2755 before concatenation. Completely empty headers in a concatenation (as
2756 before) are ignored.
fd700877 2757
8dce1a6f
PH
2758PH/28 Fixed bug in backwards-compatibility feature of PH/09 (thanks to John
2759 Jetmore). It would have mis-read ACL variables from pre-4.61 spool files.
2760
17af4a17
PH
2761PH/29 [Removed. This was a change that I later backed out, and forgot to
2762 correct the ChangeLog entry (that I had efficiently created) before
2763 committing the later change.]
f6c332bd
PH
2764
2765PH/30 Exim was sometimes attempting to deliver messages that had suffered
2766 address errors (4xx response to RCPT) over the same connection as other
2767 messages routed to the same hosts. Such deliveries are always "forced",
2768 so retry times are not inspected. This resulted in far too many retries
2769 for the affected addresses. The effect occurred only when there were more
2770 hosts than the hosts_max_try setting in the smtp transport when it had
2771 the 4xx errors. Those hosts that it had tried were not added to the list
2772 of hosts for which the message was waiting, so if all were tried, there
2773 was no problem. Two fixes have been applied:
2774
2775 (i) If there are any address or message errors in an SMTP delivery, none
2776 of the hosts (tried or untried) are now added to the list of hosts
2777 for which the message is waiting, so the message should not be a
2778 candidate for sending over the same connection that was used for a
2779 successful delivery of some other message. This seems entirely
2780 reasonable: after all the message is NOT "waiting for some host".
2781 This is so "obvious" that I'm not sure why it wasn't done
2782 previously. Hope I haven't missed anything, but it can't do any
2783 harm, as the worst effect is to miss an optimization.
2784
2785 (ii) If, despite (i), such a delivery is accidentally attempted, the
2786 routing retry time is respected, so at least it doesn't keep
2787 hammering the server.
2788
c1114884
PH
2789PH/31 Installed Andrew Findlay's patch to close the writing end of the socket
2790 in ${readsocket because some servers need this prod.
2791
7a0743eb
PH
2792PH/32 Added some extra debug output when updating a wait-xxx database.
2793
0d85fa3f
PH
2794PH/33 The hint "could be header name not terminated by colon", which has been
2795 given for certain expansion errors for a long time, was not being given
2796 for the ${if def:h_colon_omitted{... case.
2797
1bf43b78
PH
2798PH/34 The spec says: "With one important exception, whenever a domain list is
2799 being scanned, $domain contains the subject domain." There was at least
2800 one case where this was not true.
2801
520de300
PH
2802PH/35 The error "getsockname() failed: connection reset by peer" was being
2803 written to the panic log as well as the main log, but it isn't really
2804 panic-worthy as it just means the connection died rather early on. I have
2805 removed the panic log writing for the ECONNRESET error when getsockname()
2806 fails.
2807
48c7f9e2
PH
2808PH/36 After a 4xx response to a RCPT error, that address was delayed (in queue
2809 runs only) independently of the message's sender address. This meant
2810 that, if the 4xx error was in fact related to the sender, a different
2811 message to the same recipient with a different sender could confuse
4c04137d 2812 things. In particular, this can happen when sending to a greylisting
48c7f9e2
PH
2813 server, but other circumstances could also provoke similar problems.
2814 I have changed the default so that the retry time for these errors is now
2815 based a combination of the sender and recipient addresses. This change
2816 can be overridden by setting address_retry_include_sender=false in the
2817 smtp transport.
2818
99ea1c86
PH
2819PH/37 For LMTP over TCP/IP (the smtp transport), error responses from the
2820 remote server are returned as part of bounce messages. This was not
2821 happening for LMTP over a pipe (the lmtp transport), but now it is the
2822 same for both kinds of LMTP.
2823
a2042e78
PH
2824PH/38 Despite being documented as not happening, Exim was rewriting addresses
2825 in header lines that were in fact CNAMEs. This is no longer the case.
2826
4fbcfc2e
PH
2827PH/39 If -R or -S was given with -q<time>, the effect of -R or -S was ignored,
2828 and queue runs started by the daemon processed all messages. This has
2829 been fixed so that -R and -S can now usefully be given with -q<time>.
2830
aa41d2de
PH
2831PH/40 Import PCRE release 6.7 (fixes some bugs).
2832
af561417
PH
2833PH/41 Add bitwise logical operations to eval (courtesy Brad Jorsch).
2834
3cc66b45
PH
2835PH/42 Give an error if -q is specified more than once.
2836
194cc0e4
PH
2837PH/43 Renamed the variables $interface_address and $interface_port as
2838 $received_ip_address and $received_port, to make it clear that these
2839 values apply to message reception, and not to the outgoing interface when
2840 a message is delivered. (The old names remain recognized, of course.)
2841
a401ddaa
PH
2842PH/44 There was no timeout on the connect() call when using a Unix domain
2843 socket in the ${readsocket expansion. There now is.
2844
4e88a19f
PH
2845PH/45 Applied a modified version of Brad Jorsch's patch to allow "message" to
2846 be meaningful with "accept".
2847
d7d7b289
SC
2848SC/01 Eximstats V1.43
2849 Bug fix for V1.42 with -h0 specified. Spotted by Chris Lear.
2850
2851SC/02 Eximstats V1.44
2852 Use a glob alias rather than an array ref in the generated
2853 parser. This improves both readability and performance.
2854
2855SC/03 Eximstats V1.45 (Marco Gaiarin / Steve Campbell)
2856 Collect SpamAssassin and rejection statistics.
2857 Don't display local sender or destination tables unless
2858 there is data to show.
2859 Added average volumes into the top table text output.
2860
2861SC/04 Eximstats V1.46
2862 Collect data on the number of addresses (recipients)
2863 as well as the number of messages.
2864
2865SC/05 Eximstats V1.47
2866 Added 'Message too big' to the list of mail rejection
2867 reasons (thanks to Marco Gaiarin).
2868
2869SC/06 Eximstats V1.48
2870 Mainlog lines which have GMT offsets and are too short to
2871 have a flag are now skipped.
2872
2873SC/07 Eximstats V1.49 (Alain Williams)
2874 Added the -emptyok flag.
2875
2876SC/08 Eximstats V1.50
2877 Fixes for obtaining the IP address from reject messages.
2878
0ea2a468
JJ
2879JJ/03 exipick.20061117.2, made header handling as similar to exim as possible
2880 (added [br]h_ prefixes, implemented RFC2047 decoding. Fixed
4c04137d 2881 whitespace changes from 4.64-PH/27
0ea2a468
JJ
2882
2883JJ/04 exipick.20061117.2, fixed format and added $message_headers_raw to
2884 match 4.64-PH/13
2885
2886JJ/05 exipick.20061117.2, bug fixes (error out sooner when invalid criteria
2887 are found, allow negative numbers in numeric criteria)
2888
2889JJ/06 exipick.20061117.2, added new $message_body_missing variable
2890
2891JJ/07 exipick.20061117.2, added $received_ip_address and $received_port
2892 to match changes made in 4.64-PH/43
2893
8a10f5a4
PH
2894PH/46 Applied Jori Hamalainen's patch to add features to exiqsumm.
2895
30e18802
PH
2896PH/47 Put in an explicit test for a DNS lookup of an address record where the
2897 "domain" is actually an IP address, and force a failure. This locks out
2898 those revolvers/nameservers that support "A-for-A" lookups, in
2899 contravention of the specifications.
2900
55728a4f
PH
2901PH/48 When a host name was looked up from an IP address, and the subsequent
2902 forward lookup of the name timed out, the host name was left in
2903 $sender_host_name, contrary to the specification.
d7d7b289 2904
d7837193
PH
2905PH/49 Although default lookup types such as lsearch* or cdb*@ have always been
2906 restricted to single-key lookups, Exim was not diagnosing an error if
2907 * or *@ was used with a query-style lookup.
2908
87054a31
PH
2909PH/50 Increased the value of DH_BITS in tls-gnu.c from 768 to 1024.
2910
ea2c01d2
MH
2911MH/01 local_scan ABI version incremented to 1.1. It should have been updated
2912 long ago, but noone interested enough thought of it. Let's just say that
2913 the "1.1" means that there are some new functions that weren't there at
2914 some point in the past.
2915
e4fa6968
PH
2916PH/51 Error processing for expansion failure of helo_data from an smtp
2917 transport during callout processing was broken.
2918
56f5d9bd
PH
2919PH/52 Applied John Jetmore's patch to allow tls-on-connect and STARTTLS to be
2920 tested/used via the -bh/-bhc/-bs options.
2921
922e1c28
PH
2922PH/53 Added missing "#include <time.h>" to pcre/pcretest.c (this was a PCRE
2923 bug, fixed in subsequent PCRE releases).
2924
21eb6e72
PH
2925PH/54 Applied Robert Bannocks' patch to avoid a problem with references that
2926 arises when using the Solaris LDAP libraries (but not with OpenLDAP).
2927
a0540757
PH
2928PH/55 Check for a ridiculously long file name in exim_dbmbuild.
2929
944e9e9c 2930
478be7b0
SC
2931Exim version 4.63
2932-----------------
2933
2934SC/01 Use a glob alias rather than an array ref in eximstats generated
2935 parser. This improves both readability and performance.
2936
2937SC/02 Collect SpamAssassin and rejection statistics in eximstats.
2938 Don't display local sender or destination tables in eximstats unless
2939 there is data to show.
2940 Added average volumes into the eximstats top table text output.
2941
2942SC/03 Collect data on the number of addresses (recipients) as well
2943 as the number of messages in eximstats.
2944
2b965a65
TF
2945TF/01 Correct an error in the documentation for the redirect router. Exim
2946 does (usually) call initgroups() when daemonizing.
478be7b0 2947
45b91596
PH
2948TF/02 Call initgroups() when dropping privilege in exim.c, so that Exim runs
2949 with consistent privilege compared to when running as a daemon.
478be7b0 2950
c59f5781
TF
2951TF/03 Note in the spec that $authenticated_id is not set for local
2952 submissions from trusted users.
2953
90fc3069
TF
2954TF/04 The ratelimit per_rcpt option now works correctly in acl_not_smtp.
2955 Thanks to Dean Brooks <dean@iglou.com> for the patch.
2956
6083aca0
TF
2957TF/05 Make it easier to get SMTP authentication and TLS/SSL support working
2958 by adding some example configuration directives to the default
2959 configuration file. A little bit of work is required to uncomment the
2960 directives and define how usernames and passwords are checked, but
2961 there is now a framework to start from.
2962
765b530f
PH
2963PH/01 Added #define LDAP_DEPRECATED 1 to ldap.c because some of the "old"
2964 functions that Exim currently uses aren't defined in ldap.h for OpenLDAP
2965 without this. I don't know how relevant this is to other LDAP libraries.
2966
4e167a8c
PH
2967PH/02 Add the verb name to the "unknown ACL verb" error.
2968
4608d683
PH
2969PH/03 Magnus Holmgren's patch for filter_prepend_home.
2970
b8dc3e4a
PH
2971PH/03 Fixed Bugzilla #101: macro definition between ACLs doesn't work.
2972
5418e93b
PH
2973PH/04 Applied Magnus Holmgren's patch to fix Bugzilla #98: transport's home
2974 directory not expanded when it should be if an expanded home directory
2975 was set for the address (which is overridden by the transport).
2976
b4a9bda2
PH
2977PH/05 Applied Alex Kiernan's patch to fix Bugzilla #99: a problem with
2978 libradius.
2979
45b91596
PH
2980PH/06 Added acl_not_smtp_start, based on Johannes Berg's patch, and set the
2981 bit to forbid control=suppress_local_fixups in the acl_not_smtp ACL,
2982 because it is too late at that time, and has no effect.
2983
5547e2c5
PH
2984PH/07 Changed ${quote_pgsql to quote ' as '' instead of \' because of a
2985 security issue with \' (bugzilla #107). I could not use the
2986 PQescapeStringConn() function, because it needs a PGconn value as one of
2987 its arguments.
2988
dbcef0ea
PH
2989PH/08 When testing addresses using -bt, indicate those final addresses that
2990 are duplicates that would not cause an additional delivery. At least one
2991 person was confused, thinking that -bt output corresponded to deliveries.
2992 (Suppressing duplicates isn't a good idea as you lose the information
2993 about possibly different redirections that led to the duplicates.)
2994
25257489
PH
2995PH/09 Applied patch from Erik to use select() instead of poll() in spam.c on
2996 systems where poll() doesn't work, in particular OS X.
2997
c816d124
PH
2998PH/10 Added more information to debugging output for retry time not reached.
2999
a9ccd69a
PH
3000PH/11 Applied patch from Arkadiusz Miskiewicz to apply a timeout to read
3001 operations in malware.c.
3002
75fa1910
PH
3003PH/12 Applied patch from Magnus Holmgren to include the "h" tag in Domain Keys
3004 signatures.
3005
a7d7aa58
PH
3006PH/13 If write_rejectlog was set false when logging was sent to syslog with
3007 syslog_duplication set false, log lines that would normally be written
3008 both the the main log and to the reject log were not written to syslog at
3009 all.
3010
42119b09
PH
3011PH/14 In the default configuration, change the use of "message" in ACL warn
3012 statements to "add_header".
3013
41609df5
PH
3014PH/15 Diagnose a filter syntax error for "seen", "unseen", or "noerror" if not
3015 not followed by a command (e.g. "seen endif").
3016
a5bd321b
PH
3017PH/16 Recognize SMTP codes at the start of "message" in ACLs and after :fail:
3018 and :defer: in a redirect router. Add forbid_smtp_code to suppress the
3019 latter.
3020
e85a7ad5 3021PH/17 Added extra conditions to the default value of delay_warning_condition
5dff5817
PH
3022 so that it is now:
3023
e85a7ad5
PH
3024 ${if or { \
3025 { !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} } \
3026 { match{$h_precedence:}{(?i)bulk|list|junk} } \
3027 { match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} } \
5dff5817
PH
3028 }{no}{yes}}
3029
e85a7ad5
PH
3030 The Auto-Submitted: and various List- headers are standardised, whereas I
3031 don't think Precedence: ever was.
5dff5817 3032
d8fe1c03
PH
3033PH/18 Refactored debugging code in route_finduser() to show more information,
3034 in particular, the error code if getpwnam() issues one.
3035
16282d2b
PH
3036PH/19 Added PQsetClientEncoding(conn, "SQL_ASCII") to the pgsql code module.
3037 This is apparently needed in addition to the PH/07 change above to avoid
3038 any possible encoding problems.
3039
35d40a98
PH
3040PH/20 Perl can change the locale. Exim was resetting it after a ${perl call,
3041 but not after initializing Perl.
3042
034d99ab
PH
3043PH/21 Added a call to PQsetNoticeProcessor() to catch pgsql "notices" and
3044 output them only if debugging. By default they are written stderr,
3045 apparently, which is not desirable.
3046
6ec97b1b
PH
3047PH/22 Added Alain Williams' LDAP patch to support setting REFERRALS=off on
3048 queries.
3049
e22ca4ac
JJ
3050JJ/01 exipick: added --reverse (and -R synonym), --random, --size, --sort and
3051 --not options
3052
3053JJ/02 exipick: rewrote --help documentation to hopefully make more clear.
3054
33d73e3b
PH
3055PH/23 Made -oMaa and -oMt work with -bh and -bs to pretend the connection is
3056 authenticated or an ident call has been made. Suppress the default
3057 values for $authenticated_id and $authenticated_sender (but permit -oMai
3058 and -oMas) when testing with -bh.
3059
9ecb03f3
PH
3060PH/24 Re-jigged the order of the tests in the default configuration so that the
3061 tests for valid domains and recipients precede the DNS black list and CSA
3062 tests, on the grounds that those ones are more expensive.
3063
084efe8d
PH
3064PH/25 Exim was not testing for a space following SMTP commands such as EHLO
3065 that require one. Thus, EHLORHUBARB was interpreted as a valid command.
3066 This bug exists in every version of Exim that I still have, right back to
3067 0.12.
3068
366fc9f0
PH
3069PH/26 (n)wildlsearch lookups are documented as being done case-insensitively.
3070 However, an attempt to turn on case-sensitivity in a regex key by
3071 including (?-i) didn't work because the subject string was already
3072 lowercased, and the effects were non-intuitive. It turns out that a
3073 one-line patch can be used to allow (?-i) to work as expected.
3074
c59f5781 3075
c887c79e
TF
3076Exim version 4.62
3077-----------------
3078
3079TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst
3080 other effects) broke the use of negated acl sub-conditions.
3081
1cce3af8
PH
3082PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore
3083 patch).
3084
afb3eaaf
PH
3085PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow".
3086 "Deny" causes Exim to reject the incoming connection with a 554 error.
3087 Unfortunately, if there is a major crisis, such as a disk failure,
3088 tcp-wrappers gives "deny", whereas what one would like would be some
3089 kind of temporary error. A kludge has been added to help with this.
3090 Before calling hosts_ctl(), errno is set zero. If the result is "deny", a
3091 554 error is used if errno is still zero or contains ENOENT (which occurs
3092 if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a
3093 451 error is used.
3094
e173618b
PH
3095PH/03 Add -lutil to the default FreeBSD LIBS setting.
3096
dd16e114
PH
3097PH/04 Change PH/19 for 4.61 was too wide. It should not be applied to host
3098 errors. Otherwise a message that provokes a temporary error (when other
3099 messages do not) can cause a whole host to time out.
3100
f7fd3850
PH
3101PH/05 Batch deliveries by appendfile and pipe transports did not work when the
3102 addresses were routed directly to files or pipes from a redirect router.
3103 File deliveries just didn't batch; pipe deliveries might have suffered
3104 odd errors.
3105
d87df92c
PH
3106PH/06 A failure to get a lock for a hints database would erroneously always say
3107 "Failed to get write lock", even when it was really a read lock.
3108
7e9f683d
PH
3109PH/07 The appendfile transport was creating MBX lock files with a fixed mode
3110 of 0600. This has been changed to use the value of the lockfile_mode
3111 option (which defaults to 0600).
3112
bfad5236
PH
3113PH/08 Applied small patch from the Sieve maintainer.
3114
01c490df
PH
3115PH/09 If maildir_quota_directory_regex was set to exclude (say) the .Trash
3116 folder from quota calculations, a direct delivery into this folder messed
3117 up the contents of the maildirsize file. This was because the regex was
3118 used only to exclude .Trash (or whatever) when the size of the mailbox
3119 was calculated. There was no check that a delivery was happening into an
3120 excluded directory. This bug has been fixed by ignoring all quota
3121 processing for deliveries into excluded directories.
3122
d6629cdc
PH
3123PH/10 Added the maildirfolder_create_regex option to appendfile.
3124
1cce3af8 3125
214e2000
PH
3126Exim version 4.61
3127-----------------
3128
3129PH/01 The code for finding all the local interface addresses on a FreeBSD
3130 system running IPv6 was broken. This may well have applied to all BSD
3131 systems, as well as to others that have similar system calls. The broken
3132 code found IPv4 interfaces correctly, but gave incorrect values for the
3133 IPv6 interfaces. In particular, ::1 was not found. The effect in Exim was
3134 that it would not match correctly against @[] and not recognize the IPv6
3135 addresses as local.
3136
f9daeae0
PH
3137PH/02 The ipliteral router was not recognizing addresses of the form user@
3138 [ipv6:....] because it didn't know about the "ipv6:" prefix.
3139
7e66e54d
PH
3140PH/03 Added disable_ipv6.
3141
c8ea1597
PH
3142PH/04 Changed $reply_address to use the raw form of the headers instead of the
3143 decoded form, because it is most often used to construct To: headers
3144 lines in autoreplies, and the decoded form may well be syntactically
3145 invalid. However, $reply_address has leading white space removed, and all
3146 newlines turned into spaces so that the autoreply transport does not
3147 grumble.
3148
911f6fde
PH
3149PH/05 If group was specified without a user on a router, and no group or user
3150 was specified on a transport, the group from the router was ignored.
3151
47ca6d6c
PH
3152PH/06 Increased the number of ACL variables to 20 of each type, and arranged
3153 for visible compile-time settings that can be used to change these
3154 numbers, for those that want even more. Backwards compatibility with old
3155 spool files has been maintained. However, going back to a previous Exim
3156 release will lost any variables that are in spool files.
3157
ed0e9820
PH
3158PH/07 Two small changes when running in the test harness: increase delay when
3159 passing a TCP/IP connection to a new process, in case the original
3160 process has to generate a bounce, and remove special handling of
3161 127.0.0.2 (sic), which is no longer necessary.
3162
eff37e47
PH
3163PH/08 Changed debug output of dbfn_open() flags from numbers to names, so as to
3164 be the same on different OS.
3165
1921d2ea
PH
3166PH/09 Moved a debug statement in filter processing to avoid a race problem when
3167 testing.
3168
b3f69ca8
JJ
3169JJ/01 exipick: fixed bug where -b (brief) output option showed "Vars:"
3170 whether --show-vars was specified or not
3171
3172JJ/02 exipick: Added support for new ACL variable spool format introduced
3173 in 4.61-PH/06
3174
424a1c63
PH
3175PH/10 Fixed another bug related to PH/04 above: if an incoming message had a
3176 syntactically invalid From: or Reply-to: line, and a filter used this to
3177 generate an autoreply, and therefore failed to obtain an address for the
3178 autoreply, Exim could try to deliver to a non-existent relative file
3179 name, causing unrelated and misleading errors. What now happens is that
3180 it logs this as a hard delivery error, but does not attempt to create a
3181 bounce message.
3182
7a100415
PH
3183PH/11 The exinext utility has a -C option for testing purposes, but although
3184 the given file was scanned by exinext itself; it wasn't being passed on
3185 when Exim was called.
3186
19b9dc85
PH
3187PH/12 In the smtp transport, treat an explicit ECONNRESET error the same as
3188 an end-of-file indication when reading a command response.
3189
309bd837
PH
3190PH/13 Domain literals for IPv6 were not recognized unless IPv6 support was
3191 compiled. In many other places in Exim, IPv6 addresses are always
3192 recognized, so I have changed this. It also means that IPv4 domain
3193 literals of the form [IPV4:n.n.n.n] are now always recognized.
3194
59e82a2a
PH
3195PH/14 When a uid/gid is specified for the queryprogram router, it cannot be
3196 used if the router is not running as root, for example, when verifying at
3197 ACL time, or when using -bh. The debugging output from this situation was
3198 non-existent - all you got was a failure to exec. I have made two
3199 changes:
3200
3201 (a) Failures to set uid/gid, the current directory, or a process leader
3202 in a subprocess such as that created by queryprogram now generate
4c04137d 3203 suitable debugging output when -d is set.
59e82a2a
PH
3204
3205 (b) The queryprogram router detects when it is not running as root,
3206 outputs suitable debugging information if -d is set, and then runs
3207 the subprocess without attempting to change uid/gid.
3208
9edc04ce
PH
3209PH/15 Minor change to Makefile for building test_host (undocumented testing
3210 feature).
3211
1349e1e5
PH
3212PH/16 As discussed on the list in Nov/Dec: Exim no longer looks at the
3213 additional section of a DNS packet that returns MX or SRV records.
3214 Instead, it always explicitly searches for A/AAAA records. This avoids
3215 major problems that occur when a DNS server includes only records of one
3216 type (A or AAAA) in an MX/SRV packet. A byproduct of this change has
3217 fixed another bug: if SRV records were looked up and the corresponding
3218 address records were *not* found in the additional section, the port
3219 values from the SRV records were lost.
3220
ea49d0e1
PH
3221PH/17 If a delivery to a pipe, file, or autoreply was deferred, Exim was not
3222 using the correct key (the original address) when searching the retry
3223 rules in order to find which one to use for generating the retry hint.
3224
064a94c9
PH
3225PH/18 If quota_warn_message contains a From: header, Exim now refrains from
3226 adding the default one. Similarly, if it contains a Reply-To: header, the
3227 errors_reply_to option, if set, is not used.
3228
727071f8
PH
3229PH/19 When calculating a retry time, Exim used to measure the "time since
3230 failure" by looking at the "first failed" field in the retry record. Now
3231 it does not use this if it is later than than the arrival time of the
3232 message. Instead it uses the arrival time. This makes for better
3233 behaviour in cases where some deliveries succeed, thus re-setting the
3234 "first failed" field. An example is a quota failure for a huge message
3235 when small messages continue to be delivered. Without this change, the
3236 "time since failure" will always be short, possible causing more frequent
3237 delivery attempts for the huge message than are intended.
dd16e114 3238 [Note: This change was subsequently modified - see PH/04 for 4.62.]
727071f8 3239
f78eb7c6
PH
3240PH/20 Added $auth1, $auth2, $auth3 to contain authentication data (as well as
3241 $1, $2, $3) because the numerical variables can be reset during some
3242 expansion items (e.g. "match"), thereby losing the authentication data.
3243
21c28500
PH
3244PH/21 Make -bV show the size of off_t variables so that the test suite can
3245 decide whether to run tests for quotas > 2G.
3246
3247PH/22 Test the values given for quota, quota_filecount, quota_warn_threshold,
3248 mailbox_size, and mailbox_filecount in the appendfile transport. If a
3249 filecount value is greater than 2G or if a quota value is greater than 2G
3250 on a system where the size of off_t is not greater than 4, a panic error
3251 is given.
3252
1688f43b
PH
3253PH/23 When a malformed item such as 1.2.3/24 appears in a host list, it can
3254 never match. The debug and -bh output now contains an explicit error
3255 message indicating a malformed IPv4 address or mask.
3256
3257PH/24 An host item such as 1.2.3.4/abc was being treated as the IP address
3258 1.2.3.4 without a mask. Now it is not recognized as an IP address, and
3259 PH/23 above applies.
3260
9675b384
PH
3261PH/25 Do not write to syslog when running in the test harness. The only
3262 occasion when this arises is a failure to open the main or panic logs
3263 (for which there is an explicit test).
3264
6a3f1455
PH
3265PH/26 Added the /no_tell option to "control=freeze".
3266
dac79d3e
PH
3267PH/27 If a host name lookup failed very early in a connection, for example, if
3268 the IP address matched host_lookup and the reverse lookup yielded a name
3269