+Exim version 4.60
+-----------------
+
+PH/01 Two changes to the default runtime configuration:
+
+ (1) Move the checks for relay_from_hosts and authenticated clients from
+ after to before the (commented out) DNS black list checks.
+
+ (2) Add control=submission to the relay_from_hosts and authenticated
+ clients checks, on the grounds that messages accepted by these
+ statements are most likely to be submissions.
+
+PH/02 Several tidies to the handling of ${prvs and ${prvscheck:
+
+ (1) Generate an error if the third argument for the ${prvs expansion is
+ not a single digit.
+
+ (2) Treat a missing third argument of ${prvscheck as if it were an empty
+ string.
+
+ (3) Reset the variables that are obtained from the first argument of
+ ${prvscheck and used in the second argument before leaving the code,
+ because their memory is reclaimed, so using them afterwards may do
+ silly things.
+
+ (4) Tidy up the code for expanding the arguments of ${prvscheck one by
+ one (it's much easier than Tom thought :-).
+
+ (5) Because of (4), we can now allow for the use of $prvscheck_result
+ inside the third argument.
+
+PH/03 For some reason, the default setting of PATH when running a command from
+ a pipe transport was just "/usr/bin". I have changed it to
+ "/bin:/usr/bin".
+
+PH/04 SUPPORT_TRANSLATE_IP_ADDRESS and MOVE_FROZEN_MESSAGES did not cause
+ anything to be listed in the output from -bV.
+
+PH/05 When a filter generated an autoreply, the entire To: header line was
+ quoted in the delivery log line, like this:
+
+ => >A.N.Other <ano@some.domain> <original@ddress> ...
+
+ This has been changed so that it extracts the operative address. There
+ may be more than one such address. If so, they are comma-separated, like
+ this:
+
+ => >ano@some.domain,ona@other.domain <original@ddress> ...
+
+PH/06 When a client host used a correct literal IP address in a HELO or EHLO
+ command, (for example, EHLO [1.2.3.4]) and the client's IP address was
+ not being looked up in the rDNS to get a host name, Exim was showing the
+ IP address twice in Received: lines, even though the IP addresses were
+ identical. For example:
+
+ Received: from [1.2.3.4] (helo=[1.2.3.4])
+
+ However, if the real host name was known, it was omitting the HELO data
+ if it matched the actual IP address. This has been tidied up so that it
+ doesn't show the same IP address twice.
+
+PH/07 When both +timestamp and +memory debugging was on, the value given by
+ $tod_xxx expansions could be wrong, because the tod_stamp() function was
+ called by the debug printing, thereby overwriting the timestamp buffer.
+ Debugging no longer uses the tod_stamp() function when +timestamp is set.
+
+
+Exim version 4.54
+-----------------
+
+PH/01 The ${base62: operator adjusted itself to base 36 when BASE_62 was
+ set to 36 (for Darwin and Cygwin), but the ${base62d: operator did not.
+ It now does.
+
+PH/02 Two minor problems detected in Cygwin: the os.{c,h} files had lost */ on
+ the CVS lines, and there was a missing #if HAVE_IPV6 in host.c.
+
+PH/03 Typo: missing ".o" in src/pcre/Makefile.
+
+PH/04 Tighten up "personal" tests: Instead of testing for any "List-"
+ header line, restrict the check to what is listed in RFCs 2369 and 2929.
+ Also, for "Auto-Submitted", treat anything other than "no" as
+ non-personal, in accordance with RFC 3834. (Previously it treated
+ anything starting "auto-" as non-personal.)
+
+TF/01 The control=submission/name=... option had a problem with syntax
+ errors if the name included a slash character. The /name= option
+ now slurps the rest of the string, so it can include any characters
+ but it must come last in the list of options (after /sender_retain
+ or /domain=).
+
+PH/05 Some modifications to the interface to the fake nameserver for the new
+ testing suite.
+
+
+Exim version 4.53
+-----------------
+
+TK/01 Added the "success_on_redirect" address verification option. See
+ NewStuff for rationale and an example.
+
+PH/01 Added support for SQLite, basic code supplied by David Woodhouse.
+
+PH/02 Patch to exigrep to allow it to work on syslog lines.
+
+PH/03 When creating an mbox file for a virus/spam scan, use fseek() instead of
+ fread() to skip over the body file's header line, because in Cygwin the
+ header line is locked and is inaccessible.
+
+PH/04 Added $message_exim_id, ultimately to replace $message_id (they will both
+ co-exist for some time) to make it clear that it is the Exim ID that is
+ referenced, not the Message-ID: header line.
+
+PH/05 Replaced all Tom's calls to snprintf() with calls to the internal
+ string_format() function, because snprintf() does not exist on all
+ operating systems.
+
+PH/06 The use of forbid_filter_existstest now also locks out the use of the
+ ${stat: expansion item.
+
+PH/07 Changed "SMTP protocol violation: synchronization error" into "SMTP
+ protocol synchronization error", to keep the pedants happy.
+
+PH/08 Arrange for USE_INET_NTOA_FIX to be set in config.h for AIX systems as
+ well as for IRIX systems, when gcc is being used. See the host.c source
+ file for comments.
+
+PH/09 Installed latest Cygwin configuration files from the Cygwin maintainer.
+
+PH/10 Named domain lists were not working if used in a queue_smtp_domains
+ setting.
+
+PH/11 Added support for the IGNOREQUOTA extension to LMTP, both to the lmtp
+ transport and to the smtp transport in LMTP mode.
+
+TK/02 Remove one case of BASE64 error detection FTTB (undocumented anyway).
+
+PH/12 There was a missing call to search_tidyup() before the fork() in rda.c to
+ run a filter in a subprocess. This could lead to confusion in subsequent
+ lookups in the parent process. There should also be a search_tidyup() at
+ the end of the subprocess.
+
+PH/13 Previously, if "verify = helo" was set in an ACL, the condition was true
+ only if the host matched helo_try_verify_hosts, which caused the
+ verification to occur when the EHLO/HELO command was issued. The ACL just
+ tested the remembered result. Now, if a previous verification attempt has
+ not happened, "verify = helo" does it there and then.
+
+JJ/01 exipick: added $message_exim_id variable (see 4.53-PH/04)
+
+TK/03 Fix log output including CR from clamd.
+
+PH/14 A reference to $reply_address when Reply-to: was empty and From: did not
+ exist provoked a memory error which could cause a segfault.
+
+PH/15 Installed PCRE 6.2
+
+PH/17 Defined BIND_8_COMPAT in the Darwin os.h file.
+
+PH/18 Reversed 4.52/PH/17 because the HP-UX user found it wasn't the cause
+ of the problem. Specifically, suggested +O2 rather than +O1 for the
+ HP-UX compiler.
+
+PH/19 Added sqlite_lock_timeout option (David Woodhouse's patch).
+
+PH/20 If a delivery was routed to a non-standard port by means of an SRV
+ record, the port was not correctly logged when the outgoing_port log
+ selector was set (it logged the transort's default port).
+
+PH/21 Added support for host-specific ports to manualroute, queryprogram,
+ fallback_hosts, and "hosts" in the smtp transport.
+
+PH/22 If the log selector "outgoing_port" is set, the port is now also given on
+ host errors such as "Connection refused".
+
+PH/23 Applied a patch to fix problems with exim-4.52 while doing radius
+ authentication with radiusclient 0.4.9:
+
+ - Error returned from rc_read_config was caught wrongly
+ - Username/password not passed on to radius server due to wrong length.
+
+ The presumption is that some radiusclient API changes for 4.51/PH/17
+ were not taken care of correctly. The code is still untested by me (my
+ Linux distribution still has 0.3.2 of radiusclient), but it was
+ contributed by a Radius user.
+
+PH/24 When doing a callout, the value of $domain wasn't set correctly when
+ expanding the "port" option of the smtp transport.
+
+TK/04 MIME ACL: Fix buffer underrun that occurs when EOF condition is met
+ while reading a MIME header. Thanks to Tom Hughes for a patch.
+
+PH/24 Include config.h inside local_scan.h so that configuration settings are
+ available.
+
+PH/25 Make $smtp_command_argument available after all SMTP commands. This means
+ that in an ACL for RCPT (for example), you can examine exactly what was
+ received.
+
+PH/26 Exim was recognizing IPv6 addresses of the form [IPv6:....] in EHLO
+ commands, but it was not correctly comparing the address with the actual
+ client host address. Thus, it would show the EHLO address in Received:
+ header lines when this was not necessary.
+
+PH/27 Added the % operator to ${eval:}.
+
+PH/28 Exim tries to create and chdir to its spool directory when it starts;
+ it should be ignoring failures (because with -C, for example, it has lost
+ privilege). It wasn't ignoring creation failures other than "already
+ exists".
+
+PH/29 Added "crypteq" to the list of supported features that Exim outputs when
+ -bV or -d is used.
+
+PH/30 Fixed (presumably very longstanding) bug in exim_dbmbuild: if it failed
+ because an input line was too long, either on its own, or by virtue of
+ too many continuations, the temporary file was not being removed, and the
+ return code was incorrect.
+
+PH/31 Missing "BOOL" in function definition in filtertest.c.
+
+PH/32 Applied Sieve patches from the maintainer.
+
+TK/05 Domainkeys: Accomodate for a minor API change in libdomainkeys 0.67.
+
+PH/33 Added "verify = not_blind".
+
+PH/34 There are settings for CHOWN_COMMAND and MV_COMMAND that can be used in
+ Local/Makefile (with some defaults set). These are used in built scripts
+ such as exicyclog, but they have never been used in the exim_install
+ script (though there are many overriding facilities there). I have
+ arranged that the exim_install script now takes note of these two
+ settings.
+
+PH/35 Installed configuration files for Dragonfly.
+
+PH/36 When a locally submitted message by a trusted user did not contain a
+ From: header, and the sender address was obtained from -f or from an SMTP
+ MAIL command, and the trusted user did not use -F to supply a sender
+ name, $originator_name was incorrectly used when constructing a From:
+ header. Furthermore, $originator_name was used for submission mode
+ messages from external hosts without From: headers in a similar way,
+ which is clearly wrong.
+
+PH/37 Added control=suppress_local_fixups.
+
+PH/38 When log_selector = +received_sender was set, and the addition of the
+ sender made the log line's construction buffer exactly full, or one byte
+ less than full, an overflow happened when the terminating "\n" was
+ subsequently added.
+
+PH/39 Added a new log selector, "unknown_in_list", which provokes a log entry
+ when the result of a list match is failure because a DNS lookup failed.
+
+PH/40 RM_COMMAND is now used in the building process.
+
+PH/41 Added a "distclean" target to the top-level Makefile; it deletes all
+ the "build-* directories that it finds.
+
+PH/42 (But a TF fix): In a domain list, Exim incorrectly matched @[] if the IP
+ address in a domain literal was a prefix of an interface address.
+
+PH/43 (Again a TF fix): In the dnslookup router, do not apply widen_domains
+ when verifying a sender address, unless rewrite_headers is false.
+
+PH/44 Wrote a long comment about why errors_to addresses are verified as
+ recipients, not senders.
+
+TF/01 Add missing LIBS=-lm to OS/Makefile-OpenBSD which was overlooked when
+ the ratelimit ACL was added.
+
+PH/45 Added $smtp_command for the full command (cf $smtp_command_argument).
+
+PH/46 Added extra information about PostgreSQL errors to the error string.
+
+PH/47 Added an interface to a fake DNS resolver for use by the new test suite,
+ avoiding the need to install special zones in a real server. This is
+ backwards compatible; if it can't find the fake resolver, it drops back.
+ Thus, both old and new test suites can be run.
+
+TF/02 Added util/ratelimit.pl
+
+TF/03 Minor fix to the ratelimit code to improve its behaviour in case the
+ clock is set back in time.
+
+TF/04 Fix the ratelimit support in exim_fixdb. Patch provided by Brian
+ Candler <B.Candler@pobox.com>.
+
+TF/05 The fix for PH/43 was not completely correct; widen_domains is always
+ OK for addresses that are the result of redirections.
+
+PH/48 A number of further additions for the benefit of the new test suite,
+ including a fake gethostbyname() that interfaces to the fake DNS resolver
+ (see PH/47 above).
+
+TF/06 The fix for widen_domains has also been applied to qualify_single and
+ search_parents which are the other dnslookup options that can cause
+ header rewrites.
+
+PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter
+ type ("H").
+
+PH/50 Make never_users, trusted_users, admin_groups, trusted_groups expandable.
+
+TF/07 Exim produced the error message "an SRV record indicated no SMTP
+ service" if it encountered an MX record with an empty target hostname.
+ The message is now "an MX or SRV record indicated no SMTP service".
+
+TF/08 Change PH/13 introduced the possibility that verify=helo may defer,
+ if the DNS of the sending site is misconfigured. This is quite a
+ common situation. This change restores the behaviour of treating a
+ helo verification defer as a failure.
+
+PH/51 If self=fail was set on a router, the bounce message did not include the
+ actual error message.
+
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