This is great news. And SO nice not to have to go hunting for the
> You can get the current code by pulling a snapshot from
> David's GIT shadow:
>
> git clone git://git.exim.org/exim-src.git
>
> Or wget a tarball here:
>
> http://duncanthrax.net/temp/exim-4.70-RC-20091013.tar.gz
>
> Feel free to post testing results to this list - no matter if positive
> or negative.
>
> The main new features are:
>
> * Native DKIM support without an external library.
> Docs: http://www.exim.org/~tom/doctest/ch54.html
>
> * Experimental DCC support via dccifd (contributed
> by Wolfgang Breyha). See further below for docs.
>
>
> Other changes:
>
> * PCRE removed from Exim distribution. You will need
> a separate PCRE library (and matching headers) to
> compile Exim.
>
> * Experimental Yahoo! Domainkeys support dropped in
> favor of native DKIM support.
>
>
> Here's the full changelog:
>
> TK/01 Added patch by Johannes Berg that expands the main option
> "spamd_servers" if it starts with a dollar sign.
>
> TK/02 Write list of recipients to X-Envelope-Sender header when building
> the mbox-format spool file for content scanning (suggested
> by Jakob Hirsch)
>
> TK/03 Added patch by Wolfgang Breyha that adds experimental DCC
> (http://www.dcc-servers.net/) support via dccifd. Activated by
> setting EXPERIMENTAL_DCC=yes in Local/Makefile. Check out
> experimental_spec.txt for more documentation.
>
> TK/04 Bugzilla 673: Add f-protd malware scanner support. Patch submitted
> by Mark Daniel Reidel <mr@???>.
>
> NM/01 Bugzilla 657: Embedded PCRE removed from the exim source tree.
> When building exim an external PCRE library is now needed -
> PCRE is a system library on the majority of modern systems.
> See entry on PCRE_LIBS in EDITME file.
>
> NM/02 Bugzilla 646: Removed unwanted C/R in Dovecot authenticator
> conversation. Added nologin parameter to request.
> Patch contributed by Kirill Miazine
>
> TF/01 Do not log submission mode rewrites if they do not change the
> address.
>
> TF/02 Bugzilla 662: Fix stack corruption before exec() in daemon.c.
>
> NM/03 Bugzilla 602: exicyclog now handles panic log, and creates empty
> log files in place. Contributed by Roberto Lima
>
> NM/04 Bugzilla 667: close socket used by dovecot authenticator
>
> TF/03 Bugzilla 615: When checking the local_parts router precondition
> after a local_part_suffix or local_part_prefix option, Exim now
> does not use the address's named list lookup cache, since this
> contains cached lookups for the whole local part.
>
> NM/05 Bugzilla 521: Integrated SPF Best Guess support contributed by
> Robert Millan. Documentation is in experimental-spec.txt
>
> TF/04 Bugzilla 668: Fix parallel build (make -j).
>
> NM/05 Bugzilla 437: Prevent Maildix aux files being created with
> mode 000
>
> NM/05 Bugzilla 598: Improvement to Dovecot authenticator handling.
> Patch provided by Jan Srzednicki
>
> TF/05 Leading white space used to be stripped from $spam_report which
> wrecked the formatting. Now it is preserved.
>
> TF/06 Save $spam_score, $spam_bar, and $spam_report in spool files, so
> that they are available at delivery time.
>
> TF/07 Fix the way ${extract is skipped in the untaken branch of a
> conditional.
>
> TF/08 TLS error reporting now respects the incoming_interface and
> incoming_port log selectors.
>
> TF/09 Produce a more useful error message if an SMTP transport's hosts
> setting expands to an empty string.
>
> NM/06 Bugzilla 744: EXPN did not work under TLS.
> Patch provided by Phil Pennock
>
> NM/07 Bugzilla 769: Extraneous comma in usage fprintf
> Patch provided by Richard Godbee
>
> NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
> acl_smtp_notquit, added index entry.
>
> NM/09 Bugzilla 787: Potential buffer overflow in string_format
> Patch provided by Eugene Bujak
>
> NM/10 Bugzilla 770: Problem on some platforms modifying the len
> parameter to accept()
> Patch provided by Maxim Dounin
>
> NM/11 Bugzilla 749: Preserve old behaviour of blanks comparing equal to
> zero.
> Patch provided by Phil Pennock
>
> NM/12 Bugzilla 497: Correct behaviour of exiwhat when no config exists.
>
> NM/13 Bugzilla 590: Correct handling of Resent-Date headers.
> Patch provided by Brad "anomie" Jorsch
>
> NM/14 Bugzilla 614: Added timeout setting to transport filter.
> Patch provided by Dean Brooks
>
> TK/05 Add native DKIM support (does not depend on external libraries).
>
>
>
> Documentation for experimental dccifd support
> ---------------------------------------------
> *) Building exim
>
> In order to build exim with DCC support add
>
> EXPERIMENTAL_DCC=yes
>
> to your Makefile. (Re-)build/install exim. exim -d should show
> EXPERIMENTAL_DCC under "Support for".
>
> *) Configuration
>
> In the main section of exim.conf add at least
>
> dccifd_address = /usr/local/dcc/var/dccifd
>
> or
>
> dccifd_address = <ip> <port>
>
> In the DATA ACL you can use the new condition
>
> dcc = *
>
> After that "dcc_header" contains the X-DCC-Header.
>
> *** WARNING: return codes changed from previous releases!
>
> Return values are:
> "fail" for overall "R", "G" from dccifd
> "defer" for overall "T" from dccifd
> "accept" for overall "A", "S" from dccifd
>
> dcc = */defer_ok works as for spamd.
>
> dcc_result contains the overall result from DCC answer
>
> usually you'll use
>
> defer !dcc = *
>
> to greylist with DCC. If
>
> dcc_direct_add_header = true
>
> is set, then the dcc header will be added "in deep" and if the spool
> file was already written it gets removed. This forces exim to write it
> again if needed.
> This helps to get the DCC Header through to eg. SpamAssassin.
>
> If you want to pass even more headers in the middle of the DATA stage
> you can use $acl_m_dcc_add_header to add information from eg. ClamAV.
>
> Be careful. Header syntax is not checked and added "as is".