Re: [exim] Testing Exim 4.70 prerelease

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Lähettäjä: Ian Eiloart
Päiväys:  
Vastaanottaja: Tom Kistner, Exim Users
Kopio: exim-dev
Aihe: Re: [exim] Testing Exim 4.70 prerelease


--On 13 October 2009 17:38:49 +0200 Tom Kistner <tom@???> wrote:

> The release of Exim 4.70 is on the horizon. A lot of stuff has
> accumulated in CVS since January 2008. Since we want to give the current
> code some wider exposure, please accept this invitation to test a 4.70
> pre-release.


This is great news. And SO nice not to have to go hunting for the
changelist! Thanks, Tom!

> 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".




--
Ian Eiloart
IT Services, University of Sussex
01273-873148 x3148
For new support requests, see http://www.sussex.ac.uk/its/help/