FYI FWD: SpamAssassin 3.0.0-pre3 is released!
Michele Neylon :: Blacknight Solutions
michele at BLACKNIGHTSOLUTIONS.COM
Fri Jul 23 08:24:56 IST 2004
jm at jmason.org wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> *** THIS IS A PRE-RELEASE ONLY, NOT THE FINAL 3.0.0 RELEASE ***
>
> SpamAssassin 3.0.0-pre3 is released! SpamAssassin 3.0.0 is a
> major update and includes a number of new email and anti-spam
> technologies.
>
> SpamAssassin is a mail filter which uses advanced statistical
> and heuristic tests to identify spam (also known as
> unsolicited bulk email).
>
> Highlights of the release
> - - -------------------------
>
> - SpamAssassin is now part of the Apache Software
> Foundation, bringing an
> improved and clearer software license, the 2.0 version of
> the Apache
> License.
>
> - We added a new architecture which allows third-parties to
> easily add
> plugin modules.
>
> - There is now SQL database support for both the Bayes and
> auto-whitelist subsystems, allowing more large sites to easily
> deploy SpamAssassin.
>
> - A more accurate simulation of email client handling of
> MIME and HTML
> improves our accuracy. In addition, there is better detection and
> handling of spammer techniques used to trick email clients
> and filters.
>
> - Web sites contained in the message body are checked against network
> databases of domains that advertise with spam.
>
> - SpamAssassin now includes support for SPF (the Sender
> Policy Framework,
> http://spf.pobox.com/).
>
> Downloading
> - - -----------
>
> Pick it up from:
>
>
> http://old.SpamAssassin.org/released/Mail-SpamAssassin-3.0.0-p
> re3.tar.gz
>
> http://old.SpamAssassin.org/released/Mail-SpamAssassin-3.0.0-p
> re3.tar.bz2
>
> http://old.SpamAssassin.org/released/Mail-SpamAssassin-3.0.0-pre3.zip
>
> md5sum:
>
> c2b2506fb4dd8ba8869e6dd6ed633e8f
> Mail-SpamAssassin-3.0.0-pre3.tar.bz2
> ef54126e47734c2c446a22ed77f5cdd3
> Mail-SpamAssassin-3.0.0-pre3.tar.gz
> d892bee323264e5a71aa4af718ac05b0 Mail-SpamAssassin-3.0.0-pre3.zip
>
> sha1sum:
>
> 410c5bb9c6203a39500613f5191e375b0b93146a
> Mail-SpamAssassin-3.0.0-pre3.tar.bz2
> 56d3f5ba687a0d1ab1c7fc491527d995ffc86761
> Mail-SpamAssassin-3.0.0-pre3.tar.gz
> 9acc52df5022edf24ffce992e5c3f6d3dac1185b
> Mail-SpamAssassin-3.0.0-pre3.zip
>
> The release files also have a .asc accompanying them. The
> file serves as an external GPG signature for the given
> release file. The signing key is available via the
> wwwkeys.pgp.net key server, as well as
> http://www.spamassassin.org/released/GPG-SIGNING-KEY
>
> The key information is:
>
> pub 1024D/265FA05B 2003-06-09 SpamAssassin Signing Key
> <release at spamassassin.o rg>
> Key fingerprint =3D 26C9 00A4 6DD4 0CD5 AD24 F6D7 DEE0 1987
> 265F A05B
>
> Important installation notes
> - - ----------------------------
>
> - - - The SpamAssassin 2.6x release series was the last set
> of releases to
> officially support perl versions earlier than perl 5.6.1.
> If you are
> using an earlier version of perl, you will need to upgrade
> before you
> can use the 3.0.0 version of SpamAssassin.
>
> - - - SpamAssassin 3.0.0 has a significantly different API
> (Application Program Interface) from the 2.x series of code. This
> means
> that if you
> use SpamAssassin through a third-party utility (milter,
> etc,) you need
> to make sure you have an updated version which supports 3.0.0.
>
> - - - The --auto-whitelist and -a options for "spamd" and
> "spamassassin" to turn on the auto-whitelist have been removed and
> replaced by the "use_auto_whitelist" configuration option which is
> also now
> turned on by
> default.
>
> - - - The "rewrite_subject" configuration setting was
> deprecated and is now
> removed. Instead, using "rewrite_header Subject [your
> desired setting]".
> e.g.
>
> rewrite_subject ****SPAM(_SCORE_)****
>
> becomes
>
> rewrite_header Subject ****SPAM(_SCORE_)****
>
> - - - The Bayesian storage modules have been completely
> re-written and now
> include Berkeley DB (DBM) storage as well as SQL based storage (see
> sql/README.bayes for more information). In addition, a new
> format has
> been introduced for the bayes database that stores tokens in fixed
> length hashes. All DBM databases should be automatically
> converted to
> this new format the first time they are opened for write. You can
> manually perform the upgrade by running "sa-learn --sync" from the
> command line.
>
> The "sa-learn --rebuild" command has been deprecated; please use
> "sa-learn --sync" instead. The --rebuild option will
> remain temporarily
> for backwards compatibility.
>
> - - - "spamd" now has a default max-children setting of 5; no
> more than 5
> child scanner processes will be run in parallel.
> Previously, there was
> no default limit unless you specified the "-m" switch when starting
> spamd.
>
> - - - If you are using a UNIX machine with all database files
> on local disks,
> and no sharing of those databases across NFS filesystems,
> you can use a
> more efficient, but non-NFS-safe, locking mechanism. Do
> this by adding
> the line "lock_method flock" to the /etc/mail/spamassassin/local.cf
> file. This is strongly recommended if you're not using NFS, as it is
> much faster than the NFS-safe locker.
>
> - - - Please note that the use of the following command line
> parameters for spamassassin and spamd have been deprecated and are
> now
> removed. If you
> currently use these flags, please remove them:
>
> in the 2.6x series: --add-from, --pipe, -F, -P,
> --stop-at-threshold, -S in the 3.0.x series: --auto-whitelist, -a
>
> - - - The following flags are deprecated and will be removed
> in a future major
> release: --whitelist-factory, -M, --warning-from, -w,
> --log-to-mbox, -l.
>
> - - - SpamAssassin runs in "taint mode" by default for
> improved security.
> Certain third-party modules, such as Razor v2, may be
> incompatible with
> taint mode. For Razor v2, you will need to be using v2.40 of
> razor-agents or higher which allows taint mode by default. Earlier
> versions which are patched to allow taint mode may be used as well.
>
> - - - Finally, 2.6x deprecated the use of the
> "check_bayes_db" script, and it
> is now no longer available. Please see the sa-learn man/pod
> documentation for more info.
>
> Summary of major changes since 2.6x
> - - -----------------------------------
>
> Licensing:
>
> - Relicensed using Apache License v2.0, instead of dual
> GPL/PAL licensing,
> since we are now an Apache Incubator project.
>
> New rules:
>
> - SPF testing, if the Mail::SPF::Query module is installed.
>
> - added new rules and code to combat Bayes poisoning text and random
> hash-busters; Habeas rules now verify against the Habeas user
> list, to combat forged marks used in spam.
>
> - URIDNSBL rules. These do DNSBL lookups on URLs, allowing
> URLs found
> in the message body to be used in spam determination.
> Added the SURBL
> blocklist (http://www.surbl.org/).
>
> - Spamhaus XBL and a variety of new DNSBL rules
>
> - Hashcash support.
>
> - added Bob Menschel's 'longwords' rules
>
> - added 'backhair' rule, technique based on Jennifer
> Wheeler's ruleset
>
> - added Matt Kettler's 'antidrug' ruleset
>
> - added anti-fraud rules from Matt Yackley
>
> - added some hostname-based blocklist tests based on the envelope
> sender address.
>
> - a *lot* of other new rules, too many to detail here
>
> Spamd:
>
> - spamd now uses a 'preforking' model instead of 'fork per message'.
>
> - new log format, detailing message-id, resent-message-id,
> the tests hit,
> autolearn status, and several other things in a
> mass-check compatible
> format, to provide more information for spamd
> log-summarizer scripts.
>
> Infrastructure:
>
> - Plugins. Third-party modules can now be written and
> loaded dynamically
> from inside SpamAssassin, to provide support for entirely
> new rule types
> or eval tests.
>
> - SQL support for Bayes and AWL storage, thanks to Michael Parker.
> See sql/README.bayes and sql/README.awl for additional
> information.
>
> - ground-up rewrite of the MIME parser. Now deals
> correctly with complex
> MIME structures, including entire message/rfc822 message
> attachments.
>
> - rules can now test the "MAIL FROM:" address used in the
> SMTP transaction,
> if it was logged to the message headers, using the "EnvelopeFrom"
> pseudoheader. This allows rules such as SPF to be applied.
>
> - Added optional faster but NFS-unsafe Bayes locking
> mechanism, using
> "lock_method flock"
>
> - support for parsing mbx mailboxes, as used by UW IMAP.
> Thanks to John
> Newman for this patch.
>
> - refactored configuration parser to split parser code from
> configuration settings.
>
> - Bayes databases can now be backed up and restored using
> --backup and
> --restore.
>
> - Config files can now include other files using the "include"
> command.
>
> - replaced GA-based evolver with fast Perceptron score
> generation tool by
> Henry Stern; scores can now be generated much more quickly.
>
> - The "spamassassin" script can now check collections of
> mail en masse. This
> lets us do things like 'spamassassin -d --mbox file1' and have the
> functionality go over the entire mbox file. same for
> checks, adding to
> white/black-lists, etc.
>
> Translations:
>
> - Dutch translation, thanks to Jesse Houwing
>
> - Polish translations from Jerzy Szczudlowski and radek at
> alter dot pl
>
> - French translations, Michel Bouissou
>
> - German translations, Daniel Roethlisberger
>
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Mr Michele Neylon
Blacknight Internet Solutions Ltd
http://www.blacknight.ie/
Tel. +353 59 9137101
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