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Mailing List Archive: SpamAssassin: announce

ANNOUNCE: SpamAssassin 3.1.0 available!

 

 

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jm at jmason

Sep 14, 2005, 4:52 PM

Post #1 of 1 (5442 views)
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ANNOUNCE: SpamAssassin 3.1.0 available!

SpamAssassin 3.1.0 is released! SpamAssassin 3.1.0 is a major update.
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
-------------------------

- Apache preforking algorithm adopted; number of spamd child processes is now
scaled, according to demand. This provides better VM behaviour when not
under peak load.

- added PostgreSQL, MySQL 4.1+, and local SDBM file Bayes storage modules. SQL
storage is now recommended for Bayes, instead of DB_File. NDBM_File support
has been dropped due to a major bug in that module.

- detect legitimate SMTP AUTH submission, to avoid false positives on
Dynablock-style rules.

- new plugins: DomainKeys (off by default), MIMEHeader: a new plugin to perform
tests against header in internal MIME structure, ReplaceTags: plugin by Felix
Bauer to support fuzzy text matching, WhiteListSubject: plugin added to
support user whitelists by Subject header.

- Razor: disable Razor2 support by default per our policy, since the service is
not free for non-personal use. It's trivial to reenable (by editing
'/etc/mail/spamassassin/v310.pre').

- DCC: disable DCC for similar reasons, due to new license terms.

- Net::DNS bug: high load caused answer packets to be mixed up and delivered as
answers to the wrong request, causing false positives. worked around.

- DNSBL lookups and other DNS operations are now more efficient, by using a
custom single-socket event-based model instead of Net::DNS.


Downloading
-----------

Pick it up from:

http://SpamAssassin.apache.org/

Note, it may take up to two hours from now for that mirror to update.

md5sum:

d28bd7e83d01b234144e336bbfde0caa Mail-SpamAssassin-3.1.0.tar.bz2
f70c1fcab3d9563731bbc307eda7d69e Mail-SpamAssassin-3.1.0.tar.gz
65e9629ce255244fe3cb3d9772cdf239 Mail-SpamAssassin-3.1.0.zip

sha1sum:

0185f076f619dd9e64e94b453017f9b08d4b0f04 Mail-SpamAssassin-3.1.0.tar.bz2
d887cbae5962cb03e45aaf71cd93881a27cccc99 Mail-SpamAssassin-3.1.0.tar.gz
8b9494448782f910e573377bf226a8072f24bb3f Mail-SpamAssassin-3.1.0.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://spamassassin.apache.org/released/GPG-SIGNING-KEY

The key information is:

pub 1024D/265FA05B 2003-06-09 SpamAssassin Signing Key <release [at] spamassassin>
Key fingerprint =3D 26C9 00A4 6DD4 0CD5 AD24 F6D7 DEE0 1987 265F A05B


Important installation notes
----------------------------

- see the INSTALL and UPGRADE files in the distribution.


Summary of major changes since 3.0.x
------------------------------------

- Apache preforking algorithm adopted; number of spamd child processes is now
scaled, according to demand. This provides better VM behaviour when not
under peak load.

- Inclusion of sa-update script which will allow for updates of rules and
scores in between code releases.

- added PostgreSQL, MySQL 4.1+, and local SDBM file Bayes storage modules. SQL
storage is now recommended for Bayes, instead of DB_File. NDBM_File support
has been dropped due to a major bug in that module.

- detect legitimate SMTP AUTH submission, to avoid false positives on
Dynablock-style rules.

- new Advance Fee Fraud (419 scam) rules.

- removed use of the Storable module, due to several reported hangs on SMP
Linux machines.

- Converted several rule/engine components into Plugins such as:
AccessDB, AWL, Pyzor, Razor2, DCC, Bayes AutoLearn Determination, etc.

- new plugins: DomainKeys (off by default), MIMEHeader: a new plugin to perform
tests against header in internal MIME structure, ReplaceTags: plugin by Felix
Bauer to support fuzzy text matching, WhiteListSubject: plugin added to
support user whitelists by Subject header.

- TextCat language guesser moved to a plugin. (This means "ok_languages"
is no longer part of the core engine by default.)

- Razor: disable Razor2 support by default per our policy, since the
service is not free for non-personal use. It's trivial to reenable.

- DCC: disable DCC for similar reasons, due to new license terms.

- Net::DNS bug: high load caused answer packets to be mixed up and delivered as
answers to the wrong request, causing false positives. worked around.

- DNSBL lookups and other DNS operations are now more efficient, by using a
custom single-socket event-based model instead of Net::DNS.

- add support for accreditation services, including Habeas v2.

- better URI parsing -- many evasion tricks now caught.

- URIBL lookups are prioritized based on the location in the message
the URI was found.

- mass-check now supports reusing realtime DNSBL hit results, and sample-based
Bayes autolearning emulation, to reduce complexity.

- sa-learn, spamassassin and mass-check now have optional progress bars.

- modify header ordering for DomainKeys compatibility, by placing markup
headers at the top of the message instead at the bottom of the list.

- spamd/spamc now support remote Bayes training, and reporting spam.

- spamc now supports reading its flags from a configuration file using the -F
switch, contributed by John Madden.

- added SPF-based whitelisting.

- Polish rules contributed by Radoslaw Stachowiak.

- many rule changes and additions.


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