Spamassassin

Links

• http://www.postfix-howto.de/konfiguration/spamassassin.htm
• http://wiki.apache.org/spamassassin/CustomRulesets
• http://wiki.apache.org/spamassassin/WritingRules
• http://spamassassin.apache.org/full/3.1.x/doc/Mail_SpamAssassin_Conf.html
• http://wiki.apache.org/spamassassin/WritingRules
• http://www.rootforum.org/forum/viewtopic.php?f=110&t=22591
• http://www.lrz.de/services/netzdienste/email/spam-filter/

Installation

apt-get install spamassassin spamc
groupadd -g 5001 spamd
useradd -u 5001 -g spamd -s /sbin/nologin -d /var/lib/spamassassin spamd
mkdir /var/lib/spamassassin
chown spamd:spamd /var/lib/spamassassin

#/etc/default/spamassassin
ENABLED=1
SAHOME=”/var/lib/spamassassin/”
OPTIONS="--create-prefs --max-children 5 --username spamd --helper-home-dir ${SAHOME} -s ${SAHOME}spamd.log"
PIDFILE=”${SAHOME}spamd.pid”

/etc/spamassassin/local.cf

#/etc/spamassassin/local.cf
# This is the right place to customize your installation of SpamAssassin.
#
# See 'perldoc Mail::SpamAssassin::Conf' for details of what can be
# tweaked.
#
# Only a small subset of options are listed below
#
###########################################################################


#   Add *****SPAM***** to the Subject header of spam e-mails
#
 rewrite_header Subject *****SPAM*****


#   Save spam messages as a message/rfc822 MIME attachment instead of
#   modifying the original message (0: off, 2: use text/plain instead)
#
# report_safe 0


#   Set which networks or hosts are considered 'trusted' by your mail
#   server (i.e. not spammer)

 trusted_networks 127.0.0.1  


#   Set file-locking method (flock is not safe over NFS, but is faster)
#
# lock_method flock


#   Set the threshold at which a message is considered spam (default: 5.0)
#
 required_score 5.0


#   Use Bayesian classifier (default: 1)
#
 use_bayes 1
 use_bayes_rules 1

#   Bayesian classifier auto-learning (default: 1)
#
 bayes_auto_learn 1

# Enable or disable network checks
skip_rbl_checks         0
use_razor2              1
use_dcc                 1
use_pyzor               1


#   Set headers which may provide inappropriate cues to the Bayesian
#   classifier
#
# bayes_ignore_header X-Bogosity
# bayes_ignore_header X-Spam-Flag
# bayes_ignore_header X-Spam-Status