Exim4+spamassassin+sa-exim

# 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 1
#   Set which networks or hosts are considered 'trusted' by your mail
#   server (i.e. not spammers)
#
 trusted_networks 192.168.5.
#   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
#   Bayesian classifier auto-learning (default: 1)
#
 bayes_auto_learn 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