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Merge branch 'jmar71n-master' - site-wide bayesean spam filtering

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This commit is contained in:
Joshua Tauberer 2014-09-27 16:18:55 +00:00
commit 94c4352f45
1 changed files with 16 additions and 4 deletions
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20
setup/spamassassin.sh Normal file → Executable file
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@ -1,3 +1,4 @@
#!/bin/bash
# Spam filtering with spamassassin via spampd
#############################################
@ -9,6 +10,7 @@
# plugin. The tools/mail.py tool creates the necessary sieve script for each mail
# user when the mail user is created.
source /etc/mailinabox.conf # get global vars
source setup/functions.sh # load our functions
# Install packages.
@ -33,13 +35,14 @@ sudo sed -i "s/#mail_plugins = .*/mail_plugins = \$mail_plugins antispam/" /etc/
# When mail is moved in or out of the Dovecot Spam folder, re-train using this script
# that sends the mail to spamassassin.
# from http://wiki2.dovecot.org/Plugins/Antispam
cat > /usr/bin/sa-learn-pipe.sh << EOF;
rm -f /usr/bin/sa-learn-pipe.sh # legacy location
cat > /usr/local/bin/sa-learn-pipe.sh << EOF;
cat<&0 >> /tmp/sendmail-msg-\$\$.txt
/usr/bin/sa-learn \$* /tmp/sendmail-msg-\$\$.txt > /dev/null
rm -f /tmp/sendmail-msg-\$\$.txt
exit 0
EOF
chmod a+x /usr/bin/sa-learn-pipe.sh
chmod a+x /usr/local/bin/sa-learn-pipe.sh
# Configure the antispam plugin to call sa-learn-pipe.sh.
cat > /etc/dovecot/conf.d/99-local-spampd.conf << EOF;
@ -47,12 +50,21 @@ plugin {
antispam_backend = pipe
antispam_spam_pattern_ignorecase = SPAM
antispam_allow_append_to_spam = yes
antispam_pipe_program_spam_args = /usr/bin/sa-learn-pipe.sh;--spam
antispam_pipe_program_notspam_args = /usr/bin/sa-learn-pipe.sh;--ham
antispam_pipe_program_spam_args = /usr/local/bin/sa-learn-pipe.sh;--spam
antispam_pipe_program_notspam_args = /usr/local/bin/sa-learn-pipe.sh;--ham
antispam_pipe_program = /bin/bash
}
EOF
# Tell spamassassin where to load and store site-wide bayesean filtering data.
mkdir -p $STORAGE_ROOT/mail/spamassassin
chown -R mail:mail $STORAGE_ROOT/mail/spamassassin
chmod -R 775 $STORAGE_ROOT/mail/spamassassin
tools/editconf.py /etc/spamassassin/local.cf -s \
bayes_path=$STORAGE_ROOT/mail/spamassassin/bayes
# Initial training?
# sa-learn --ham storage/mail/mailboxes/*/*/cur/
# sa-learn --spam storage/mail/mailboxes/*/*/.Spam/cur/