mirror of
https://github.com/mail-in-a-box/mailinabox.git
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49 lines
1.8 KiB
Bash
49 lines
1.8 KiB
Bash
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# Spam filtering with spamassassin via spampd.
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apt-get -q -y install spampd dovecot-antispam
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# Hook into postfix. Replace dovecot with spampd as the mail delivery agent.
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tools/editconf.py /etc/postfix/main.cf virtual_transport=lmtp:[127.0.0.1]:10025
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# Hook into dovecot. This is actually the default but we don't want to lose track of it.
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tools/editconf.py /etc/default/spampd DESTPORT=10026
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# Automatically move spam into a folder called Spam. Enable the sieve plugin.
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# (Note: Be careful if we want to use multiple plugins later.)
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# The sieve scripts are installed by users_update.sh.
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sudo sed -i "s/#mail_plugins = .*/mail_plugins = \$mail_plugins sieve/" /etc/dovecot/conf.d/20-lmtp.conf
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# Enable the antispam plugin to detect when a message moves between folders so we can
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# pass it to sa-learn for training. (Be careful if we use multiple plugins later.)
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sudo sed -i "s/#mail_plugins = .*/mail_plugins = \$mail_plugins antispam/" /etc/dovecot/conf.d/20-imap.conf
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# When mail is moved in or out of the dovecot Spam folder, re-train.
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# from http://wiki2.dovecot.org/Plugins/Antispam
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cat > /usr/bin/sa-learn-pipe.sh << EOF;
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cat<&0 >> /tmp/sendmail-msg-\$\$.txt
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/usr/bin/sa-learn \$* /tmp/sendmail-msg-\$\$.txt > /dev/null
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rm -f /tmp/sendmail-msg-\$\$.txt
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exit 0
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EOF
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chmod a+x /usr/bin/sa-learn-pipe.sh
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cat > /etc/dovecot/conf.d/99-local-spampd.conf << EOF;
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plugin {
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antispam_backend = pipe
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antispam_spam_pattern_ignorecase = SPAM
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antispam_allow_append_to_spam = yes
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antispam_pipe_program_spam_arg = /usr/bin/sa-learn-pipe.sh --spam
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antispam_pipe_program_notspam_arg = /usr/bin/sa-learn-pipe.sh --ham
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antispam_pipe_program = /bin/bash
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}
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EOF
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# Initial training?
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# sa-learn --ham storage/mail/mailboxes/*/*/cur/
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# sa-learn --spam storage/mail/mailboxes/*/*/.Spam/cur/
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sudo service spampd restart
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sudo service dovecot restart
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