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63 lines
2.1 KiB
Bash
63 lines
2.1 KiB
Bash
# Spam filtering with dspam.
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#
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# This mostly works. But dspam crashes. So..... we're not using this.
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apt-get -q -y install dspam libdspam7-drv-sqlite3 dovecot-antispam dovecot-sieve
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# Let it turn on.
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sed -i "s/START=no/START=yes/" /etc/default/dspam
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# Override some of the basic settings that have default values we don't like.
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# Listen as an SMTP server, and pass messages back directly to dovecot.
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tools/editconf.py /etc/dspam/dspam.conf -s \
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Home=$STORAGE_ROOT/mail/dspam \
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ServerMode=standard \
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ServerHost=127.0.0.1 \
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ServerParameters=--deliver=innocent \
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DeliveryProto=LMTP \
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DeliveryHost=/var/run/dovecot/lmtp \
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Tokenizer=osb
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# Put other settings into a local configuration file.
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cat > /etc/dspam/dspam.d/local.conf << EOF;
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IgnoreHeader X-Spam-Status
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IgnoreHeader X-Spam-Scanned
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IgnoreHeader X-Virus-Scanner-Result
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IgnoreHeader X-Virus-Scanned
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IgnoreHeader X-DKIM
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IgnoreHeader DKIM-Signature
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IgnoreHeader DomainKey-Signature
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IgnoreHeader X-Google-Dkim-Signature
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EOF
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# Global preferences.
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tools/editconf.py /etc/dspam/default.prefs \
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spamAction=deliver \
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signatureLocation=headers \
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showFactors=on
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# Hook into postfix. Replace dovecot with dspam as the mail delivery agent.
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# dspam is configured above to pass mail on to dovecot next.
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tools/editconf.py /etc/postfix/main.cf virtual_transport=lmtp:[127.0.0.1]:2424
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# Hook into dovecot... these aren't tested.
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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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sudo sed -i "s/#mail_plugins = .*/mail_plugins = \$mail_plugins sieve/" /etc/dovecot/conf.d/20-lmtp.conf
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# The sieve scripts are installed by users_update.sh.
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# to detect when a message moves between folders so we can
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# pass it to dspam for training. (Be careful if we use multiple plugins later.)
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# This is not finished.
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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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# Create storage space.
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mkdir -p $STORAGE_ROOT/mail/dspam
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chown dspam:dspam $STORAGE_ROOT/mail/dspam
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service dspam restart
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service postfix restart
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