One of our clients is using MailScanner (http://www.mailscanner.info/ ) as anti-spam filter on a fedora system. The ms provides many options to fine tune how to handle spam emails.
In the first place, we have to enable the spam check feature in /etc/mail/MailScanner.conf and tells ms which spam filter to use.
# Spam Detection and Spam Lists (DNS blocklists)
# ----------------------------------------------
Spam Checks = yes
Spam List = spamhaus-ZEN spamcop.net
The information we provided to the directive 'Spam List' is a reference to the spam filter definitions in spam.lists.conf.
The default installation of spam.lists.conf already includes some common spam filter definitions and we can add further as necessary.
spam.lists.conf
--------------------
spamhaus.org sbl.spamhaus.org.
spamhaus-XBL xbl.spamhaus.org.
spamhaus-PBL pbl.spamhaus.org.
spamhaus-ZEN zen.spamhaus.org.
SBL+XBL sbl-xbl.spamhaus.org.
spamcop.net bl.spamcop.net.
NJABL dnsbl.njabl.org.
Next, we need to define how to handle spam emails in /etc/MailScanner/MailScanner.conf:
Spam Actions = store forward admin@mydomain.com
The above instructs ms to store a copy of the incoming spam in quarantine and also forward to admin@mydomain.com. Alternatively, we can simple discard them as below:
Spam Actions = delete
To make the changes effective, we have to restart ms. Mailscanner will also restart itself regularly (see the 'Restart Every =' in mailscanner.conf).
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