Run SpamAssassin on virtual_alias in Postfix

postfixspamassassin

Ever since I started using Postfix virtual_alias_maps to forward all my email to gmail, I'm getting a ton more spam than when I delivered the mail locally and used SpamAssassin/spamd to filter it. I'm already using smtpd_recipient_restrictions to do the standard spam filtering.

smtpd_recipient_restrictions =
                reject_invalid_hostname,
                reject_non_fqdn_hostname,
                reject_non_fqdn_sender,
                reject_non_fqdn_recipient,
                reject_unknown_sender_domain,
                reject_unauth_pipelining,
                permit_mynetworks,
                reject_unauth_destination,
                reject_rbl_client zen.spamhaus.org,
                reject_rbl_client list.dsbl.org,
                reject_rbl_client korea.services.net,
                permit

Is there anyway to run the mail through SpamAssassin before virtual_alias_maps forwarding?

Best Answer

You don't describe how you're doing your SA filtering at the moment, but if you're not putting virtual mail through it at the moment, I'm assuming that you're not using content_filter, which is the way it's usually hooked up. The SpamAssassin wiki seems to cover this setup pretty well, from a quick glance: http://wiki.apache.org/spamassassin/IntegratedSpamdInPostfix

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