"This document describes how to integrate ASSP (Anti-Spam SMTP Proxy) with embedded ClamAV into a mail server based on Postfix featuring virtual users and domains, i.e. users and domains that are in a MySQL database. It rests upon parts of the howto Users And Domains With Postfix, Courier And MySQL (Debian Etch) from Falko Timme.
"The resulting Postfix server is functionally almost identic with the one from the howto above mentioned, but doesn't need Amavisd. ASSP provides a comfortable, considerable web-interface for setup/configuration..."