注:下面的网站有些用户可能无法访问，请使用代理服务器
A mail virus scanner that works as a content filter in Postfix. It scans incoming mail for spam pattern (using the well-known spamassassin) or viruses.
http://www.flakshack.com/anti-spam/
参考资料
<<手把手装postfix+ldap>> 作者:[email protected] 出处:http://kunmail.cz8.net/install/install.htm
http://www.delouw.ch/linux/Postfix-Cyrus-Web-cyradm-HOWTO/html/t1.html