AVIRA Antivirus for Postfix is a comprehensive antivirus solution for Linux mailservers, functioning at high speed and filtering against malicious contents by checking both incoming and outgoing emails. AVIRA Antivirus for Postfix runs as a plug-in for Postfix and supports Access Control Lists. It runs on common Linux Distributions - Red Hat, SuSE, Debian, Mandrake, Fedora, Gentoo, Slackware.