Secure Mail Intelligence!

Homepage: http://www.m2smi.com/
Supports: libclamav
SMI! is a server side e-mail protection solution that combines firewall elements, intrusion detection system, anti-virus and anti-spam modules. SMI! can use up to 7 anti-virus scanners (including ClamAV) at the same time and 3 different spam filtering engines. A built-in SMTP engine allows SMI! to directly send mail alerts. Other features include: Routing & Queuing Module, Disclaimer & Messages Module, Updater Module, Policy CheckModule, Mail Storage Module, Image Analysis Module, Cryptography Series and Mail Analysis. SMI! runs on Microsoft Windows 98/NT/2k/XP/2003 platforms (both Professional and Server releases), Linux (i586), OpenBSD, FreeBSD and Solaris 9 (x86 and SPARC) and supports almost all SMTP software including Lotus Domino and Microsoft Exchange. The daemon part based on libclamav is licensed under the GPL.