Tools

Filtering Tools

IMGate

IMGate is an open source, multi-platform, complete mail firewall with anti-spam and anti-virus protection.

IMGate Advanced uses SpamAssassin for scanning message content for spam signatures, as well as 3rd party rulebases to detect specific types of spam. Spam can be tagged as spam and passed, blocked, or quarantined.

http://www.imgate.net/?page_id=101