
OPENAS.ORG
Open AS Communication Gateway - Open Source Antispam ApplianceOpen AS on Github. Enterprise-grade spam and virus filtering appliance with an open license. Developed by experienced server administrators, our open source solution includes no mercy for spammers,. Scam and malware, keeping your mailboxes clean and safe - for free! Browse the code on Github. Start with one unit and grow as required. Built-in clustering features provide fault tolerance. Intelligent spam and fraud detection mechanisms, external anti-virus integration. Deploying a packages-based setup.
http://www.openas.org/