kicom - KicomAV is an open source (GPL v2) antivirus engine designed for detecting malware and disinfecting...
SpamAssassin - Use this program to "Unspam" your mailbox(es).
CS Anti-Virus - CS Anti-Virus is a wrapper of the ClamAV (v.0.96) open source antivirus engine. Provide real time shield, process/memory scanner, file/path scanner, scheduled s...
Rspamd - Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...
cPGuard - cPGuard is Security Suite for Linux Web Hosting Servers
Oikik Antispam - Oikik is a cloud-based email filtering service that works with your existing email service.