Browse free open source Email Spam Filter software and projects for BSD below. Use the toggles on the left to filter open source Email Spam Filter software by OS, license, language, programming language, and project status.
An easy-to-use anti-spam email gateway
Anti-Spam SMTP Proxy Server implements multiple spam filters
Protects you from spam mails and virus mails effectively with milter
SMTP email proxy and relay server
Fast Bayesian spam filter along lines suggested by Paul Graham
AV/content filter for Qmail
commandline multiclass email and text filter