POPFile POPFile classifies email into categories you define. It can sort into spam and not spam or into any number of categories you like (e.g. work, personal, important... Free Open Source Mac OS X Windows Linux No features added Add a feature 7 Like
Spamato Spamato is a spam filter system that combines several anti-spam techniques, from which thousands of users benefit. It is available as an add-on for Thunderbird and... Free Open Source Mac OS X Windows Linux No features added Add a feature 1 Like Discontinued The project is no longer developed. Last version, 0.99.9, released in August 2007, can be still downloaded from SourceForge.
SpamSieve Save time by adding powerful spam filtering to the e-mail client on your Mac. One of the only standalone spam filtering softwares for Mac. Commercial Mac OS X No features added Add a feature 1 Like
SpamBayes The SpamBayes project is working on developing a statistical (commonly, although a little inaccurately, referred to as Bayesian) anti-spam filter, initially based on the... Free Open Source Mac OS X Windows Linux IncrediMail Microsoft Office Outlook ... Thunderbird Microsoft Outlook Express Windows Live Mail No features added Add a feature 2 Like
