A plugin for Outlook Express which uses statistical analysis to filter Spam. Works with a POP3 inbox. (Windows 98/ME/NT/2000/XP)

Fuzzy-logic based anti-spam filter for Windows systems.

Filter that works with any POP3 client. Uses Bayesian filtering.

Offering five different filter types that let you filter on any part of a message.

Bayesian spam filter specifically for POP3 accounts and Microsoft Outlook 2000/2002/2003.

SpamMonitor works in conjunction with file based mail servers, like Mdaemon, MailCoach, MS SMTP service, Winroute, etc. It will monitor for new files with a certain extension and passes all new messages to the spam filter.

Bayesian spam filter for Outlook Express, Outlook and all POP3 clients. Available for Windows 98/ME/NT/2000/XP.

Java POP3 proxy that classifies mail using a Bayesian filter.