1. POPFile - Free Spam Filter POPFile is a powerful and flexible email classification POP and NNTP proxy that you can use to filter spam efficiently and categorize good mail automatically. Unfortunately, POPFile can grow a bit heavy on memory and cpu load if you have trained on lots of mail. 2. eXpurgate - Free Spam Filter
eXpurgate is an effortless but highly effective spam (and virus) filtering service. Its only real shortcoming is that eXpurgate relies on forwarding and requires two different email accounts. 3. Spamihilator - Free Spam Filter Heinz Tschabitscher Spamihilator is a pretty, easy to use anti-spam tool that works with any email client and, thanks to Bayesian filters, has a good detection rate. You cannot remotely administer or teach Spamihilator, however. 4. Spamato - Free Spam Filter Heinz Tschabitscher Spamato filters POP and IMAP accounts for spam with the potential for high precision and plug-ins that make it easy to use in Outlook and Mozilla Thunderbird. Unfortunately, Spamato can be a bit overwhelming with its multitude of options and little help. 5. SpamBayes - Free Spam Filter Heinz Tschabitscher SpamBayes employs sophisticated analysis using Bayesian statistics to rid your email Inbox of junk mail precisely and in an effortless manner. 6. SpamPal - Free Spam Filter Heinz Tschabitscher SpamPal makes it easy to use spam blacklists with any email account. Bayesian and scoring filters add further spam protection. Unfortunately, many lists aren't as well-maintained as they should be. 7. K9 - Free Spam Filter Heinz Tschabitscher K9 is a wonderfully precise, easy to use and fast learning Bayesian spam filtering tool. It's a pity this gem only works with POP accounts and lacks remote administration. 8. Cactus Spam Filter - Free Spam Filter Heinz Tschabitscher Cactus Spam Filter is a really easy to use and pretty precise spam filter. It's a pity it only works with POP accounts and does not leverage its power for further pre-sorting the good mail. 9. SpamRIP - Free Spam Filter Heinz Tschabitscher SpamRIP is a highly precise spam filter for any POP email account. A separate program, it lets you preview and delete junk before it reaches your default inbox. Unfortunately, SpamRIP does not work with IMAP accounts, is a tad clumsy to use and may crash now and then. 10. BullGuard Spamfilter - Free Spam Filter Heinz Tschabitscher BullGuard Spamfilter plugs into Outlook, Outlook Express and Mozilla Thunderbird to filter spam quite effectively and without much effort on your part. [IMAGE]
