Matador Spam Fighter 

Matador Spam Fighter avoids all unsolicited emails from collapsing your inbox. A great bayesian filter analyzes each email content and determines it spam probability against the knowledge acquired by automatically learning from your existing emails.
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Mail Snoop Pro 

Mail Snoop Pro is an anti-spam and email notification application designed to monitor any number of Pop3/SSL Pop3/IMAP/SSL IMAP mailboxes, finding and deleting spam without disturbing you and alerting you when there is new mail you need to see
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All in One SECRETMAKER 

All-in-One SECRETMAKER is your Swiss Army Knife for the Internet: Spam Fighter, Pop-Up Killer, Cookie Eraser, History Cleaner, Privacy Protector, Banner Blocker and Worm Hunter. All-in-One SECRETMAKER is freeware. Suitable for newbie's and pro.
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