Cactus Spam Filter is a free easy-to-use spam blocker. It protects your inbox by learning to detect spam as it’s being used. After a short while it has adapted to your personal mailbox and blocks out most of the junk e-mail. Since the filter becomes personal, spammers will not be able to fool it.

Program Information Category: Tools and Utilities Type: Free Version: 3.00 Beta 3 Size: 698KB Works on: Windows Product page: here