This spam filter is a precise and very easy-to-use Protection for Microsoft Outlook. It learns to Detect spam as it's being used. After a short while this spam killer has adapted to your personal mailbox and blocks out most of the junk. E-mails classified as spam are automatically moved a 'spam' folder in which they can be examined by you.
For the moment it's compatible for Outlook 2002 or later. This is the BETA version and has not been tested on other operating system than Windows XP. It's not stable yet! Cactus Spam Filter works for Outlook and is stable!