Chrysanth Mail Manager 

Chrysanth Mail Manager is a spam blocker designed from the ground up to help users effectively stop junk emails or "SPAM". This spam blocker helps users identify, filter and stop junk emails on mail server without having to download the junk emails.
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SpamWasher 

Stop spam and junk e-mail with SpamWasher. This unique and intuitive product allows you to block spam from entering your inbox, while allowing e-mail from trusted senders to pass immediately! Now with Hotmail and MSN support!
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