xTerminator 

Block spam and most of worms before they even reach your mailbox. You'll be able to delete unwanted messages directly from the server thus saving valuable time and bandwidth.
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Spam Blackout 

Blocks Spam from your Inbox. Spam Blackout is safe and easy-to-use. Powerful Spam Filtering Engine. Works with Any Email Client Program e.g. Ms Outlook etc. Downloads from Hotmail, POP3 & IMAP. The Email Viewer is Virus Proof.
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SPAM Punisher 

Useful tool to fight back spam.
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