SpamEater Pro 

Since 1997, SpamEater Pro has been a leader in the spam fighting tools category. With the NEW SpamEater Pro 4.0, it even more powerful and easier to use with it's XP style interface. With SpamEater Pro you can fight spam easily and effectively.
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Purgy 

Anti-spam software for Windows. It accepts emails from senders you trust while asking unknown senders to verify themselves by replying to an email. After positive verification it adds them to your approved sender list and delivers all their messages.
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