ORF Enterprise Edition 

ORF Enterprise Edition is an enterprise-level anti-spam solution that helps you to block spam before it reaches your network. ORF uses a combination of anti-spam technologies to stop the spam on SMTP protocol level.
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Spamdel 

Security tray based utility ideal for Outlook/Outlook Express (or any other email program). Dial-up manager, quick email reply, email notifier, email filter, anti-spam, and more. Lets you view and delete mail on the server before it reaches your PC.
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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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POP3 Sweeper 

Delete unwanted email messages directly from your POP3 server email account mailbox. Anti spam, spam filter.
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ListManger 

Whether you want to sort URL- or email lists, remove duplicated elements, split, merge and substract unsubscribed lists, our List Manager can do it all! Particularly it stands out by its brilliant filtering function.
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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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