Pop Marshall - Protect your inbox from junk e-mails.

POPFile - Automatically filter out spam e-mail.

Qurb - Filter spam from your Outlook and Outlook Express Inbox.

Saavor - Stop spam from reaching your inbox with this powerful e-mail client.

SAproxy Pro - Filter spam from any desktop e-mail program that accesses POP e-mail accounts.

Screechy SpamFZ 2004 - Prevent spam from reaching multiple e-mail inboxes.

SMTP Trap - Block spam in accordance with the rules you define.

Source Authentication Enterprise Edition - Block spam by authenticating senders at the source.

Source Authentication Personal Edition - Block spam by authenticating senders at the source.

Source Authentication Plugin - Protect your Microsoft Outlook inbox from spam by authenticating the sender at the source.