1)   Cloudmark SafetyBar for Outlook 4.2
Cloudmark SafetyBar (formerly SpamNet), the most award-winning protection, stops over 98% of spam, fraud, phishing attacks and all email threats automatically and is the only solution to achieve zero false positives in industry reviews.

 2)   VisNetic MailServer 8.3.5
VisNetic Mail Server is a high performance mail server with an extensive, highly configurable feature set. This secure mail server is also ideal for use as a gateway mail server, features built-in anti spam, Web mail and an instant messaging server.

 3)   Email Redemption for Outlook 1.61
Join the Internet's Spammer-Free Community - Restore Your Email Freedom! The Email Redemption Community (ERC) is a self-regulating email community, in which spammers cannot survive. As a result, ERC members enjoy open, risk-free emailing.

 4)   DEKSI E-mail Security 1.0
DEKSI E-mail Security is a fully managed email security system that keeps your network free from malicious emails, viruses and spam. DEKSI E-mail Security guarantees 100% virus protection and 99% spam protection!

 5)   SpamBully Outlook, Outlook Express Vista 5.95
Punish/Bounce/Report/Challenge - Get back at spammers by increasing their costs, returning their spam, and reporting them to the servers they came from and the FTC. Email a special password to an unfamiliar sender.