1)   Ella for Spam Control 1.5.6.0
Ella for Spam Control organizes your Inbox and keeps it free of spam! Works with Microsoft Outlook 2000/02/03 and Outlook Express 6 is the first Smart Inbox Assistant(tm), which learns by example how to kill spam and organize your email.

 2)   Ella for Spam FREE 1.5.6.1
Ella for Spam FREE is the FREE version of the award winning Ella for Spam Control for Outlook 2000/02/03 (sorry no Outlook Express) Ella is THE Smart Inbox Assistant, learning by example to quickly organize and automate the processing of email.

 3)   SpamSquash 2.0.1
SpamSquash is a spam filter that uses two methods for filtering, a Bayesian filter and DNS black lists. It's used with a third party pop3 email client, such as MS Outlook and Pegasus Mail. It also includes white and black lists. Gets over 99%.