Spam Outpost will eliminate the SPAM in your inbox before you download it. It will detect any possible SPAM using a comprehensive list of inappropiate words and strings, that are common in junk mails. The list is totally editable to suit your needs. You can also add emailaddresses, domains and names that you want no more email from. On top of that you can chose what part of the email header to scan.

SpamAgent
SpamAgent is the latest in email monitoring technology. SpamAgent is a powerful email monitoring and filtering tool that allows you to get the email you want - and nothing more.

Spam Reader
Spam Reader is an MS Outlook plugin that extends Outlook functionality with a Bayesian spam filter. Spam Reader analyzes each message when you receive it and puts it in the Spam folder if needed. The filter is self-trainable. Stops up to 98% of spam.

SpamButcher
SpamButcher is an advanced anti-spam filter. It will solve your spam problem. Every few minutes it checks for new messages in your inbox. If it finds any spam, it's moved to a holding area for your later examination.

SPAMfighter Standard
Spam and phishing filter for Outlook and Outlook Express. Join the more than 700,000 SPAMfighters in 199 countries that have a clean inbox. SPAMfighter supports English, German, French, Spanish, Swedish, Norwegian, Dutch, Italian, Suomi and Danish.

SenderInspector
The SenderInspector is admin tool that allows you to STOP outgoing-spam for IIS. A spammer's main weapon is a false identity of the envelope sender. The SenderInspector disarms a spammer and allows recipient and admin to see the true sender of SPAM.