Dewqs' JunkMail Spittoon (OE) 

Spam protection tool [Outlook Express version]. Selectable interface language: English, Français, Español, Deutsch, Japanese...
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RelayTest 

RelayTest Pro is a tool for network administrators, that allows to test a specified mail server for open relays. It runs series of tests designed to detect open relays and create a detailed report of the findings.
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SPAMfighter 

SPAMfighter stops unsolicited spam mails before they reach your desktop. Take advantage of our peer-to-peer collaborative spam server to automatically stop spam. Works with Outlook and Outlook Express. Supports English, German, French, Spanish +
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