...
Relay Services
Wiki Markup \[http://www.heluna.com/ Heluna\] offers e-mail security for small to medium businesses, geared towards non-technical users. \\Wiki Markup \[http://www.MailLaunder.com MailLaunder\] - Stopping Spam in its tracks. A gateway based solution for small businesses. \\Wiki Markup \[http://www.messagewash.com Messagewash\] (\[http://messagewash.com/index.php?option=com_weblinks&Itemid=4&catid=9 the 'links' page\] notes that they use SA.) \\
Wiki Markup \[http://pro.vider.de/emails-scan.htm pro.vider.de E-Mail Scanning\] Cheap and efficient relay service using SA, ClamAV and Virusbuster. \\
Wiki Markup \[http://si20.com Spam Interceptor\]: (\[http://si20.com/faq the FAQ\] notes that they use SA): This is a web application which means you can use it on a Macintosh, Windows, Linux, or any operating system that has a web browser. \\
Wiki Markup \[http://www.filterpoint.com/ FilterPoint\] is a relay service for whole domains that uses various techniques, including [SpamAssassin], to block spam and includes anti-virus for free. \\
...