We received some requests on how to set anti-spam and also some incidents of issues caused by incorrect setting of anti-spam.

Here is a good article on Exchange team blog. The article describes what we can do on Exchange server to set anti spam in details.

Exchange 2003 Server Service Pack 2 (SP2) Anti-Spam Framework

http://msexchangeteam.com/archive/2005/07/18/407838.aspx

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Author: Reid Li