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Wiki Markup \[http://www.exim.org Exim\] - \[http://www.exim.org/exim-html-4.50/doc/html/spec_40.html Content Scanning\] with Spamassassin Documentation Page.
Wiki Markup \[http://www.stalker.com CommuniGate Pro (CGP)\] - Try CGPSA, available at http://www.tffenterprises.com/cgpsa/ \\