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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/
Wiki Markup \[http://www.stalker.com CommuniGate Pro (CGP)\] - CGPAV can do SA and ClamAV, available at http://program.farit.ru/
Wiki Markup \[http://www.postfix.org Postfix\] First Step - Basic Integrating - at http://onetforum.com/fourm/viewtopic.php?p=27
Wiki Markup \[http://www.postfix.org Postfix\] Secound Step - Basic Integrating with SPAM Quarantine - at http://onetforum.com/fourm/viewtopic.php?p=63#63
Wiki Markup \[http://www.nospamtoday.com/server/ NoSpamToday! SMTP Proxy\] Seamless [SpamAssassin] Integration Into Any Existing E-Mail Environment - at http://www.nospamtoday.com/server/ \\
Training
Wiki Markup \[http://www.gurulabs.com/training/GL275-Enterprise_Linux_Network_Services.php Guru Labs course GL275\] - Feaures in-depth Spamassassin coverage (lecture and lab exercises) including MTA integration with Sendmail using milter and Postfix integration both after and before queueing