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http://www.cyberciti.biz/faq/exim-mail-server-remove-mail-queue
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http://www.projects-lab.com/?p=320
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http://www.linux.com/feature/118618
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http://ivory.idyll.org/blog/oct-06/email-notification-via-jabber
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http://www.spamhelp.org/shopenrelay
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http://netilium.org/~mad/technotes/postfixstat
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http://www.xael.org/norman/python/pyclamav
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http://www.gmailwiki.com/index.php/Main_Page