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http://mutt.org/doc/manual/manual-4.html#ss4.2
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http://nicolas.bougues.net/mutt
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http://isync.sourceforge.net
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http://python.org/doc/current/lib/module-email.Header.html
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http://www.isi.edu/in-notes/rfc3501.txt
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http://www.benzedrine.cx/relaydb.html
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http://ivory.idyll.org/blog/oct-06/email-notification-via-jabber
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http://www.linux.com/feature/118618
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http://www.projects-lab.com/?p=320
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http://www.cyberciti.biz/faq/exim-mail-server-remove-mail-queue