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Filtering your own spam using SpamAssassin
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Disabling mail sending from your domain
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Test mail server on Ubuntu and Debian
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Preventing man-in-the-middle attacks on fetchmail and postfix
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mutt's OpenPGP support and FireGPG
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Disabling the GMail spam filter and handling it yourself using SpamAssassin
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Searching through the contents of emails in mutt
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Handling multiple identities/accounts in mutt
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