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Hardening Postfix For ISPConfig 3

Feb 03, 2012, 18:01 (0 Talkback[s])
(Other stories by Jesús Córdoba)

[ Thanks to Falko Timme for this link. ]

"The goal of this tutorial is to harden the mail server postfix used by ISPConfig for internet mail servers where authenticated users are trusted. With this setup you will reject a great amount of spam before it passes into your mail queue, saving a lot of system resources and making your mail server strong against spammers and spam botnets. Let's go."

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