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Tutorial: Harden Postfix


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.
 read more | score:8499 | -falko, February 3, 2012
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