Enabling SMTP authentication in Postfix ensures that only users with valid accounts can send email outside your network (relaying). This prevents spammers from using your SMTP server as a spam broadcast station. Here’s how to do it in Postfix.
(more…)Active Directory has a type of grouping called Distribution group used solely as an email distribution list. This page will show you how to use the distribution group as a mailing list for Postfix. But first, you need to upgrade Postfix to version 2.4 or higher. Download Postfix RPM Packages.
(more…)This article will guide you in configuring MailScanner, ClamAV and SpamAssassin to work in Postfix. Before proceeding, please make sure that all of the above components are already installed.
(more…)Installing and setting up Postfix SMTP Server in RHEL 4 or CentOS 4 is easy. Postfix has secure default settings so we just need to open it up a bit.
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