Host Multiple Mail Domains in PostfixAdmin on CentOS/RHEL

This tutorial will be showing you how to set up multiple mail domains (virtual hosting) on CentOS/RHEL server with PostfixAdmin, which is an open-source web-based interface to configure and manage a Postfix based email server for many domains and users. Prerequisites To follow this tutorial, it’s required that You have configured PostfixAdmin with one mail…


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Host Multiple Mail Domains in PostfixAdmin on CentOS/RHEL

Enable and Configure Postscreen in Postfix to Block Spambots

In previous tutorials, we discussed how to set up a mail server from scratch on Linux (Ubuntu version, CentOS/RHEL version). This tutorial is going to show you how to enable and configure Postscreen in Postfix SMTP server. Postscreen is an SMTP filter that blocks spambots (or zombie machines) away from the real Postfix smtpd daemon,…


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Enable and Configure Postscreen in Postfix to Block Spambots