Linux Babe published a tutorial about setting up multiple mail domains in PostfixAdmin on Ubuntu Linux.
How to Host Multiple Mail Domains in PostfixAdmin on Ubuntu
This tutorial will be showing you how to set up multiple mail domains (virtual hosting) on Ubuntu 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.
How to Host Multiple Mail Domains in PostfixAdmin on Ubuntu
