How to configure a mail server with Postfix and Dovecot for different requirements
I had originally written this article for xmodulo.com Mail server admins may often have to deal with different types of requirements based on service policies or customer-specific requests. This tutorial will cover common cases of mail server administration . More specifically, it will show how different mail server requirements can be met by tuning parameters of Postfix and Dovecot . Useful Postfix Commands Before we start, let us look at some commands related to Postfix. 1. postfix reload vs. service postfix restart To reload Postfix with any updated configuration files, two commands can be used. postfix reload: This command will check configuration files, and will update Postfix accordingly. As this command does not cause Postfix to shut down, it is highly recommended in production environments. service postfix restart: This command will first shut down Postfix, and then start it again. This command will start a fresh instance of Postfix. De...