In some situations it’s needed if you have an internal mail server with a dynamic IP address, or simply one server hosting an application that have one form contact for example and a mail daemon listening in localhost, it can
Configure an antispam gateway (part I)
In this tutorial i’ll show how to ensure and apply many feature for our mail gateway try to avoid most of the mail spam. I’ll explain all the options that we’ll setup to understand it and modify it to any