How to install and configure Postfix on Ubuntu 22.04 | VPS Tutorial

Postfix is a popular open-source Mail Transfer Agent (MTA) that can be used to route and deliver email on a Linux system. It is estimated that around 25% of public mail servers on the internet run Postfix.

In this guide, you’ll learn how to install and configure Postfix on an Ubuntu 22.04 server. Then, you’ll test that Postfix is able to correctly route mail by installing s-nail, a Mail User Agent (MUA), also known as an email client.

Note that the goal of this tutorial is to help you get Postfix up and running quickly with only some bare-bones email functionality. You won’t have a full-featured email server by the end of this guide, but you will have some of the foundational components of such a setup to help you get started.

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