Postfix is an open-source MTA (Mail Transfer agent) that allows you to send and receive emails on a Linux-based OS. Ubuntu is a Linux distribution and open-source software. This section explains how to get a Postfix mail server configuration in Ubuntu step by step. Make sure to perform the below steps correctly to configure Postfix properly in Ubuntu.
Generally, the Postfix mail server is stored in the default repositories of Ubuntu. Before installing Postfix, you need to update the local apt package by running the following command in the Terminal window:
You can also add the following variable to the installation command:
In the prompts, you’ll be asked to enter the following information:
To modify the above settings later, use the $ sudo dpkg-reconfigure postfix command.
Congratulations! You have successfully performed the Postfix mail server configuration in Ubuntu step by step.