If you’re running a website or application on a Virtual Private Server (VPS), setting up a reliable email server is crucial for notifications, user communication, and more.
But let’s be honest: configuring a mail server can feel like navigating a maze blindfolded. This guide will walk you through installing Postfix and Mailutils on Ubuntu 24.04, configuring DNS records to avoid spam filters, and ensuring your emails land safely in inboxes.
Whether you’re a developer or a sysadmin, by the end of this tutorial, you’ll have a fully functional mail server with SPF and DKIM authentication—because nobody wants their emails to end up in the spam folder.
