Liangxu Linux

Apr 6, 2024 · Operations

Choosing the Best Open‑Source Email Server for Linux: Postfix, Exim, Dovecot, and More

This guide reviews six popular open‑source mail servers for Linux—Postfix, Exim, Dovecot, OpenSMTPD, Mailcow, and iRedMail—detailing their features, advantages, installation commands, and a comparative table to help you select the most suitable solution for stability, security, and ease of deployment.