iRedMail is an open-source email server solution that enables the deployment of a fully functional email system. It integrates multiple components for mail transfer, retrieval, storage, virus scanning, spam detection, and secure communication. iRedMail uses the Postfix mail transfer agent and includes a web administration interface for managing email accounts, domains, and other server settings. This article explains how to install iRedMail on a Debian 12 server. Before you begin: * [Deploy a De......