Since 2007, it has combined established open-source components and deployment best practices to provide a full-featured server that can be installed in minutes. It supports Linux and BSD distributions, including Debian, Ubuntu, Rocky, Alma, CentOS Stream, FreeBSD, and OpenBSD, with account storage options such as OpenLDAP, MySQL, MariaDB, and PostgreSQL.

The platform includes secure email access, webmail through Roundcube and/or SOGo, and tools for managing calendars, contacts, tasks, and mail filters. Security and administration features include TLS connections, password hashing, spam and antivirus protection, and a web-based admin panel. Users can create unlimited mail accounts, domains, mailing lists, and administrators. iRedMail also offers a downloadable open-source installer, a recommended Enterprise Edition, the paid iRedAdmin-Pro administration panel, and Spider Email Archiver. Professional technical support is available to help with deployment, migration, restoration, and troubleshooting.