Email, calendar, collaboration server with Web interface and lots of integrations. ([Source Code](https://github.com/zimbra)) `GPL-2.0/CPAL-1.0` `Java`
zimbra.com
Alternatives to
iRedMail
Best alternatives to iRedMail in 2026
iRedMail is "Full-featured mail server solution based on Postfix and Dovecot. ([Source Code](https://github.com/iredmail/iRedMail)) `GPL-3.0` `Shell`". If you are looking for an alternative to iRedMail in 2026 — whether for pricing, features or compatibility reasons — mySelectas has curated the 12 best options available. The most popular alternatives include: Zimbra, Mailcow. All these solutions are listed in the Informatique category.
Quick comparison of iRedMail alternatives
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FAQ about iRedMail alternatives
- What is the best alternative to iRedMail in 2026?
- Based on our selection, Zimbra Collaboration is the best alternative to iRedMail in 2026. Email, calendar, collaboration server with Web interface and lots of integrations. ([Source Code](https://github.com/zimbra)) `GPL-2.0/CPAL-1.0` `Java`. See our full ranking above to compare all options.
- Is iRedMail free?
- iRedMail is a paid tool. Several alternatives in our selection offer free or freemium versions.
- How many alternatives to iRedMail are there?
- mySelectas has listed 12 alternatives to iRedMail in the Informatique category. Our selection is updated regularly to include the best options available.