Alternatives · Email
iRedMail alternatives
As of Nov 13, 2026, the highest-graded iRedMail alternative is mailcow (2.4 GPA). It's also the best free one.
iRedMail compared with 7 alternatives: mailcow, Modoboa, Mailu, Mail-in-a-Box, Zimbra and 2 more.
iRedMail has a free plan. Paid plans start at $499 for a 1-year iRedAdmin-Pro license, $250 per year to renew. 6 of the 7 alternatives are free or have a free plan.
Listings checked up to Nov 13, 2026 · Where the facts come from
Black Friday: is there a iRedMail sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| iRedMailThis tool | Free plan · from $499/yr | Yes | Linux |
| mailcow | Free | Free | Web |
| Modoboa | Free | Free | Web |
| Mailu | Free | Free | Web |
| Mail-in-a-Box | Free | Free | Web |
| Zimbra | Paid | No | Web, macOS, Windows, Linux, iOS, Android |
| hMailServer | Free | Free | Windows |
| Stalwart Mail Server | Free plan · from $2.40/yr | Yes | Web |
Price against what you get
iRedMail starts at $20.83 a month when paid by the year and scores 1.3 out of 4 on features, ease of use and platforms. 5 of the 6 alternatives on this chart score higher and start lower: mailcow, Modoboa, Mailu, Mail-in-a-Box and Stalwart Mail Server.
hMailServer starts lower without scoring higher.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from iRedMail
mailcow
Dockerized open-source mail server with a web admin UI
- mailcow is free.
- mailcow also lists a web app.
- mailcow lists no Linux app, which iRedMail has.
Suits: Admins who want a ready-made self-hosted mail server for a few domains
Modoboa
Open-source mail server with a web admin panel and webmail
- Modoboa is free.
- Modoboa also lists a web app.
- Modoboa lists no Linux app, which iRedMail has.
Suits: Individuals and small organizations that want their own mail server
Mailu
Free Docker-based mail server with webmail and admin UI
- Mailu is free.
- Mailu also lists a web app.
- Mailu lists no Linux app, which iRedMail has.
- Mailu also covers dMARC.
- Mailu does not cover calendar, which iRedMail does.
Suits: Self-hosters who want a lean mail server without groupware extras
Mail-in-a-Box
Free script that turns a cloud server into your own mail server
- Mail-in-a-Box is free.
- Mail-in-a-Box also lists a web app.
- Mail-in-a-Box lists no Linux app, which iRedMail has.
Suits: Individuals and small groups who want to run their own mail service
Zimbra
Self-hosted email, calendar and file sharing for organizations
- Zimbra has no free plan, unlike iRedMail.
- Zimbra also lists a web app and Windows, macOS, iOS and Android apps.
- Zimbra also covers tasks.
Suits: Companies and schools that need to keep email on servers they control
hMailServer
Free open-source mail server that runs on Windows
- hMailServer is free.
- hMailServer also lists a Windows app.
- hMailServer lists no Linux app, which iRedMail has.
- hMailServer also covers workflow automation.
- hMailServer does not cover calendar and email client, which iRedMail does.
Suits: Administrators who want a free mail server on Windows
Stalwart Mail Server
Open-source mail and collaboration server written in Rust
- Stalwart Mail Server starts at $2.40 per mailbox / year, billed annually (25-mailbox minimum).
- Stalwart Mail Server also lists a web app.
- Stalwart Mail Server lists no Linux app, which iRedMail has.
- Stalwart Mail Server also covers file sharing and dMARC.
Suits: Self-hosters who want one program instead of a separate MTA, spam filter and calendar server
Limits worth knowing in iRedMail
- The iRedAdmin-Pro license covers one server, and support for iRedMail itself is not included.
- Runs on supported Linux and BSD releases; SOGo is not available on some of them (CentOS Stream, Rocky and Alma 10).
- The site recommends Enterprise Edition for new servers; its per-mailbox or per-server price was not readable.
Common questions
What are the alternatives to iRedMail?
The alternatives to iRedMail in this directory are mailcow, Modoboa, Mailu, Mail-in-a-Box, Zimbra, hMailServer and Stalwart Mail Server. Each one has a side-by-side comparison with iRedMail.
Is there a free alternative to iRedMail?
Yes. mailcow, Modoboa, Mailu, Mail-in-a-Box and hMailServer are free to use. Stalwart Mail Server has a free plan alongside paid ones.
Which iRedMail alternatives work on Windows?
The iRedMail listing does not include a Windows app. Zimbra and hMailServer list one.
Which iRedMail alternatives work on macOS?
The iRedMail listing does not include a macOS app. Zimbra lists one.
When were these prices checked?
Each listing shows its own date. On this page they run from Nov 12, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.
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