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iRedMail alternatives · Email

iRedMail alternatives with a Windows app

The iRedMail listing does not include a Windows app. 39 of the 125 other email apps in this directory list a Windows app.

iRedMail has a free plan. Paid plans start at $499 for a 1-year iRedAdmin-Pro license, $250 per year to renew. 25 of them are free or have a free plan.

39 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to iRedMail

  1. Zimbra

    Self-hosted email, calendar and file sharing for organizations

    • iRedMail has a free plan. Zimbra does not.
    • Only Zimbra lists a web app.
    • Only Zimbra lists Windows, macOS, iOS and Android apps.
    • Zimbra also covers tasks.
    Zimbra vs iRedMailZimbra pricing and details

  2. hMailServer

    Free open-source mail server that runs on Windows

    • hMailServer is free. iRedMail starts at $499 for a 1-year iRedAdmin-Pro license, $250 per year to renew.
    • Only hMailServer lists a Windows app.
    • Only iRedMail lists a Linux app.
    • hMailServer also covers workflow automation.
    hMailServer vs iRedMailhMailServer pricing and details

  3. Proton Mail

    End-to-end encrypted email service based in Switzerland

    • Proton Mail starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. iRedMail starts at $499 for a 1-year iRedAdmin-Pro license, $250 per year to renew.
    • Only Proton Mail lists a web app.
    • Only Proton Mail lists macOS, Windows, iOS and Android apps.
    • Proton Mail is end-to-end encrypted, according to its own site.
    Proton Mail pricing and details

  4. Thunderbird

    Free, open-source email app for Windows, macOS, Linux and Android

    • Thunderbird is free. iRedMail starts at $499 for a 1-year iRedAdmin-Pro license, $250 per year to renew.
    • Only Thunderbird lists Windows, macOS and Android apps.
    • iRedMail is self-hostable, according to its own site.
    • Thunderbird also covers tasks.
    Thunderbird pricing and details

  5. Tuta Mail

    End-to-end encrypted email and calendar from Germany

    • Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). iRedMail starts at $499 for a 1-year iRedAdmin-Pro license, $250 per year to renew.
    • Only Tuta Mail lists a web app.
    • Only Tuta Mail lists Windows, macOS, iOS and Android apps.
    • Tuta Mail is end-to-end encrypted, according to its own site.
    Tuta Mail pricing and details

  6. Inbox Zero

    Open source AI email assistant for Gmail and Outlook

    • Inbox Zero starts at $18 per user / month, billed annually ($20 billed monthly). iRedMail starts at $499 for a 1-year iRedAdmin-Pro license, $250 per year to renew.
    • iRedMail has a free plan. Inbox Zero does not, though it has a free trial.
    • Only Inbox Zero lists a web app.
    • Only Inbox Zero lists macOS, Windows, iOS and Android apps.
    Inbox Zero pricing and details

  7. Wino Mail

    Free, open source mail and calendar app for Windows

    • Only Wino Mail lists a Windows app.
    • Only iRedMail lists a Linux app.
    • iRedMail is self-hostable, according to its own site.
    • Wino Mail also covers templates and tasks.
    Wino Mail pricing and details

  8. Betterbird

    A fork of Thunderbird with extra features and bug fixes

    • Betterbird is free. iRedMail starts at $499 for a 1-year iRedAdmin-Pro license, $250 per year to renew.
    • Only Betterbird lists Windows and macOS apps.
    • iRedMail is self-hostable, according to its own site.
    Betterbird pricing and details

  9. Axigen

    Mail server with calendars and webmail for Windows and Linux

    • Only Axigen lists a web app.
    • Only Axigen lists a Windows app.
    • iRedMail is open source, according to its own site.
    Axigen pricing and details

  10. MDaemon

    Email server for Windows with webmail and Outlook connector

    • iRedMail has a free plan. MDaemon does not, though it has a free trial.
    • Only MDaemon lists a web app.
    • Only MDaemon lists Windows and macOS apps.
    • Only iRedMail lists a Linux app.
    MDaemon pricing and details

  11. SmarterMail

    Business mail server for Windows and Linux with webmail

    • SmarterMail starts at $550 for Professional with 50 mailboxes; license term not stated. iRedMail starts at $499 for a 1-year iRedAdmin-Pro license, $250 per year to renew.
    • Only SmarterMail lists a web app.
    • Only SmarterMail lists a Windows app.
    • iRedMail is open source, according to its own site.
    SmarterMail pricing and details

  12. GFI KerioConnect

    Self-hosted business mail server with calendar, chat and local AI

    • iRedMail has a free plan. GFI KerioConnect does not, though it has a free trial.
    • Only GFI KerioConnect lists Windows and macOS apps.
    • iRedMail is open source, according to its own site.
    • GFI KerioConnect also covers shared inbox.
    GFI KerioConnect pricing and details

27 more that list a Windows app

All 39 in one table

Common questions

Which iRedMail alternatives have a Windows app?

Zimbra, hMailServer, Proton Mail, Thunderbird, Tuta Mail, Inbox Zero, Wino Mail, Betterbird and 31 more list a Windows app.

Does iRedMail have a Windows app?

The iRedMail listing does not include a Windows app. It lists Linux.

Which of these email apps are free?

hMailServer, Proton Mail, Thunderbird, Tuta Mail, Wino Mail, Betterbird, Axigen, SmarterMail and 17 more are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to iRedMail: the alternatives its listing names first, then the tools that share the most features with it.