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GMX Mail alternatives · Email

GMX Mail alternatives with a Linux app

The GMX Mail listing does not include a Linux app. 23 of the 125 other email apps in this directory list a Linux app.

GMX Mail is free to use. 19 of them are free or have a free plan.

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

The 12 closest to GMX Mail

  1. Zoho Mail

    Ad-free business email hosting with calendar, tasks and notes

    • Zoho Mail starts at $1 per user / month, billed annually (Mail Lite, 5 GB). GMX Mail is free.
    • Only Zoho Mail lists macOS, Windows and Linux apps.
    • Only GMX Mail lists a browser extension.
    • Zoho Mail also covers tasks.
    Zoho Mail vs GMX MailZoho Mail pricing and details

  2. 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. GMX Mail is free.
    • Only Proton Mail lists macOS, Windows and Linux apps.
    • Only GMX Mail lists a browser extension.
    • Proton Mail is open source and end-to-end encrypted, according to its own site.
    Proton Mail vs GMX MailProton Mail pricing and details

  3. BlueMail

    Cross-platform email client with a unified inbox and built-in AI

    • BlueMail starts at $35.99 per year (Plus, shown as $3 per month billed annually). GMX Mail is free.
    • Only BlueMail lists macOS, Windows and Linux apps.
    • Only GMX Mail lists a web app.
    • Only GMX Mail lists a browser extension.
    BlueMail pricing and details

  4. HEY

    Email service and calendar with sender screening, from 37signals

    • HEY starts at $99 per year (HEY for You, annual billing only). GMX Mail is free.
    • GMX Mail has a free plan. HEY does not, though it has a free trial.
    • Only HEY lists macOS, Windows and Linux apps.
    • Only GMX Mail lists a browser extension.
    HEY pricing and details

  5. Thunderbird

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

    • Thunderbird is free. GMX Mail is free.
    • Only Thunderbird lists Windows, macOS and Linux apps.
    • Only GMX Mail lists a web app.
    • Only GMX Mail lists an iOS app.
    Thunderbird pricing and details

  6. Fastmail

    Paid, ad-free email with calendar, contacts and custom domains

    • Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly. GMX Mail is free.
    • GMX Mail has a free plan. Fastmail does not, though it has a free trial.
    • Only Fastmail lists Windows, macOS and Linux apps.
    • Only GMX Mail lists a browser extension.
    Fastmail pricing and details

  7. Tuta Mail

    End-to-end encrypted email and calendar from Germany

    • Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). GMX Mail is free.
    • Only Tuta Mail lists Windows, macOS and Linux apps.
    • Only GMX Mail lists a browser extension.
    • Tuta Mail is open source and end-to-end encrypted, according to its own site.
    Tuta Mail pricing and details

  8. Newton Mail

    Cross-platform email app with read receipts, snooze and send later

    • Newton Mail starts at $5 per month, billed annually ($6.99 billed monthly). GMX Mail is free.
    • Only Newton Mail lists macOS, Windows and Linux apps.
    • Only GMX Mail lists a web app.
    • Only GMX Mail lists a browser extension.
    Newton Mail pricing and details

  9. Zimbra

    Self-hosted email, calendar and file sharing for organizations

    • GMX Mail has a free plan. Zimbra does not.
    • Only Zimbra lists Windows, macOS and Linux apps.
    • Only GMX Mail lists a browser extension.
    • Zimbra is open source and self-hostable, according to its own site.
    Zimbra pricing and details

  10. Evolution

    GNOME's free mail, calendar and address book app

    • Evolution is free. GMX Mail is free.
    • Only Evolution lists a Linux app.
    • Only GMX Mail lists a web app.
    • Only GMX Mail lists iOS and Android apps.
    Evolution pricing and details

  11. Claws Mail

    Lightweight GTK email and news client, free under the GPL

    • Claws Mail is free. GMX Mail is free.
    • Only Claws Mail lists Linux and Windows apps.
    • Only GMX Mail lists a web app.
    • Only GMX Mail lists iOS and Android apps.
    Claws Mail pricing and details

  12. Betterbird

    A fork of Thunderbird with extra features and bug fixes

    • Betterbird is free. GMX Mail is free.
    • Only Betterbird lists Windows, macOS and Linux apps.
    • Only GMX Mail lists a web app.
    • Only GMX Mail lists iOS and Android apps.
    Betterbird pricing and details

11 more that list a Linux app

All 23 in one table

Common questions

Which GMX Mail alternatives have a Linux app?

Zoho Mail, Proton Mail, BlueMail, HEY, Thunderbird, Fastmail, Tuta Mail, Newton Mail and 15 more list a Linux app.

Does GMX Mail have a Linux app?

The GMX Mail listing does not include a Linux app. It lists Web, iOS, Android and Browser extension.

Which of these email apps are free?

Zoho Mail, Proton Mail, BlueMail, Thunderbird, Tuta Mail, Newton Mail, Evolution, Claws Mail and 11 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 GMX Mail: the alternatives its listing names first, then the tools that share the most features with it.