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IceWarp alternatives · Email

Self-hosted alternatives to IceWarp

The IceWarp listing does not say it can be self-hosted. 25 of the 125 other email apps in this directory can be self-hosted, according to their own sites.

IceWarp is a paid product with a free trial, starting at $1.50 per user / month, billed monthly ($1.35 billed annually). 19 of them are free or have a free plan.

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

The 12 closest to IceWarp

  1. Axigen

    Mail server with calendars and webmail for Windows and Linux

    • Axigen has a free plan. IceWarp does not, though it has a free trial.
    • Only Axigen lists a Linux app.
    • Only IceWarp lists macOS, iOS and Android apps.
    • Axigen is self-hostable, according to its own site.
  2. SmarterMail

    Business mail server for Windows and Linux with webmail

    • SmarterMail starts at $550 for Professional with 50 mailboxes; license term not stated. IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • SmarterMail has a free plan. IceWarp does not, though it has a free trial.
    • Only SmarterMail lists a Linux app.
    • Only IceWarp lists macOS, iOS and Android apps.
  3. Zimbra

    Self-hosted email, calendar and file sharing for organizations

    • Only Zimbra lists a Linux app.
    • Zimbra is open source and self-hostable, according to its own site.
    • Zimbra also covers tasks.
    • IceWarp also covers team chat, video calls and file sharing.
  4. Open-Xchange

    OX App Suite email platform sold to providers and governments

    • Only IceWarp lists Windows, macOS, iOS and Android apps.
    • Open-Xchange is open source and self-hostable, according to its own site.
    • IceWarp also covers team chat, video calls and file sharing.
  5. MDaemon

    Email server for Windows with webmail and Outlook connector

    • Only IceWarp lists iOS and Android apps.
    • MDaemon is self-hostable, according to its own site.
    • IceWarp also covers team chat, video calls and file sharing.
  6. GFI KerioConnect

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

    • Only GFI KerioConnect lists a Linux app.
    • Only IceWarp lists a web app.
    • Only IceWarp lists iOS and Android apps.
    • GFI KerioConnect is self-hostable, according to its own site.
  7. hMailServer

    Free open-source mail server that runs on Windows

    • hMailServer is free. IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • hMailServer has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists a web app.
    • Only IceWarp lists macOS, iOS and Android apps.
  8. Kopano

    Container-based business email and calendar for hosting providers

    • Only IceWarp lists Windows, macOS, iOS and Android apps.
    • Kopano is self-hostable, according to its own site.
    • Kopano also covers tasks.
    • IceWarp also covers team chat, video calls and file sharing.
  9. 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). IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • Stalwart Mail Server has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists Windows, macOS, iOS and Android apps.
    • Stalwart Mail Server is open source and self-hostable, according to its own site.
  10. SOGo

    Open-source groupware with webmail, calendars and contacts

    • SOGo is free. IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • SOGo has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists Windows, macOS, iOS and Android apps.
    • SOGo is open source and self-hostable, according to its own site.
  11. Horde

    Free open-source webmail, calendar, contacts and tasks suite

    • Horde is free. IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • Horde has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists Windows, macOS, iOS and Android apps.
    • Horde is open source and self-hostable, according to its own site.
  12. mailcow

    Dockerized open-source mail server with a web admin UI

    • mailcow is free. IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
    • mailcow has a free plan. IceWarp does not, though it has a free trial.
    • Only IceWarp lists Windows, macOS, iOS and Android apps.
    • mailcow is open source and self-hostable, according to its own site.

Common questions

Is there a self-hosted alternative to IceWarp?

Yes. Axigen, SmarterMail, Zimbra, Open-Xchange, MDaemon, GFI KerioConnect, hMailServer, Kopano and 17 more can be self-hosted, according to their own sites.

Can IceWarp be self-hosted?

The IceWarp listing does not say it can be self-hosted. The listing was checked on Nov 13, 2026 against the pages it cites.

Which of these email apps are free?

Axigen, SmarterMail, hMailServer, Stalwart Mail Server, SOGo, Horde, mailcow, Mail-in-a-Box 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 9, 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 IceWarp: the alternatives its listing names first, then the tools that share the most features with it.