Alternatives to Microsoft Exchange Server for all platforms with any license

  • G Suite icon

    G Suite

    G Suite (formerly Google Apps for Work) is Google's encompassing selection of cloud apps for business, including customizable...

    Commercial Mac Windows Linux Web / Cloud Chrome OS

  • Kolab Community icon

    Kolab Community

    Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

    Open Source Linux Web / Cloud Self-Hosted

  • Zentyal icon

    Zentyal

    Zentyal is an email and groupware solution, natively compatible with Outlook, for those seeking a Microsoft Exchange alternative on...

    Open Source Linux

  • Zimbra Collaboration Suite icon

    Zimbra Collaboration Suite

    Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web...

    Freemium Linux Web / Cloud

  • SOGo icon

    SOGo

    SOGo is groupware server with a focus on scalability and open standards. SOGo provides a rich AJAX-based Web interface and supports...

    Open Source Linux Web / Cloud Thunderbird

  • Kolab Now icon

    Kolab Now

    Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and...

    Commercial Web / Cloud DAVdroid

    • With Microsoft no longer supporting our existing setup, this was a great alternative.
      Guest • Sep 2015 Disagree   Agree
  • hMail Server icon

    hMail Server

    hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and...

    Open Source Windows

  • MDaemon Messaging Server icon

    MDaemon Messaging Server

    MDaemon Messaging Server software for Windows can be deployed in virtual, hosted cloud or private on-premise environments. It is used...

    Commercial Windows

  • OX Open-Xchange icon

    OX Open-Xchange

    Open-Xchange Server 6 is the most advanced Linux based Groupware solution f. Open-Xchange Server 6 is superior in the following...

    Open Source Linux Web / Cloud

  • Zarafa icon

    Zarafa

    Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look...

    Commercial Mac Windows Linux Web / Cloud

  • mailcow icon

    mailcow

    mailcow is a mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for...

    Open Source Linux

  • Atmail Email Server icon

    Atmail Email Server

    Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows. ...

    Commercial Linux Web / Cloud

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  • Kerio Connect icon

    Kerio Connect

    Kerio Connect makes email, calendars, contacts and task management easy and affordable. With Kerio Connect, you have immediate, secure...

    Commercial Mac Windows Linux Web / Cloud

  • OpenChange icon

    OpenChange

    OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols. Exchange is a...

    Open Source Linux

  • Sendmail icon

    Sendmail

    Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including...

    Open Source Mac Linux

  • atmail icon

    atmail

    Atmail allows you to choose between on-premises or cloud deployment. Features include email, contact, calendar, task, storage...

    Commercial Mac Windows Linux Android iPhone Android Tablet ... iPad

  • iRedMail icon

    iRedMail

    A fully fledged, free email server solution, an open source project (GPL v2). Use official binary packages from Linux/BSD...

    Open Source Linux BSD Self-Hosted

  • eGroupWare icon

    eGroupWare

    Egroupware is a web based software for team collaboration, central data management and CRM: email client, online calendar, contact and...

    Open Source Linux Web / Cloud

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  • OBM icon

    OBM

    OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile...

    Open Source Mac Windows Linux

  • Expanding Communication icon

    Expanding Communication

    Turnkey Solutions for the Enterprise Cloud Installation, Configuration, and Management tools for enterprise email, collaboration...

    Commercial Linux

  • Blue-Mind icon

    Blue-Mind

    Blue Mind is a complete solution of company messaging, calendars and collaborative work. It aims to enable you to work daily with...

    Open Source Linux

  • Citadel

    Is a collaboration suite (messaging and groupware). It is designed to run on open source operating systems such as Linux or BSD. In...

    Open Source Linux Web / Cloud

  • PowerMTA icon

    PowerMTA

    Email gateway application (SMTP server) that makes it easy for senders to adopt the latest authentication specifications ( SPF and...

    Commercial Windows Linux Self-Hosted

  • Mercury Mail Transport System icon

    Mercury Mail Transport System

    The Mercury Mail Transport System is a mail server that sends and receives messages on behalf of a group of users on a machine or...

    Free Personal Windows

  • Xeams icon

    Xeams

    Xeams is a secure & powerful mail server for Windows, Linux, Solaris, MacOSX and other flavors or UNIX, which supports SMTP, POP3...

    Free Personal Mac Windows Linux BSD

  • Poste.io icon

    Poste.io

    Full featured solution for your Email server. Native implementation of last anti-SPAM metods, webmail and easy administration included.

    Free Personal Linux

  • MailEnable icon

    MailEnable

    MailEnables mail server software provides a powerful, scalable hosted messaging platform for Microsoft Windows.

    Freemium Windows

  • Mailsite icon

    Mailsite

    MailSite Email Servers provide high quality,easy to use email solutions for businesses, enterprises and service providers that require...

    Commercial Windows Web / Cloud Android iPhone Android Tablet

  • Alinto

    Established in January 2000, Alinto is one othe principal french editors and operators of collaborative messaging and unified...

    Commercial Web / Cloud

  • LeaderSend icon

    LeaderSend

    LeaderSend takes care of delivering your transactional messages and managing infrastructure, while you can focus on your business...

    Commercial Web / Cloud

  • HyperOffice Email Service icon

    HyperOffice Email Service

    HyperOffices is a Microsoft Exchange alternative with all the messaging features growing business need - custom business email;...

    Commercial Web / Cloud

  • SmarterMail Mail Server icon

    SmarterMail Mail Server

    SmarterMail delivers Exchange-level email server software features for a fraction of the cost. With lower hardware requirements...

    Freemium Windows

Microsoft Exchange Server Comments

Microsoft Exchange has been described as "the only reason w ...

Comment by BadTim
about Microsoft Exchange Server Jun 2011

Microsoft Exchange has been described as "the only reason why most businesses don't move to Mac" and the person who wrote that might have been right (before Windows 7 was released). Exchange is a fantastic tool for keeping all of your devices in sync as well as keeping your team in sync at the same time.

Microsoft has poured a ton of resources to keep Exchange competitive in a market where there are few other competitors and they've done a good job of keeping new features and compatibility rolling in as the years roll on.

The worst thing about Exchange is the need to either have a full-fledged Windows Server to run it on (several thousands of dollars if executed correctly as well as a few hundred per month to pay an IT guy to keep it patched and ready to go) or you have to commit to an online Exchange Hosting Service to reap the benefits. (The second option is usually the one that I recommend unless you have lots of money or a large team - Apptix does a good job of Hosted Exchange - shameless plug: http://www.apptix.com/default.asp?spid=2000001097 )

I would love to see a viable alternative with as many associated supporting professionals enter the marketplace but at this time Exchange is still the champion.

(For the record; I operate my own company using Google Hosted Apps and we love it!)

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