Microsoft Exchange Server Alternatives
Microsoft Exchange Server is described as 'Messaging and collaborative software product developed by Microsoft. It is part of the Microsoft Servers line of server products and is widely used by enterprises using Microsoft infrastructure solutions' and is a Mail Server in the social & communications category. There are more than 25 alternatives to Microsoft Exchange Server for a variety of platforms, including Linux, Web-based, Windows, Mac and Self-Hosted apps. The best Microsoft Exchange Server alternative is Google Workspace. It's not free, so if you're looking for a free alternative, you could try mailcow: dockerized or Kolab Community. Other great apps like Microsoft Exchange Server are Zimbra Collaboration Suite, Kopano, Kolab Now and Zentyal.
Microsoft Exchange Server alternatives are mainly Mail Servers but may also be WebMail Providers or Calendar Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Microsoft Exchange Server.OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.
OBM Features
DiscontinuedThe GitHub repository has been archived and the last update was in 2017.
- Freemium • Open Source
- Mail Server
- Calendar App
- Project Management Tool
24 EGroupware alternatives- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
Online Collaboration with Chat and Online Office. Is developed as open source software in Germany, offered as free community version and as commercial version. Operation as self-hosted or as SaaS from the computer centre.
EGroupware Features
Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look & Feel" webaccess and stable Outlook sharing (100% MAPI).
Zarafa Features
Discontinued"Last year we released the announcement that Zarafa customers could transition to Kopano. We also announced that Zarafa would not be maintained beyond May 1st, 2017. Most ZCP customers have moved to a Kopano subscription now."
- Paid • Proprietary
- Email Client
- WebMail Provider
- Mail Server
67 Atmail Email Server alternatives- Linux
- Online
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
Atmail Email Server Features
- 19 Mercury Mail Transport System alternatives
- Free Personal • Proprietary
- Mail Server
- Windows
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 local area network. Messages from the outside world are received by Mercury and delivered to the users, who can access it at any later point.
Mercury Mail Transport System Features
- 10 MailEnable alternatives
- Freemium • Proprietary
- Mail Server
- WebMail Provider
- Windows
MailEnables mail server software provides a powerful, scalable hosted messaging platform for Microsoft Windows.
MailEnable Features
- 42 iMail alternatives
- Paid • Proprietary
- Mail Server
- WebMail Provider
- Windows
- Self-Hosted
Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited mail accounts, storage, attachment size, custom logo. Free for commercial use.
- 42 Sanwhole Exchange alternatives
- Paid • Proprietary
- Mail Server
- Windows
Sanwhole Exchange is a server running iMail, iPress and iStore services. iMail is an enterprise-class email server does Microsoft Exchange and Gmail work. iPress sets blog, forums and tickets in one. iStore is an online store.
- 34 Expanding Communication alternatives
- Paid • Proprietary
- Mail Server
- Email Client
- Linux
Turnkey Solutions for the Enterprise Cloud
Installation, Configuration, and Management tools for enterprise email, collaboration, messaging, video conferencing, file sharing, and file transfers.
Expanding Communication Features
- Paid • Proprietary
- WebMail Provider
- Email Client
26 atmail alternatives- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
Atmail provides services providers with email solutions.
atmail Features