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Microsoft Exchange AlternativesMail Servers and other similar apps like Microsoft Exchange

Apps similar to Microsoft Exchange include Google Workspace. It's paid, but mailcow: dockerized and eigen are free. Other options are Infomaniak kSuite, Kolab, Zentyal and SOGo. There's no shortage of Mail Servers like Microsoft Exchange, with more than 25 alternatives for Linux, the web, Windows, self-hosting and Mac.

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Alternatives list

  1. Copy a direct link to this comment to your clipboard

    Google Workspace delivers a cloud-based suite combining Gmail, Calendar, Meet & Drive to enhance collaboration through tools like Docs and Sheets. Offers secure storage options, custom domain emails, and robust management capabilities with 2FA and 24/7 support.

    67 Google Workspace alternatives

    Cost / License

    • Paid
    • Proprietary

    Application typeApplication types

    Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    Good alternative?Is Google Workspace a good alternative to Microsoft Exchange?
  2. Copy a direct link to this comment to your clipboard

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

    25 mailcow: dockerized alternatives

    Cost / License

    Application typeApplication types

    Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • Self-Hosted
    Good alternative?Is mailcow: dockerized a good alternative to Microsoft Exchange?
  4. Copy a direct link to this comment to your clipboard

    Your own workspace. A self-hosted, open source alternative to Google Workspace: mail, drive, docs, sheets, slides, calendar and chat.

    52 eigen alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application typeApplication types

    Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Self-Hosted
    • Docker
    • NL flagNetherlands
    • European Union flagEU
    eigen screenshot 1
    Good alternative?Is eigen a good alternative to Microsoft Exchange?
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    Suite for secure email, calendaring, file sharing, chat, and online meetings, offering real-time collaboration on docs, GDPR compliance, customizable branding, renewable energy use, advanced user management, and all data hosted in Switzerland.

    91 Infomaniak kSuite alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application typeApplication types

    Origin

    • CH flagSwitzerland

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    Good alternative?Is Infomaniak kSuite a good alternative to Microsoft Exchange?
  7. 43 likes
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    Kolab provides a FOSS communication & collaboration solution that can be completely self-hosted. Take back control of your data and access it via the webinterface, or existing mobile & desktop clients.

    58 Kolab alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Origin

    • CH flagSwitzerland

    Platforms

    • Linux
    • Online
    • Self-Hosted
    Good alternative?Is Kolab a good alternative to Microsoft Exchange?
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    Integrates native Active Directory and all essential network services, including domain, mail, gateway, infrastructure, and security roles, for SMBs, offering web-based management, centralized authentication, file server, VPN, and firewall in a single Linux platform.

    26 Zentyal alternatives

    Cost / License

    • Paid
    • Open Source

    Application type

    Origin

    • ES flagSpain
    • European Union flagEU

    Platforms

    • Linux
    Good alternative?Is Zentyal a good alternative to Microsoft Exchange?
    |
    4comments
    Zentyal vs Microsoft Exchange Comments

    Negative comment by Guest ·

    No Exchange alternative and no support for MS Outlook Client

    Negative comment by Guest ·

    Not an Exchange alternative at all. Does basic AD but that is about it. It is more of a gateway server.

    Negative comment by Guest ·

    They do not share any common functionality. Zentyal is an Active Directory substitute, Microsoft Exchange is a groupware E-Mail (enterprise grade) server.

    3 of 4 comments

    • Zentyal is Paid and Open SourceMicrosoft Exchange is Paid and Proprietary
  10. 31 likes
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    SOGo is groupware server with a focus on scalability and open standards.

    SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV.Share your calendars, address books and mails in.

    64 SOGo alternatives

    Cost / License

    Application type

    Origin

    • CA flagCanada

    Platforms

    • Linux
    • Online
    • Thunderbird
    • Cloudron
    • CA flagCanada
    SOGo screenshot 1
    SOGo screenshot 2
    SOGo screenshot 3
    Good alternative?Is SOGo a good alternative to Microsoft Exchange?
  11. Copy a direct link to this comment to your clipboard

    Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.

    54 Zimbra Collaboration Suite alternatives

    Cost / License

    • Paid
    • Proprietary

    Application typeApplication types

    Origin

    • US flagUnited States

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • US flagUnited States
    Zimbra Collaboration Suite screenshot 1
    Good alternative?Is this a good alternative to Microsoft Exchange?
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    Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface.

    26 Kopano alternatives

    Cost / License

    • Paid
    • Proprietary

    Application typeApplication types

    Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Online
    • Software as a Service (SaaS)
    • NL flagNetherlands
    • European Union flagEU
    Kopano screenshot 1
    Good alternative?Is Kopano a good alternative to Microsoft Exchange?
    |
    6comments
    Kopano vs Microsoft Exchange Comments

    Top Positive Comment by Karunamon ·

    Free and open source, and has most of the things you want from Exchange, including shared calendars.

    Positive comment by marcski ·

    Stable and cheap backend, flexible frontend support, open source, in full control of your data

    Positive comment by bobsp ·

    Scalable, open source with a great UX and it has all the features I need

    3 of 6 comments

    • Kopano is Paid and ProprietaryMicrosoft Exchange is also Paid and Proprietary
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    hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.

    23 hMail Server alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    Good alternative?Is hMail Server a good alternative to Microsoft Exchange?
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    grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.

    Cost / License

    • Freemium
    • Open Source

    Application typeApplication types

    Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • DE flagGermany
    • European Union flagEU
    grommunio screenshot 1
    Good alternative?Is grommunio a good alternative to Microsoft Exchange?
    |
    2comments
    grommunio vs Microsoft Exchange Comments

    Positive comment by Guest ·

    Great Activesync Support POOR and I mean VERY Poor Calendar that has a mind of It's own, setting events or reminders is a NIGHTMARE

    Positive comment by norbertlambing ·

    As the first open source solution to offer a full-featured OutlookAnywhere (RPC over HTTP) and MAPI/HTTP implementation, grammm is the alternative to proprietary backends for native interoperability with Microsoft Outlook

    2 of 2 comments

    • grommunio is Freemium and Open SourceMicrosoft Exchange is Paid and Proprietary
    • grommunio is Privacy focusedMicrosoft Exchange is not according to our users
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    The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations.

    Cost / License

    • Free
    • Open Source

    Application typeApplication types

    Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • DE flagGermany
    • European Union flagEU
    OX Portal
    Good alternative?Is OX App Suite a good alternative to Microsoft Exchange?
12 of 48 Microsoft Exchange alternatives

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