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An Open Source Exchange Server | Grommunio

Grommunio is a free and open source drop-in replacement for Microsoft Exchange. A free email and collaboration platform, Grommunio implements the standard Microsoft Exchange protocols like ActiveSync, Autodiscover, MAPI over HTTP, Outlook Anywhere, and Exchange Web Services; meaning it works with Outlook on Windows and Mac without plugins, and it works with your mobile without extra apps. Is open source finally able to steal Exchange Server’s crown?

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📽️ Exchange Server: Can’t Be Arsed Edition

🌐 Grommunio Website
https://grommunio.com/

Video timestamps:
0:00 – Introduction
1:31 – Why Exchange is so Popular
3:41 – Protocol Support
5:54 – Collaborative Services
7:38 – Features Vs Exchange
8:55 – Problems
9:55 – Pricing
11:15 – Community Limitations & Speculation
15:17 – Ready to Replace Exchange?

#OpenSource # Grommunio #Linux #Exchange #ExchangeServer #Office365 #Microsoft365

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9 thoughts on “An Open Source Exchange Server | Grommunio

  • Update: The 5-mailbox limit on the community edition applies to user mailboxes (people and service accounts), but not shared/equipment mailboxes. Grommunio has updated their website to reflect this.

    Grommunio has also clarified that the "Gromox" component does not derive from Kopano, although other components of Grommunio do. While there are claims made to the contrary, the primary source referenced by the majority of these claims has since been deleted by the author, so I am inclined to believe Grommunio's account.

  • Unfortunately, no one wants to administer an email server…In fact, at this point I'd actually recommend against it. I'm just not sure why any business would ever take a chance on this. Don't get me wrong, I'd like for it to succeed, but I just don't see how it's possible…

  • I hadn't heard of this one yet. Thanks for sharing. Definitely one to watch. Completely agree, they need to build the community to help it grow into a polished and trusted product. Then it will be that community that takes it into business as a trusted solution.

    I've been an exchange engineer for years too (since exchange 2000), I have been looking for something like this for years. MS have had no competition and it really shows these days.

    Thanks for the really well explained video.

  • Of all the things Gromox is, it's not a fork of Kopano sw. If anything, grommunio-web and grommunio-sync are. "5 mailboxes" is an oversight; the software actually checks for 5 users (active ones at that).

  • exchange would be much better if it didn't rely on the terrible client outlook is

    also Android doesn't support it for some reason, you need a third party app to access more than mail (like the another awful outlook)

  • Nice video. I'll definitely check this out.
    Been running exchange at home for my small business for 21 years and was planning to move to the cloud in October next year when support for Exchange 2016 ends. This project might keep it in the homelab.

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