Try grommunio for free.

You don’t yet know whether grommunio is the right communication solution for you?

No problem – we have set up a demo platform for you to try out!
This demo installation access gives you the opportunity to see for yourself the connectivity, speed and look and feel.

The demo account gives you access without installing additional software via

Windows Mail

icon outlook



Apple Mail* / iOS**

icon thunderbird


grommunio web

* = or other IMAP, CalDAV and CardDAV clients
** = on mobile devices, please select “Microsoft Exchange” as the account type

Available protocols
RPC over HTTP | Exchange ActiveSync (EAS) | IMAP(s) | POP3(s) | CalDAV | CardDAV

Three ways to test grommunio

Server installation

Install grommunio on your own server.
Here you find all information:

Email Client
~ currently under revision ~
Create a new email account in the client * of your choice and use the log-in data below.
* for example Outlook, Android, iOS / AppleMail, Thunderbird, etc.
grommunio Web
~ currently under revision ~
Open the web portal and enter the demo account login data below.

The demo instance is currently being updated and will be available again soon.

s Important note on data privacy

Please do not use personal data, they could be seen by other demo users!

Please also note that outgoing and incoming emails are not possible in the demo for security reasons – you can, however, send emails to other users for test purposes (to be found using the address book function).

Thank you for your understanding.

grommunio Partner Program

grommunio focuses on the indirect sales channel. Sales partners and distributors benefit from this. As a sales partner, you too can benefit from these growth opportunities and the excellent opportunities of the partner program.