New PIM-Service "" - CardDAV & CalDAV sync not working?

Dear eM Client team,

I just discovered a new german secure PIM-service on

It really looks fine, has many features and is only 1€ per month.

But there seems to be a problem with CardDAV & CalDAV sync:

Contacts, appointments and tasks are only synced up (from eM Client to but not down.

On my iPhone sync is working fine in both directions.

Can you have a look at it, please? I don’t know if it is a eM Client-Problem or a…

There is a 30 days free demo account availiable at:…

If you have problems with german language, I could set up a demo account for you and give you the login data…

I’m really sorry for the late reply.

Are you still having issues with the synchronization?
I’m not a german speaker so I’m having a little trouble with the account setup.
(please send me the login data to

Thank you,

It’s a bug in the data returned by the service that affects all Open-Xchange servers. We will release an update shortly that workarounds the issues and allows the synchronizaiton to proceed.