Ubuntu LTS release

[Timotheus Pokorra]

Hello Gerald,
> (14.04 and 16.04). Unfortunately, I can't test WInterfell. Kolab is
> replacing a Zentyal server, which replaced a Zimbra server, and contains
> years of data. I'll stay with 3.4.

I understand you would not test it with your life server.
But if you are seriously interested in Kolab on Ubuntu, you could do a
test installation of Winterfell on Ubuntu, and see how far that works,
and if basic functionality works as you expect.

Timotheus