Hi,
thanks for your answers.
We have had the problem with the sogo webinterface Error in SOGo webinterface after beta2 updates - #16 by alefattorini
After every update you have to repair (yes I know, it’s beta).
Primarily I’m a windows administrator and I’m learning to go with linux. But at this time I think I can decide what I want to install, but I’m not so far with doing everything in terminal