I need help with setting up of Jitsi

on a server and probably further help in maintanance.

Please follow the below link, if think you need other help please let know
https://jitsi-meet-ssl-certificates.blogspot.com/

Hi @Thomas_Kratz

I’m from Meetrix.IO which provides Jitsi installation, configuration and customization services. Please contact us via hello@meetrix.io. We will be able to work with you on this.