Thanks a lot for your answer. I'm impressed and excited about what is is possible with systemd-home etc.
The coming days I will look into the matter and implement it into my FUSE super fs (OSNS_fuse). It's not yet online, coming in a week or so. Stef Bon See: https://github.com/stefbon email addresses as usernames are not supported: https://serverfault.com/questions/73084/what-characters-should-i-use-or-not-use-in-usernames-on-linux
