2) The server is the router, if i use the ISP config Firewall nothing works, not even my local network so I'm forced to use the SuSe Firewall
3) Okey ill wait 1 more day and see what happens
-> anything about webmail.domain. not working?
And i never got the registration E-mail, hence i e-mailed from my work adress to ask (again) to activate my account.