Contact
The best way to contact us is to join our chatroom at jabber@muc.jabber.rwth-aachen.de.
If you have trouble registering or connecting, use this form and we will get back to you. Please try to be as specific as possible to describe your problem: What exactly have you done that led to your issue? If you get an error message, what does it say and where exactly do you see it? What client are you using? ...and so on.