There is no, I first time see this one, I think administration can this confirm, having looked logs and activity.
So what do I do now? I sent an e-mail which is addressed to the robot, but the answer can not wait. :-(
These emails usually don't do anything. I'm not even sure if theymos still checks them.
If you got banned, chances are that the ban is justifiable. Ban's are hardly ever revoked.