Spring RTS Engine

I haven't play Spring for sometime and I decided to play with my friend today but when I try to log on I got the following message:

"Login failed: You are banned from this server! (Reason: sefidel). Please contact server administrator."

I searched the forum but didn't get any relevant answer. Please help.

You're in the same IP range as about 20 of Sefidel's smurfs, I didn't realize there were other players in that range. Sorry about that.