I run a server that states Saber Off = Peace in the MOTD. Simply put if I see this or if I get two complaints against another player I kick him, no questions asked.
Yes my server is FFA not a DUEL server...Duel servers are lame since you have to wait so long for your turn. In FFA you can challenge someone or even if other people are currently dueling you can taunt them then light your saber and start fighing.
This is the way I like it and this is the way it'll remain. If any of you ganks are on my server and do this (and I happen to be on it), you'll find yourself staring at that beautiful "Server has disconected" screen.