Can I leave message groups I don't wanna be in anymore?
Beside your username or character name on the right side of the PM (when it's open) there should be a little X that you can click and remove yourself from the PM.
Thank you 
You are on: Forums » Help » How to leave pms
Moderators: Mina, Keke, Cass, Auberon, Claine, Ilmarinen, Ben, Darth_Angelus