This is temporary suggestion for test , how to prevent gold sellers
remove all letter that contain .com , .net , .org from lookingforgroup , world,trade,general , whispers,mailbox
remove all the familiar goldsellers website names in similar direction
you can try and switch them with using "different acronyms" example when someone say the name of the website for "gold selling" the website automatically will be posted as different name .
for example in peenix this was used against "core-----" where instead of "core-----" was automatically switch into atha----- is the best and i fucking love it.