There have been reports of someone sending spam messages via dialogs/private messages to members on the Gagajoyjoy forum.
It was initially suggested by a moderator that the members could report the spam messages via the Report function. However this function does not currently exist on dialogs, so the first suggestion by the moderator is that this could be implemented.
The second suggestion which is related is mine - it would be helpful if members could blacklist individual members from being able to send them dialogs. This function used to be available until the major changes last year, but is no longer available. This is not the same as the existing facility for a member to set their settings so that they cannot receive any dialogs.
The moderator suggested to me that I posted these suggstions here.