Since the visitor message system appeared to be one of the main sources of abuse by the automated bots and spammers I've disabled it completely.
I'm also aware that there are issues with user signatures which is impacting members who have been on the site for several years - I'll try to fix this over the next few days.
I'm also aware that there are issues with user signatures which is impacting members who have been on the site for several years - I'll try to fix this over the next few days.