A friend of mine tried to register from the Netherlands today, and it informed him he was a spammer and rejected his application. I tried to register for him from my office here in the UK and it said I was a spammer and rejected it. From other emails I have received this seems to be what happens whenever anyone tries to register which is clearly suboptimal

In the end I haad to use the admin interface to create his account.
So, my question is does anybody have enough knowledge of administrating a MyBB forum to sort this out?
Tim