[chrishajer]

There has been some talk of looking into the registration process.

http://comox.textdrive.com/pipermail/bbdev/2007-December/001764.html

Also, how about the enhanced registration plugin?

https://bbpress.org/forums/topic/plugin-enhanced-registration?replies=17

And a while back, someone commented that it took only a few minutes to delete the bad registrations every day. Can’t find a link to that post right now…