가입 시 사용자 그룹을 자동 생성하고 한 그룹을 정지할 수 있나요?

[pfaffman (Jay Pfaffman)]

Discourse Authentication Validations might be a solution. Oh, but you asked there already.

I think that the site it was developed for was using it for age checking and looking quickly at their registration page it seems to be working.