Auto-assign new user to group based on email URL(s)

[jondoe0069]

Is there a way to auto-assign users to a group based on their email URL at sign up? I have some private forums I would only like to make available to users with email addresses coming from certain organization and I think this would be a good add on.

This could also double as a feature to limit forum access to only users coming from specific organizations or to block users signing up with emails from certain URL's.