Yes, we've been having the same problem for the last day or so. It seems that, regardless of the mail domain, no invite is sent to the user.
ruben_filipe_vaz
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
From
Lisbon