@Hicksmat1976 this thread is turning into 'solve any basic problem relating to iMessage'.
Is it worth editing your first post to ring-fence this thread to the known bug we have identified relating to country-codes / new Sierra / High Sierra installs - i.e. the one that most of us here have been trying to diagnose?
Is it worth editing your first post to ring-fence this thread to the known bug we have identified relating to country-codes / new Sierra / High Sierra installs - i.e. the one that most of us here have been trying to diagnose?