I can confirm that there is issues with iOS 16. I am unable to add my Exchange account, which has an IDN domain. Today I've been in contact with the support regarding this issue, and mentioned this thread both in the chats and during the call I had with them.
Hopefully something happens.
Izaac
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
User for