I was having the same issue all of a sudden. My AT&T email was working just fine with beta 1, then was working initially with beta 2 but then all of a sudden stopped working. Removing and re-adding the account seems to have it back up and working again though.
egilreath
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