Question: Apple Mail is not syncing my messages with the cloud/server
Ever since upgrading to High Sierra, I'm having issues with mail. It is not syncing to the cloud.
When I delete messages on Mail, about 20-40 seconds later they all show back up. Nothing will delete from my inbox.
Also, when marking messages as "Read" in Mail, they do not show up that way on my iPhone - on Mail on my iPhone all messages are still marked "unread" no matter what I do.
MacBook Pro, macOS High Sierra (10.13.3)