Ive heard mixed reports about iCloud's ability to "sync" mail across devices. For instance for me specifically, if I read a message on my iPad, my iPhone does not automatically update the badge on the mail app to show that the message has been read. Same if I read it on my Mac. All of my settings are on push for my account and all settings are identical across devices. For my friend, the functionality is there. I am completely puzzled as to why this is. Can anyone shed any light on this?