If you have run into the "Problem Turning on Mail" error when setting up an iCloud email account on your iPhone, iPad or iPod, try signing out of iCloud and back into iCloud. Make sure you know your Apple ID and password before you sign out. Note: General people query on:
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Having an iCloud email connects all your files with your inbox, allowing you to send them quickly and easily wherever you are from bulk email cleaner your Mac, iPhone, or iPad. Your Mac's Mail app should automatically download from iCloud when you register your computer, and the same goes for your iPhone or iPad.