Is there a list of reserved words that Apple will NOT allow in the email address naming in the @icloud.com account? I want to create a dummy account use johnappleseed with a number of variant prefix or subfix add to it, and none of them are permitted, no matter how ridiculous (without using numbers) the name is. I suspect that Apple is blocking certain words like apple / appleseed, icloud, and so on. Is this true? Is there a list I can see?