Is it possible or is it just the first account you add?
What about reordering the way they appear on the mail screen? Do I have to remove them all and readd or can I reorder them?
Settings, mail/contacts/calenders, Default account under mail, change to what you want it to be.
Go to Settings>Mail,Contacts,Calendars...scroll down to the Mail section, tap Default Accout and set the one you want as your default.
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