You only have one default email account. This is the account any email will send from when composing a new email. If you'd like to send from something other than your default, the process is easy. To read up on how to set your default account, check out this article.


To send from an account other than your default:


Tap your email address.




The screen will change a bit. Tap your email address again and then, from the selector at the bottom, select the alternative account you'd like send from.