Thanks, but that is odd. My account shows I have an email address as *******@sprintpcs.com. Not saying you are wrong. i just don't understand why my account would still list a Sprint email address.
"REALLY WANTS THE ICS UPDATE NOW!"
that address is used as your network access identifier - basically it is your username and password so that you can use data services on your phone. But as Levi4u mentioned above, we are no longer supporting Sprint email services.
Check out a fun infographic that teaches you how to increase storage, enhance security, improve battery life and clean your device.