To set up an email on your iPhone 5, follow the steps below.
From the iPhone 5 home screen, select Settings.
Scroll down and select Mail, Contacts and Calendar.
Next, scroll down and select Signatures.
You will now be given the option to set one e-mail address for all accounts,
or to set a signature for each
individual account.
Enter the appropriate e-mail address, website and contact information, then tap Save.
You're finished.