Att Email Setup >> How to setup Att email on iPhone?
Launch the iPhone settings from the home screen by tapping the “Settings” app. Choose the “Contact, Mail, Calendars” section and then click the “Add account” option to add your Att email account.
Choose the “Yahoo” button and enter the name and email address & password into the requested fields. You should also add a description such as “Att webmail”. Choose the “Save” button. Once you have done, click the “Home” option for returning to the main iPhone tab.
Swipe the home tabs right or left until locating the Mail icon. Click the “Mail” to open the email app on your iPhone, which now contains your Att emails. For more help, call AT&T technical support phone number