- On your iPhone home screen, select Settings.
- Select Mail.
- Select Accounts.
- Select Add Account.
- Select Yahoo!.
- Enter your email address and select Next.
- Enter your password and select Next.
- Choose which information to download to your phone by tapping the sliders next to Mail, Contacts, Calendars, or Notes, and then select Save.
You can now access your AT&T email account information from your iPhone.