Tap "Settings" app
Tap "Mail, Contacts, Calendars"
Tap "Add Account..."
Tap "Other" (bottom option)
Tap "Add Mail Account"
Enter Name, enter your entire email address, such as
(iPhone will attempt to guess your settings. Allow ~1 minute for it
(It's the default. The option you've selected will be highlighted
Under "Incoming mail server"
Set "hostname" to
Set "username" to such as
Set "password" to your password
Under "Outgoing mail server"
Set "Host name" to
Set "User name" to such as
Set password to your password
You are now ready to send and receive emails via your iPhone.