Please follow these steps to add your email account on the iPhone:

  1. From the Home screen, choose Settings.
  2. Next, tap Mail, Contacts, Calendars.
  3. In the Accounts section, tap Add Account.
  4. Choose Other.
  5. Select Add Mail Account under the Mail section.
  6. Enter your account information.

Name: Your name
E-Mail: (Your email address)
Password: (Your password)
Description: anything you like

  1. On the next screen, enter your account details.

Hostname: (where is your own website domain)
Username: (Your email address)
Password: (Your password)

If you have forgotten the email password, you can reset your email password by yourself in cPanel — Email Accounts — your email account — Password.