Please follow these steps to configure your email account on your iPhone.
- Please go to 'Settings > Mail' on the home screen
- Please go to Accounts
- Please go to the email account you wish to modify.
- Please tap to 'Account'
- Please fill in this information
- Incoming mail server Hostname: 'mail.yourdomain.com'
- Incoming mail server Username: Your full email address
- Incoming mail server Password: Your email account password
- Scroll down to 'Outgoing Mail Server' and tap 'SMTP'.
- Please tap on the 'Primary Server'.
- Please make sure the 'Server' slider is 'On' and enter the AuthSMTP host name supplied during the activation process, typically 'mail.yourdomain.com'.
- Please enter the SMTP username and password.
- Please set the 'Use SSL' slider off.
- Please set 'Authentication' to 'MD5 Challenge-Response'
- Please set the server port to '25' or '8889'
- Please tap 'Done' in the top right-hand corner
- Now you can see that your SMTP server has been updated.
- Please tab '< Account' to go back to account settings.
- Please tap 'Done'