1. Go to your Settings icon from the home screen.
2. Click the “Mail, Contacts, Calendars” menu.
3. Add Mail Account
4. Select the last option “Other“.
5. Enter the required fields.
6. Select IMAP or POP3. Here you can check quickly what is the difference:
7.Your device should fill-in all the fields automatically and you may only need to edit the Host Name to mail.yourdomain.com
8. Switch the email option to On and hit Save.
That is it! Now your iOS device will connect to your email account.