Open Add Account wizard
Touch the Add Account button in the Mail, Contacts, Calendars section of Settings.
Select Other as account type
Touch Other to continue.
Select mail account
Touch Add Mail Account to commence setup.
Enter personal informations
Enter your name, email address and your password. Optionally change the account description. Touch Next to continue.
Enter server settings
For Incoming Mail Server enter imap.nine.ch as Host Name, your email address as User Name and your password.
For Outgoing Mail Server enter smtp.nine.ch as Host Name, your email address as User Name and your password. Touch Next to continue.
The verification of your email settings should succeed and the setup completed.