1. Go to Settings -> Accounts


  2. Choose Personal (IMAP)


  3. Press Account settings


  4. Add account


  5. Personal (IMAP/POP)


  6. Enter your email address


  7. Choose Personal (IMAP)

  8. Enter password


  9. Incoming Server: mail.<yourdomainname>
    Port: 143


  10. Outgoing (SMTP) Server: mail.<yourdomainname>
    Port: 587


  11. Press Next


  12. Done