Package configuration

  ┌────────────────────────┤ Postfix Configuration ├────────────────────────┐
  │                                                                         │
  │ Please select the mail server configuration type that best meets your
  │ needs.
  │
  │  No configuration:
  │   Should be chosen to leave the current configuration unchanged.
  │  Internet site:
  │   Mail is sent and received directly using SMTP.
  │  Internet with smarthost:
  │   Mail is received directly using SMTP or by running a utility such
  │   as fetchmail. Outgoing mail is sent using a smarthost.
  │  Satellite system:
  │   All mail is sent to another machine, called a 'smarthost', for
  │ delivery.
  │  Local only:
  │
  │                                 <Ok>
  │