old_contents: # -*- coding: utf-8 -*-
  
  """
  Known email providers and their MX domains.
  """
  
  __all__ = ['providers']
  
  
  providers = {
      'dreamhost': {'mx': [
          'mx1.sub4.homie.mail.dreamhost.com',
          'mx2.sub4.homie.mail.dreamhost.com',
      ]},
      'google-gmail': {'mx': [
          'gmail-smtp-in.l.google.com',
          'alt4.gmail-smtp-in.l.google.com',
          'alt1.gmail-smtp-in.l.google.com',
          'alt2.gmail-smtp-in.l.google.com',
          'alt3.gmail-smtp-in.l.google.com',
      ]},
      'google-apps': {'mx': [
          'aspmx.l.google.com',
          'alt1.aspmx.l.google.com',
          'alt2.aspmx.l.google.com',
          'alt3.aspmx.l.google.com',
          'alt4.aspmx.l.google.com',
      ]},
      'outlook-hotmail': {'mx': [
          'mx1.hotmail.com',
          'mx2.hotmail.com',
          'mx3.hotmail.com',
          'mx4.hotmail.com',
      ]},
      'godaddy-us': {'mx': [
          'mailstore1.secureserver.net',
          'smtp.secureserver.net',
      ]},
      'godaddy-eu': {'mx': [
          'mailstore1.europe.secureserver.net',
          'smtp.europe.secureserver.net',
      ]},
      'godaddy-as': {'mx': [
          'mailstore1.asia.secureserver.net',
          'smtp.asia.secureserver.net',
      ]},
      'pobox': {'mx': [
          'pb-mx2.pobox.com',
          'pb-mx5.pobox.com',
          'pb-mx4.pobox.com',
          'pb-mx1.pobox.com',
          'pb-mx8.pobox.com',
          'pb-mx3.pobox.com',
      ]},
      'yahoo-mail': {'mx': [
          'mta5.am0.yahoodns.net',
          'mta6.am0.yahoodns.net',
          'mta7.am0.yahoodns.net',
          'mx-apac.mail.gm0.yahoodns.net',
          'mx-eu.mail.am0.yahoodns.net',
      ]},
      'yahoo-bizmail': {'mx': [
          'mx-biz.mail.am0.yahoodns.net',
      ]},
  }
  
new_contents: # -*- coding: utf-8 -*-
  
  """
  Known email providers and their MX domains.
  """
  
  __all__ = ['providers']
  
  # NOTE: Please add new providers and MX servers in alphabetic order
  providers = {
      'dreamhost': {'mx': [
          'mx1.sub4.homie.mail.dreamhost.com',
          'mx2.sub4.homie.mail.dreamhost.com',
      ]},
      'godaddy-us': {'mx': [
          'mailstore1.secureserver.net',
          'smtp.secureserver.net',
      ]},
      'godaddy-eu': {'mx': [
          'mailstore1.europe.secureserver.net',
          'smtp.europe.secureserver.net',
      ]},
      'godaddy-as': {'mx': [
          'mailstore1.asia.secureserver.net',
          'smtp.asia.secureserver.net',
      ]},
      'google-gmail': {'mx': [
          'alt1.gmail-smtp-in.l.google.com',
          'alt2.gmail-smtp-in.l.google.com',
          'alt3.gmail-smtp-in.l.google.com',
          'alt4.gmail-smtp-in.l.google.com',
          'gmail-smtp-in.l.google.com',
      ]},
      'google-apps': {'mx': [
          'aspmx.l.google.com',
          'alt1.aspmx.l.google.com',
          'alt2.aspmx.l.google.com',
          'alt3.aspmx.l.google.com',
          'alt4.aspmx.l.google.com',
      ]},
      'outlook-hotmail': {'mx': [
          'mx1.hotmail.com',
          'mx2.hotmail.com',
          'mx3.hotmail.com',
          'mx4.hotmail.com',
      ]},
      'pobox': {'mx': [
          'pb-mx1.pobox.com',
          'pb-mx2.pobox.com',
          'pb-mx3.pobox.com',
          'pb-mx4.pobox.com',
          'pb-mx5.pobox.com',
          'pb-mx8.pobox.com',
      ]},
      'yahoo-mail': {'mx': [
          'mta5.am0.yahoodns.net',
          'mta6.am0.yahoodns.net',
          'mta7.am0.yahoodns.net',
          'mx-apac.mail.gm0.yahoodns.net',
          'mx-eu.mail.am0.yahoodns.net',
      ]},
      'yahoo-bizmail': {'mx': [
          'mx-biz.mail.am0.yahoodns.net',
      ]},
  }
  
subject: Reorder providers and servers.