Email Formats

{
  "mx": [
    "10 ktvmx03.mail.admin.ch.",
    "10 ktvmx01.mail.admin.ch.",
    "10 ktvmx02.mail.admin.ch.",
    "10 ktvmx04.mail.admin.ch."
  ],
  "spf": [
    "v=spf1 redirect=_spf1.vs.ch"
  ]
}