Email Formats

{
  "mx": [
    "50 mail2.dbtg.de.",
    "500 mail3.dbtg.de.",
    "50 mail4.dbtg.de.",
    "50 mail1.dbtg.de."
  ],
  "spf": [
    "v=spf1 mx include:dbtg.de ~all"
  ]
}