Email Formats

{
  "mx": [
    "10 mail01.u2d.de.",
    "10 mail02.u2d.de.",
    "10 mail03.u2d.de.",
    "10 mail04.u2d.de.",
    "10 mail05.u2d.de.",
    "10 mail06.u2d.de.",
    "10 mail10.u2d.de."
  ],
  "spf": [
    "v=spf1 mx include:spf.u2d.de -all"
  ]
}