Email Formats

{
  "mx": [
    "100 mail.echelon.nl.",
    "200 mx200.echelon.nl.",
    "300 mx300.echelon.nl.",
    "400 mx400.echelon.nu."
  ],
  "spf": [
    "v=spf1 a mx include:_spf.root.nl include:spf.sigma1.postal.cyso.net include:cmail1.com exists:%{ir}._spf.msdp1.com ?all"
  ]
}