Email Formats

{
  "mx": [
    "100 mx2c76.carrierzone.com.",
    "120 mx4c76.carrierzone.com.",
    "10 mx1c76.carrierzone.com.",
    "110 mx3c76.carrierzone.com.",
    "32767 ms22640812.msv1.invalid."
  ],
  "spf": []
}