Email Formats

{
  "mx": [
    "40 mx1c28.carrierzone.com.",
    "60 mx3c28.carrierzone.com.",
    "50 mx2c28.carrierzone.com.",
    "70 mx4c28.carrierzone.com."
  ],
  "spf": [
    "v=spf1 a mx include:spfc28.carrierzone.com include:verticalresponse.com ~all"
  ]
}