Email Formats

{
  "mx": [
    "20 mx1.windstreambiz.net.",
    "30 mx2.windstreambiz.net.",
    "40 mx3.windstreambiz.net.",
    "50 mx4.windstreambiz.net."
  ],
  "spf": [
    "v=spf1 a mx include:spfc25.carrierzone.com include:verticalresponse.com ~all"
  ]
}