Email Formats

{
  "mx": [
    "20 mx.ct.mbox.net.",
    "10 mx.usa.net."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:37.60.233.12 +ip4:199.189.180.70 +ip4:199.189.180.71 include:spf.usa.net -all"
  ]
}