Email Formats

{
  "mx": [
    "10 xd1.exchangedefender.com.",
    "15 xd3.exchangedefender.com."
  ],
  "spf": [
    "v=spf1 ptr a:exchangedefender.com ptr:exchangedefender.com include:exchangedefender.com include:spf.constantcontact.com -all"
  ]
}