Email Formats

{
  "mx": [
    "10 d78603a.ess.barracudanetworks.com.",
    "20 d78603b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx include:spf.provisionmail.net include:spf.constantcontact.com ip4:66.51.128.104 ~all"
  ]
}