Email Formats

{
  "mx": [
    "10 d43167a.ess.barracudanetworks.com.",
    "20 d43167b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx include:spf.ess.barracudanetworks.com include:23.28.231.74 ~all"
  ]
}