Email Formats

{
  "mx": [
    "10 d91064a.ess.barracudanetworks.com.",
    "20 d91064b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a include:spf.ess.barracudanetworks.com ip4:204.13.40.86 -all"
  ]
}