Email Formats

{
  "mx": [
    "10 d310333a.ess.barracudanetworks.com.",
    "20 d310333b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +mx +a +ip4:69.16.233.43 +include:spf.ess.barracudanetworks.com ~all"
  ]
}