Email Formats

{
  "mx": [
    "1 d22723a.ess.barracudanetworks.com.",
    "2 d22723b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +mx +a +ip4:104.11.44.10  include:ess.barracudanetworks.com ~all"
  ]
}