Email Formats

{
  "mx": [
    "1 d218311a.ess.barracudanetworks.com.",
    "2 d218311b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx include:_spf.google.com include:spf.ess.barracudanetworks.com ~all"
  ]
}