Email Formats

{
  "mx": [
    "10 d299615a.ess.barracudanetworks.com.",
    "20 d299615b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:spf.messagelabs.com include:spf.ess.barracudanetworks.com ~all"
  ]
}