Email Formats

{
  "mx": [
    "5 d139642b.ess.barracudanetworks.com.",
    "5 d139642a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a:mail include:spf.ess.barracudanetworks.com ~all"
  ]
}