Email Formats

{
  "mx": [
    "4 d270483a.ess.barracudanetworks.com.",
    "7 d270483b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:spf.ess.barracudanetworks.com ip4:72.43.89.50 -all"
  ]
}