Email Formats

{
  "mx": [
    "20 d304942b.ess.barracudanetworks.com.",
    "10 d304942a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx ip4:50.235.162.4 include:spf.ess.barracudanetworks.com ~all"
  ]
}