Email Formats

{
  "mx": [
    "10 d277614a.ess.barracudanetworks.com.",
    "20 d277614b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ptr ip4:208.73.131.38 a:mail.wtengineering.com include:spf.ess.barracudanetworks.com ~all"
  ]
}