Email Formats

{
  "mx": [
    "10 d121570a.ess.barracudanetworks.com.",
    "10 d121570b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +ip4:67.225.143.158 +include:_spf.google.com +include:spf.ess.barracudanetworks.com +include:host1.nationaldrugscreening.com ~all"
  ]
}