Email Formats

{
  "mx": [
    "20 cuda.koorsen.com.",
    "35 d323458b.ess.barracudanetworks.com.",
    "30 d323458a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:SPF1.koorsen.com include:SPF2.koorsen.com -all"
  ]
}