Email Formats

{
  "mx": [
    "50 d78707a.ess.barracudanetworks.com.",
    "0 smtp4.nantworks.com.",
    "0 smtp3.nantworks.com.",
    "50 d78707b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all"
  ]
}