Email Formats

{
  "mx": [
    "10 east.smtp.mx.exch091.serverdata.net.",
    "20 west.smtp.mx.exch091.serverdata.net."
  ],
  "spf": [
    "v=spf1 include:secureserver.net include:spf.constantcontact.com include:spf.intermedia.net ip4:192.124.249.153 mx ~all"
  ]
}