Email Formats

{
  "mx": [
    "10 east.smtp.mx.exch025.serverdata.net.",
    "10 west.smtp.mx.exch025.serverdata.net."
  ],
  "spf": [
    "v=spf1 include:_spf.createsend.com ip4:64.89.121.74/31 include:spf.serverdata.net ~all"
  ]
}