Email Formats

{
  "mx": [
    "10 west.smtp.mx.exch090.serverdata.net.",
    "20 east.smtp.mx.exch090.serverdata.net."
  ],
  "spf": [
    "v=spf1 include:spf.intermedia.net include:sendgrid.net ip4:167.89.82.157 ip4:167.89.75.142 ip4:167.89.74.79 ~all"
  ]
}