Email Formats

{
  "mx": [
    "10 east.smtp.mx.exch028.serverdata.net.",
    "20 west.smtp.mx.exch028.serverdata.net."
  ],
  "spf": [
    "v=spf1 mx a ip4:38.70.71.60 include:sendgrid.net include:spf.intermedia.net include:mailgun.org ~all"
  ]
}