Email Formats

{
  "mx": [
    "20 mx.ct.mbox.net.",
    "10 mx.usa.net."
  ],
  "spf": [
    "v=spf1 a include:spf.protection.outlook.com include:spf.usa.net include:docs-center.com include:spfref.jackhenry.com include:mailgun.org ~all"
  ]
}