Email Formats

{
  "mx": [
    "10 mx.usa.net.",
    "20 mx.ct.mbox.net."
  ],
  "spf": [
    "v=spf1 mx a include:usa.net include:bluehost.com include:sgded.com ip4:184.154.151.186 -all",
    "v=spf1 include:sendgrid.net include:mailgun.org include:relay.mailchannels.net ~all"
  ]
}