Email Formats

{
  "mx": [
    "10 mxa.mailgun.org.",
    "10 mxb.mailgun.org."
  ],
  "spf": [
    "v=spf1 include:mailgun.org ~all",
    "v=spf1 a include:spf.efwd.registrar-servers.com include:spf.constantcontact.com include:kirkwood.edu include:secureserver.net ~all"
  ]
}