Email Formats

{
  "mx": [
    "1 mxext1.mailbox.org.",
    "2 mxext2.mailbox.org.",
    "3 mxext3.mailbox.org."
  ],
  "spf": [
    "v=spf1 include:mailbox.org include:spf.mandrillapp.com include:mailgun.org ~all"
  ]
}