Email Formats

{
  "mx": [
    "10 mx.junkemailfilter.com.",
    "20 mx.junkemailfilter.net.",
    "30 mx.junkemailfilter.org."
  ],
  "spf": [
    "v=spf1 a mx include:_spf.elasticemail.com ~all"
  ]
}