Email Formats

{
  "mx": [
    "30 mx.junkemailfilter.org.",
    "20 mx.junkemailfilter.net.",
    "10 mx.junkemailfilter.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:70.166.47.177 ip4:209.182.199.150 include:spf.constantcontact.com include:spf.mailjet.com ~all"
  ]
}