Email Formats

{
  "mx": [
    "10 in1-smtp.messagingengine.com.",
    "20 in2-smtp.messagingengine.com."
  ],
  "spf": [
    "v=spf1 include:spf.messagingengine.com mx ip4:174.136.97.99 ip6:2607:f2f8:a2f0::3 ~all"
  ]
}