Email Formats

{
  "mx": [
    "0 in1-smtp.messagingengine.com.",
    "10 in2-smtp.messagingengine.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:3.219.21.58 +include:spf.messagingengine.com ~all"
  ]
}