Email Formats

{
  "mx": [
    "30 mx3-us.mtaroutes.com.",
    "20 mx2-us.mtaroutes.com.",
    "40 mx4-us.mtaroutes.com.",
    "10 mx1-us.mtaroutes.com."
  ],
  "spf": [
    "v=spf1 +a include:4518445.spf02.hubspotemail.net include:_spf.google.com include:spf.mtaroutes.com +mx +a:mars.atomiclayer.com -all"
  ]
}