Email Formats

{
  "mx": [
    "40 mx4.mtaroutes.com.",
    "30 mx3.mtaroutes.com.",
    "20 mx2.mtaroutes.com.",
    "10 mx1.mtaroutes.com."
  ],
  "spf": [
    "v=spf1 include:guard.bbt.com include:email-od.com -all"
  ]
}