Email Formats

{
  "mx": [
    "10 d102231a.ess.barracudanetworks.com.",
    "20 d102231b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:_spf.optimalblue.com ~all"
  ]
}