Email Formats

{
  "mx": [
    "10 d221791a.ess.barracudanetworks.com.",
    "20 d221791b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx ip4:50.173.221.120/29 a:spf.exclaimer.com include:spf.protection.outlook.com -all"
  ]
}