Email Formats

{
  "mx": [
    "10 d149052a.ess.barracudanetworks.com.",
    "20 d149052b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:216.12.33.22 ip4:216.54.98.54 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all"
  ]
}