Email Formats

{
  "mx": [
    "20 d309973b.ess.barracudanetworks.com.",
    "10 d309973a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:216.117.129.21 +ip4:216.117.145.222 +include:spf.protection.outlook.com +include:spf.ess.barracudanetworks.com -all"
  ]
}