Email Formats

{
  "mx": [
    "10 d292424a.ess.barracudanetworks.com.",
    "20 d292424b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +mx +a +ip4:204.44.192.60 +include:spf.protection.outlook.com +include:spf.ess.barracudanetworks.com +include:spf.constantcontact.com -all"
  ]
}