Email Formats

{
  "mx": [
    "10 d336204a.ess.barracudanetworks.com.",
    "20 d336204b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +ip4:66.185.18.237 +include:spf.protection.outlook.com +include:spf.ess.barracudanetworks.com +include:sendgrid.net ~all"
  ]
}