Email Formats

{
  "mx": [
    "3 d193591a.ess.barracudanetworks.com.",
    "3 d193591b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:cust-spf.exacttarget.com include:mail.zendesk.com include:spf.protection.outlook.com ip4:1.2.3.4 ~all"
  ]
}