Email Formats

{
  "mx": [
    "10 d175639a.ess.barracudanetworks.com.",
    "20 d175639b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:203.55.237.219 +ip4:203.56.255.0/25 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all"
  ]
}