Email Formats

{
  "mx": [
    "10 d191604a.ess.barracudanetworks.com.",
    "20 d191604b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a:mailsecurity.element-4.com include:spf.ess.barracudanetworks.com ip4:155.130.131.4 include:spf.protection.outlook.com -all"
  ]
}