Email Formats

{
  "mx": [
    "20 d346356b.ess.barracudanetworks.com.",
    "10 d346356a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx ip4:216.170.90.51 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all"
  ]
}