Email Formats

{
  "mx": [
    "20 d110563b.ess.barracudanetworks.com.",
    "10 d110563a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx ip4:64.235.144.0/20 ip4:74.63.132.192/26 ip4:216.58.172.128/26 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all"
  ]
}