Email Formats

{
  "mx": [
    "20 d144825b.ess.barracudanetworks.com.",
    "10 d144825a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx include:spf.ess.barracudanetworks.com ip4:208.124.148.19 ip4:54.69.181.247 ~all"
  ]
}