Email Formats

{
  "mx": [
    "10 d128937a.ess.barracudanetworks.com.",
    "20 d128937b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a:dispatch-us.ppe-hosted.com ip4:64.235.144.0/20 ip4:209.222.80.0/21 ~all"
  ]
}