Email Formats

{
  "mx": [
    "10 d150515a.ess.barracudanetworks.com.",
    "20 d150515b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx ip4:66.151.188.183 ip4:96.66.177.9 ip4:96.66.177.10 -all"
  ]
}