Email Formats

{
  "mx": [
    "10 d308252a.ess.barracudanetworks.com.",
    "20 d308252b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx ip4:74.50.224.224 ip4:65.110.11.185/16 ip4:74.50.224.199 ip4:74.50.224.198 include:spf.ess.barracudanetworks.com ~all"
  ]
}