Email Formats

{
  "mx": [
    "90 d174961a.ess.barracudanetworks.com.",
    "90 d174961b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:spf.ess.barracudanetworks.com ip4:24.155.13.220 -all"
  ]
}