Email Formats

{
  "mx": [
    "10 d248811a.ess.barracudanetworks.com.",
    "10 d248811b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:50.236.127.158 ip4:50.78.170.189 -all"
  ]
}