Email Formats

{
  "mx": [
    "10 d143982a.ess.barracudanetworks.com.",
    "20 d143982b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:209.240.239.230 a mx include:ess.barracudanetworks.com -all"
  ]
}