Email Formats

{
  "mx": [
    "10 d298747a.ess.barracudanetworks.com.",
    "10 d298747b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:64.225.243.243 include:spf.ess.barracudanetworks.com -all"
  ]
}