Email Formats

{
  "mx": [
    "5 d171650a.ess.barracudanetworks.com.",
    "7 d171650b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:192.104.112.130 include:spf.ess.barracudanetworks.com ~all"
  ]
}