Email Formats

{
  "mx": [
    "20 d214459b.ess.barracudanetworks.com.",
    "10 d214459a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:206.144.232.224/27 ip4:50.203.68.130/32 include:spf.ess.barracudanetworks.com ~all"
  ]
}