Email Formats

{
  "mx": [
    "10 d85179a.ess.barracudanetworks.com.",
    "20 d85179b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:64.235.144.0/20 ip4:67.55.124.0/26 ip4:209.222.80.0/21 include:spf.ess.barracudanetworks.com ~all"
  ]
}