Email Formats

{
  "mx": [
    "10 d130731b.ess.barracudanetworks.com.",
    "10 d130731a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:66.226.33.192/29 include:spf.ess.barracudanetworks.com -all"
  ]
}