Email Formats

{
  "mx": [
    "20 d117401b.ess.barracudanetworks.com.",
    "10 d117401a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ip4: 24.234.56.103 include:spf.ess.barracudanetworks.com ~all"
  ]
}