Email Formats

{
  "mx": [
    "10 d258425a.ess.barracudanetworks.com.",
    "20 d258425b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:209.39.20.0/24 include:spf.mandrillapp.com ~all"
  ]
}