Email Formats

{
  "mx": [
    "10 d64743a.ess.barracudanetworks.com.",
    "10 d64743b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:67.225.139.160 ip4:67.225.138.239 include:spf.ess.barracudanetworks.com ~all"
  ]
}