Email Formats

{
  "mx": [
    "20 d160221b.ess.barracudanetworks.com.",
    "10 d160221a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:spf1.barracuda.com include:spf2.barracuda.com -all"
  ]
}