Email Formats

{
  "mx": [
    "0 d129730a.ess.barracudanetworks.com.",
    "5 d129730b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1  a mx ip4:50.228.106.74 ip4:50.228.106.98 -all"
  ]
}