Email Formats

{
  "mx": [
    "10 d210335a.ess.barracudanetworks.com.",
    "15 d210335b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx ip4:209.222.82.126 include:spf.ess.barracudanetworks.com include:mktomail.com -all"
  ]
}