Email Formats

{
  "mx": [
    "15 d158771b.ess.barracudanetworks.com.",
    "10 d158771a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:209.33.203.224/28 ip4:209.33.221.0/26 include:spf.ess.barracudanetworks.com include:servers.mcsv.net -all"
  ]
}