Email Formats

{
  "mx": [
    "20 d279059b.ess.barracudanetworks.com.",
    "10 d279059a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:173.13.102.69 +ip4:73.123.43.21 include:spf.ess.barracudanetworks.com -all"
  ]
}