Email Formats

{
  "mx": [
    "10 d243617a.ess.barracudanetworks.com.",
    "20 d243617b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:67.225.255.157 +a +mx +ip4:67.227.214.56 include:spf.ess.barracudanetworks.com ~all"
  ]
}