Email Formats

{
  "mx": [
    "0 d298496b.ess.barracudanetworks.com.",
    "0 d298496a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:50.87.253.158 +ip4:173.254.34.247 +include:spf.ess.barracudanetworks.com ~all"
  ]
}