Email Formats

{
  "mx": [
    "10 d96399a.ess.barracudanetworks.com.",
    "10 d96399b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +mx  include:itulmail.com  ~all",
    "v=spf1 ip4:65.74.132.56 ip4:65.74.139.233 +a +mx +ip4:65.74.177.171 ?all"
  ]
}