Email Formats

{
  "mx": [
    "2 d262777a.ess.barracudanetworks.com.",
    "3 d262777b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx a:ess.barracudanetworks.com ip4:136.179.14.205 ip4:199.59.109.60 ip4:209.222.80.0/21 -all"
  ]
}