Email Formats

{
  "mx": [
    "5 d153369b.ess.barracudanetworks.com.",
    "1 d153369a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:216.223.149.165 ip4:216.223.149.174 ip4:216.145.96.15 include:spf.ess.barracudanetworks.com -all"
  ]
}