Email Formats

{
  "mx": [
    "10 d275695a.ess.barracudanetworks.com.",
    "20 d275695b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx include:spf.ess.barracudanetworks.com a:mail.s2g.net ip4:136.175.3.0/24 -all"
  ]
}