Email Formats

{
  "mx": [
    "15 d273899a.ess.barracudanetworks.com.",
    "5 d273899b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:203.143.22.216/29 ip4:203.143.6.176/29 ip4:203.143.36.105/32 include:spf.ess.barracudanetworks.com -all"
  ]
}