Email Formats

{
  "mx": [
    "10 d280594a.ess.barracudanetworks.com.",
    "20 d280594b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:208.80.200.0/21 ip4:192.41.77.69/32 include:spf.ess.barracudanetworks.com -all"
  ]
}