Email Formats

{
  "mx": [
    "10 d173370a.ess.barracudanetworks.com.",
    "20 d173370b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx include:_spf.psm.knowbe4.com include:aspmx.sailthru.com include:lockwoodbroadcast.com -all"
  ]
}