Email Formats

{
  "mx": [
    "20 d140581b.ess.barracudanetworks.com.",
    "0 d140581a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:207.162.135.32/28 a:mail.caseusa.com include:email-od.com include:spf.protection.outlook.com -all"
  ]
}