Email Formats

{
  "mx": [
    "20 d300301b.ess.barracudanetworks.com.",
    "10 d300301a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:mailgun.org ~all",
    "v=spf1 include:spf.protection.outlook.com include:u20487869.wl120.sendgrid.net include:spf.ess.barracudanetworks.com ~all"
  ]
}