Email Formats

{
  "mx": [
    "10 d78375a.ess.barracudanetworks.com.",
    "20 d78375b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:47.206.13.73 include:spf.constantcontact.com include:sendgrid.net include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:209.5.122.56 -all"
  ]
}