Email Formats

{
  "mx": [
    "10 d128797a.ess.barracudanetworks.com.",
    "20 d128797b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:66.45.244.66 include:relay.is.cc +include:spf.ess.barracudanetworks.com +include:spf.protection.outlook.com -all"
  ]
}