Email Formats

{
  "mx": [
    "10 d308146a.ess.barracudanetworks.com.",
    "20 d308146b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:50.202.24.135 include:sendgrid.net include:spf.ess.barracudanetworks.com ~all"
  ]
}