Email Formats

{
  "mx": [
    "1 d127862a.ess.barracudanetworks.com.",
    "2 d312989a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx include:servers.mcsv.net include:spf.constantcontact.com include:spf.ess.barracudanetworks.com -all"
  ]
}