Email Formats

{
  "mx": [
    "10 d247274a.ess.barracudanetworks.com.",
    "10 d247274b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:63.243.118.192/27 ip4:198.7.57.104/32 include:spf.constantcontact.com include:e2ma.net ~all"
  ]
}