Email Formats

{
  "mx": [
    "15 d262616b.ess.barracudanetworks.com.",
    "10 d262616a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx a:servers.mcsv.net ip4:12.165.112.51 ip4:12.165.112.53 ip4:209.222.80.0/21 ip4:64.235.144.0/20 ~all"
  ]
}