Email Formats

{
  "mx": [
    "10 mail.zentrys.com."
  ],
  "spf": [
    "v=spf1 include:_spf.google.com ip4:185.56.147.192 mx:mail.zentrys.com include:spf.mandrillapp.com include:_spf.duocast.net +a +mx ~all"
  ]
}