Email Formats

{
  "mx": [
    "10 mx3.wbinfo.com.br.",
    "5 mail.w3sat.com.br."
  ],
  "spf": [
    "v=spf1 a mx ptr ip4:186.226.156.211 ip4:45.236.7.229 ip4:45.236.7.236 mx:mail.w3sat.com.br include:_spf.rdstation.com.br include:sendgrid.net ~all"
  ]
}