Email Formats

{
  "mx": [
    "1 mx-br.spfbl.net.",
    "2 mx-us.spfbl.net."
  ],
  "spf": [
    "v=spf1 +mx +a:email-m4br.interata.com.br +ip4:108.163.131.52 +ip4:177.70.29.6 -all"
  ]
}