Email Formats

{
  "mx": [
    "1 post02.itau.com.br.",
    "1 post01.itau.com.br."
  ],
  "spf": [
    "v=spf1 ip4:200.196.144.0/20 ip4:138.59.160.0/24 ip4:54.94.50.188 ip4:54.233.178.89 ip4:18.229.226.158 include:cust-spf.exacttarget.com -all"
  ]
}