Email Formats

{
  "mx": [
    "20 mx.b.locaweb.com.br.",
    "10 mx.core.locaweb.com.br.",
    "20 mx.a.locaweb.com.br.",
    "20 mx.jk.locaweb.com.br."
  ],
  "spf": [
    "v=spf1 include:sendgrid.net  ip4:189.125.182.187/32  ip4:3.130.222.27/32 ip4:52.0.142.242/32 -all"
  ]
}