Email Formats

{
  "mx": [
    "10 mxb.mailgun.org.",
    "10 mxa.mailgun.org.",
    "0 rentalmix-com-br.mail.protection.outlook.com."
  ],
  "spf": [
    "v=spf1 include:spf.protection.outlook.com include:mailgun.org include:_spf.firebasemail.com -all"
  ]
}