[
  {
    "host": "smtp.gmail.com",
    "port": 587,
    "secure": false,
    "user": "your-email@gmail.com",
    "pass": "your-app-password"
  },
  {
    "host": "smtp-mail.outlook.com",
    "port": 587,
    "secure": false,
    "user": "your-email@outlook.com",
    "pass": "your-password"
  },
  {
    "host": "smtp.sendgrid.net",
    "port": 587,
    "secure": false,
    "user": "apikey",
    "pass": "your-sendgrid-api-key"
  }
] 