appsettings.json

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*",
  "Smtp": {
    "Url": "smtp.mailtrap.io",
    "Port": "465",
    "Login": "CHANGE_THIS",
    "Password": "CHANGE_THIS",
    "From": "no-reply@mailer.com",
    "FromName": "Mailer API"
  }
}