{
    "smtpInfo": {
        "enableSSL": ,
        "smtpServer": "",
        "smtpPort": ,
        "useAuthentication": ,
        "maxMailServerSize": ,
        "userInfo": {
            "password": "",
            "userName": ""
        },
        "senderInfo": {
            "senderName": "",
            "senderAddress": ""
        }
    }
}