void FillSettings()
        {
            dbHelper helper = new dbHelper();
            var EmailSendInterval = helper.GetSettingFromKey("EmailSendInterval", "10");
            var EmailForBulk = helper.GetSettingFromKey("EmailForBulk", "50");
            var SMTPUserName = helper.GetSettingFromKey("SMTPUserName", "");
            var SMTPPassword = helper.GetSettingFromKey("SMTPPassword", "");
            var SMTPHostName = helper.GetSettingFromKey("SMTPHostName", "");
            var SMTPHostPort = helper.GetSettingFromKey("SMTPHostPort", "");
            var EnableSSL = helper.GetSettingFromKey("EnableSSL", "true");
            var LastRunTime = helper.GetSettingFromKey("LastRunTime", "");
            var ReTryTime = helper.GetSettingFromKey("ReTryTime", "5");
            var UseDefaultCredentials = helper.GetSettingFromKey("UseDefaultCredentials", "false");
            var ThreadCount = helper.GetSettingFromKey("ThreadCount", "1");
            if (ReTryTime != "" && EmailSendInterval != "" && EmailForBulk != "" && SMTPUserName != "" && SMTPPassword != "" && SMTPHostName != ""
                && SMTPHostPort != "" && EnableSSL != "" && UseDefaultCredentials != "" && ThreadCount != "")
            {
                settings = new Dictionary<string, string>();
                settings.Add("EmailSendInterval", EmailSendInterval);
                settings.Add("EmailForBulk", EmailForBulk);
                settings.Add("SMTPUserName", SMTPUserName);
                settings.Add("SMTPPassword", SMTPPassword);
                settings.Add("SMTPHostName", SMTPHostName);
                settings.Add("SMTPHostPort", SMTPHostPort);
                settings.Add("EnableSSL", EnableSSL);
                settings.Add("LastRunTime", LastRunTime);
                settings.Add("ReTryTime", ReTryTime);
                settings.Add("ThreadCount", ThreadCount);
                settings.Add("UseDefaultCredentials", UseDefaultCredentials);

            }
            else { logHelper.LogException(new Exception("Settings are invalid"), main_path); }
        }