public int AddUpdateSettings(List <KeyValue> settings)
        {
            MailSettingController settingController = new MailSettingController();
            int length = settings.Count;

            for (int i = 0; i < length; i++)
            {
                if (settings[i].Key == MailSettingKey.MandrilAPIKey)
                {
                    int strLen = settings[i].Value.Length;
                    if (strLen > 0)
                    {
                        settings[i].Value = settings[i].Value.Substring(0, strLen - 2);
                    }
                    break;
                }
            }
            settingController.AddUpdateSetting(settings, GetUsername);
            return(1);
        }
        public async Task <IList <MassMailSettingInfo> > GetAllSettings()
        {
            MailSettingController settingController = new MailSettingController();

            return(await settingController.GetAllSettings());
        }