public ActionResult SendEmail()
        {
            SiteSMTP smtpSettings = _service.Find(ss => ss.SiteID == Site.ID).FirstOrDefault();
            string   returnMSG    = string.Empty;

            using (System.Net.Mail.SmtpClient smtpClient = new System.Net.Mail.SmtpClient())
            {
                smtpClient.EnableSsl             = smtpSettings.UseSSL;
                smtpClient.UseDefaultCredentials = (!string.IsNullOrEmpty(smtpSettings.SMTPUser) && !string.IsNullOrEmpty(smtpSettings.SMTPPassword));
                if (smtpClient.UseDefaultCredentials && !String.IsNullOrWhiteSpace(smtpSettings.SMTPUser))
                {
                    smtpClient.Credentials = new System.Net.NetworkCredential(smtpSettings.SMTPUser, smtpSettings.SMTPPassword);
                }
                System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage(CurrentUser.Email, CurrentUser.Email);

                string strAlias = (!string.IsNullOrEmpty(Site.Alias) ? Site.Alias : Site.CName);
                message.Subject = "Welcome to " + strAlias;

                StringBuilder sbHTML = new StringBuilder(WBHelper.GetTemplateText(Server.MapPath("/content/Templates/SMTPCheckMail.htm")));
                sbHTML.Replace("[SITEALIAS]", strAlias);
                sbHTML.Replace("[EMAIL]", CurrentUser.Email);
                message.Body = sbHTML.ToString();

                if (smtpSettings.SMTPHost != null)
                {
                    smtpClient.Host = smtpSettings.SMTPHost;
                }

                smtpClient.Port = smtpSettings.SMTPPort;

                smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;


                message.IsBodyHtml = true;

                try
                {
                    smtpClient.Send(message);
                    returnMSG = "Email Send Successfully.";
                }
                catch (Exception e)
                {
                    returnMSG = e.Message;
                }
            }
            return(Json(returnMSG));
        }