public IActionResult Registration(RegistrationRequest model)
        {
            RegistrationResponse resp = _AccountManagementService.Registration(model);

            if (resp.email_address == null)
            {
                return(Ok());
            }
            else
            {
                System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage();
                mail.To.Add(resp.email_address);
                mail.From            = new MailAddress(email.email_username, email.email_name, System.Text.Encoding.UTF8);
                mail.Subject         = "This mail is send from asp.net application";
                mail.SubjectEncoding = System.Text.Encoding.UTF8;
                mail.Body            = "<a href='" + url.name + "/login/" + resp.id + "' > button </a>";
                mail.BodyEncoding    = System.Text.Encoding.UTF8;
                mail.IsBodyHtml      = true;
                mail.Priority        = MailPriority.High;
                SmtpClient client = new SmtpClient();
                client.Credentials = new System.Net.NetworkCredential(email.email_username, email.email_password);
                client.Port        = email.port;
                client.Host        = email.host;

                client.EnableSsl = true;
                try
                {
                    client.Send(mail);
                    //Page.RegisterStartupScript("UserMsg", "<script>alert('Successfully Send...');if(alert){ window.location='SendMail.aspx';}</script>");
                }
                catch (Exception ex)
                {
                    Exception ex2          = ex;
                    string    errorMessage = string.Empty;
                    while (ex2 != null)
                    {
                        errorMessage += ex2.ToString();
                        ex2           = ex2.InnerException;
                    }
                    //Page.RegisterStartupScript("UserMsg", "<script>alert('Sending Failed...');if(alert){ window.location='SendMail.aspx';}</script>");
                }
            }

            return(Ok());
        }