Send Email using Gmail - asp.net C#

 MailMessage mail = new MailMessage();
        mail.To.Add("syam229280@gmail.com");
        mail.To.Add("deepu04852@gmail.com");
        mail.From = new MailAddress("syam229280@gmail.com");
        mail.Subject = "Email using Gmail";

        string Body = "Hi, this mail is to test sending mail" +
                      "using Gmail in ASP.NET";
        mail.Body = Body;

        mail.IsBodyHtml = true;
        SmtpClient smtp = new SmtpClient();
        smtp.Host = "smtp.gmail.com";
        smtp.Credentials = new System.Net.NetworkCredential
             ("syam229280@gmail.com", "password");

        smtp.EnableSsl = true;
        smtp.Send(mail);