For Solve My Small Error

Question

Hello I am Bhautik,

 

I am getting Error at smtp.Send(mm) so Please give me solution.

 

using (MailMessage mm = new MailMessage(txtemail.Text,"[email protected]"))

{

mm.Subject = "Your Details";

mm.Body = " Thanks for Visiting;

mm.IsBodyHtml = false;

SmtpClient smtp = new SmtpClient();

smtp.Host = "smtp.gmail.com";

smtp.EnableSsl = true;

NetworkCredential NetworkCred = new NetworkCredential("[email protected]", "abc");

smtp.UseDefaultCredentials = true;

smtp.Credentials = NetworkCred;

smtp.Port = 587;

smtp.Send(mm);

ClientScript.RegisterStartupScript(GetType(), "alert", "alert('Email sent.');", true);

}