ASP.NET sample send mail code

Using System.Net.Mail;

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MailMessage mailMessage = new MailMessage();

mailMessage.From = new MailAddress("noreply@yourdomain.com");

mailMessage.To.Add(new MailAddress(txtEmail.Text));

string emailBody = "Test Asp.net Send Mail";

mailMessage.IsBodyHtml = true;

mailMessage.Subject = "Asp.Net Send mail";

mailMessage.Body = emailBody;

SmtpClient smtpClient = new SmtpClient();

smtpClient.Send(mailMessage);

lblInfo.Text = "Email has been sent";