C# Sending email with Gmail Account using System.Net.Mail in ASP.NET

Following is the tested code to send email from a asp.net application. This example may also work for any SMTP/email service like yahoo, hotmail etc. whereas Gmail account is used for the time being:

using System.Net.Mail;
 
namespace Experiement
{
	public partial class WebForm1 : System.Web.UI.Page
	{
		protected void Page_Load(object sender,System.EventArgs e)
		{
			MailMessage mailMessage = new MailMessage(new MailAddress("from@gmail.com") ,new MailAddress("to@yahoo.com"));
			mailMessage.Subject = "Sending mail through gmail account";
			mailMessage.IsBodyHtml = true;
			mailMessage.Body = "<B>Sending mail thorugh gmail from asp.net</B>";
 
			System.Net.NetworkCredential networkCredentials = new
			System.Net.NetworkCredential("yourgmailaddress@gmail.com", "yourpassword");
 
			SmtpClient smtpClient = new SmtpClient();
			smtpClient.EnableSsl = true;
			smtpClient.UseDefaultCredentials = false;
			smtpClient.Credentials = networkCredentials;
			smtpClient.Host = "smtp.gmail.com";
			smtpClient.Port = 587;
			smtpClient.Send(mailMessage);
 
			Response.Write("Mail Successfully sent");
 
		}
	}
}