C# - Send Email From Local Host Using Gmail Account?

Can we send email form local host using gmail smtp? I am trying and getting error The operation has timed out. I am trying to send email from local host from last 3 days. It works fine if I send emails from my hosting server using gmail but it is not working on localhost. I have disabled firewall anti virus but even then unlucky. have u ever used gmail for sending emails from localhost (without any server involved) If it is possible.

protected void btnConfirm_Click(object sender, EventArgs e)
{
MailMessage message = new MailMessage();
message.To.Add("me@hotmail.com");
message.From = new MailAddress("xxxxxx@gmail.com");
message.Subject = "New test mail";
message.Body = "Hello test message succeed";
message.IsBodyHtml = true;
message.BodyEncoding = System.Text.Encoding.ASCII;
message.Priority = System.Net.Mail.MailPriority.High;
SmtpClient smtp = new SmtpClient();
smtp.EnableSsl = true;
smtp.Port = 465;
smtp.UseDefaultCredentials = false;
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.Host = "smtp.gmail.com";
smtp.Credentials = new NetworkCredential("xxxxxx@gmail.com", "**mypassword**");
try
{
smtp.Send(message);
}
catch (Exception ex)
{
throw ex;
}
}