“The operations timed out” when using SmtpClient
I am trying to create a small app using C# framework to send email. However, it does not work. The app always gives me "The operations timed out." I do not why. Here is my code: private void button1_Click(object sender, EventArgs e) { MailAddress fromAddress = new MailAddress("from@gmail.com"); MailAddress toAddress = new MailAddress("to@gmail.com"); MailMessage mail = new MailMessage(fromAddress.Address, toAddress.Address); mail.Subject = "Testing"; mail.Body = "contents."; SmtpClient client = new SmtpClient(); client.Host = "smtp.gmail.com"; client.Port = 587; client.EnableSsl = true; client