发送电子邮件 程序窗口无响应了 如何解决呢？

Question

using System.Net.Mail;
        private void btnSend_Click(object sender, EventArgs e)
        {
            MailMessage mail = new MailMessage();            mail.From = new MailAddress("[email protected]", "user", Encoding.UTF8);
            mail.To.Add("[email protected]");            mail.Subject = "测试邮件";
            mail.SubjectEncoding = Encoding.UTF8;
            mail.Body = "这是邮件内容";
            mail.BodyEncoding = Encoding.UTF8;
            mail.IsBodyHtml = false;
            mail.Priority = MailPriority.High;            //SMTP
            SmtpClient client = new SmtpClient("smtp.gmail.com", 465);
            client.EnableSsl = true;
            client.Credentials = new System.Net.NetworkCredential("[email protected]", "password");            //object userState = mail;            try
            {
                client.Send(mail);
                MessageBox.Show("发送成功");
            }
            catch (SmtpException ex)
            {
                Console.WriteLine("错误提示: " + ex.Message);
            }
        }

Answer 1

some mail server don't supported smtp or pop3

Answer 2

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