public void SendEmail()
        {
            MailMessage msg = new MailMessage();

            msg.To.Add("[email protected]");//收件人地址
            msg.CC.Add("[email protected]");//抄送人地址

            msg.From = new MailAddress("
 
[email protected]", "Edward");//發件人郵箱，名稱

            msg.Subject = "This is a test email from QQ";//郵件標題
            msg.SubjectEncoding = Encoding.UTF8;//標題格式為UTF8

            msg.Body = "this is body";//郵件內容
            msg.BodyEncoding = Encoding.UTF8;//內容格式為UTF8

            SmtpClient client = new SmtpClient();

            client.Host = "smtp.qq.com";//SMTP伺服器地址
            client.Port = 587;//SMTP埠，QQ郵箱填寫587

            client.EnableSsl = true;//啟用SSL加密

            client.Credentials = new NetworkCredential("
 
[email protected]", "password");//發件人郵箱賬號，密碼

            client.Send(msg);//傳送郵件

        }