C#邮件发送

 public static void CreateCopyMessage() {
     MailAddress from = new MailAddress("yang@163.com");
     MailAddress to = new MailAddress("3@qq.com");
     MailMessage message = new MailMessage(from, to);
     //邮件内容";
     message.Subject = "主题";
     message.Body = "内容";

     message.CC.Add("1@qq.com");//添加抄送
     SmtpClient client = new SmtpClient("smtp.163.com");

     // Include credentials if the server requires them.
     client.Credentials = new NetworkCredential("邮箱帐号", "密码");
     Console.WriteLine("Sending an e-mail message to {0} at {1} by using the SMTP host={2}.",
         to.User, to.Host, client.Host);

     try {
         client.Send(message);
     }
     catch (Exception ex) {
         Console.WriteLine("Exception caught in CreateCopyMessage(): {0}",
                     ex.ToString());
     }
 }