C# 发送MAIL

using System;

using System.Collections.Generic;

using System.Text;

using System.Net.Mail;

using System.Diagnostics;

 

namespace MailTest

{

     class Program

     {

         static void Main(string[] args)

         {

              Encoding encoding = Encoding.GetEncoding("GB2312");

 

              MailAddress from = new MailAddress("youmailname@163.com", "19850101", encoding);

              MailAddress to = new MailAddress("youmailname@163.com");

              MailMessage mail = new MailMessage(from, to);

              mail.Subject = "test";

              mail.Body = "hello world";

              mail.SubjectEncoding = encoding;

              mail.BodyEncoding = encoding;

 

              SmtpClient smtp = new SmtpClient("smtp.163.com");

              smtp.DeliveryMethod = SmtpDeliveryMethod.Network;

              smtp.UseDefaultCredentials = true;

            smtp.Credentials = new System.Net.NetworkCredential("rjgcwwdz@163.com", "19850101");

 

              smtp.Send(mail);

         }

     }

}