QQ邮箱发邮件

public static void SendEmail()
      {



          System.Net.Mail.SmtpClient client = new System.Net.Mail.SmtpClient();
          //这里使用QQ的邮箱来发送测试，如果是其它邮箱，请根据其它邮箱POP3/IMAP/SMTP服务来设置

           client.Host = "smtp.qq.com";
       //   client.Host = "smtp.163.com";
          client.UseDefaultCredentials = false;
          client.Credentials = new System.Net.NetworkCredential("你的邮箱", "你的邮箱密码");
          client.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
          System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage("你的邮箱", "对方的邮箱");
          message.Subject = "主题";
          message.Body = "内容";
          message.BodyEncoding = System.Text.Encoding.UTF8;
          message.IsBodyHtml = true;
          //添加附件
          Attachment data = new Attachment(@"附件路径", System.Net.Mime.MediaTypeNames.Application.Octet);
          message.Attachments.Add(data);

          try
          {
              client.Send(message);

          }
          catch
          {

              throw;
          }
      }