C#实现邮件的发送与接受(包括附件)

//private void Button1_Click(object sender, System.EventArgs e)
//            {
//                SendMailByJmail();
//            }
//           
//            /**//**//**//// <summary>
//            /// 利用Jmail发送邮件
//            /// </summary>
//            private void SendMailByJmail()
//            {
//                /**//**//**////建立发邮件类
//                jmail.MessageClass oJmailMessage = new jmail.MessageClass();
//               
//                /**//**//**//// 字符集
//                oJmailMessage.Charset = "GB2312";
//
//                /**//**//**////附件的编码格式
//                oJmailMessage.Encoding = "BASE64";
//                oJmailMessage.ContentType = "text/html";
//
//                /**//**//**////是否将信头编码成iso-8859-1字符集
//                oJmailMessage.ISOEncodeHeaders = false;
//
//                /**//**//**//// 优先级
//                oJmailMessage.Priority = Convert.ToByte(1);
//               
//            /**//**//**////发送人邮件地址
//                oJmailMessage.From = " gj7722064@163.com";
//               
//                /**//**//**////发送人姓名
//                oJmailMessage.FromName    = "gj";
//
//                /**//**//**//// 邮件主题
//                oJmailMessage.Subject    = "test_email";
//
//                /**//**//**////身份验证的用户名
//                oJmailMessage.MailServerUserName = "gj7722064";
//
//                /**//**//**////用户密码
//                oJmailMessage.MailServerPassWord = "密码";
//
//                /**//**//**////添加一个收件人,抄送人和密送人的添加和该方法是一样的,只是分别使用AddRecipientCC和RecipientBCC两个属性
//                ///要是需要添加多个收件人,则重复下面的语句即可。添加多个抄送和密送人的方法一样
//                oJmailMessage.AddRecipient(" gj7722064@163.com","","");
//            //   if("" != upFile.PostedFile.FileName)
//            //    {
//            //        string attpath = upFile.PostedFile.FileName;
//            //        oJmailMessage.AddAttachment(@attpath,true,attpath.Substring(attpath.LastIndexOf(".")+1,3));//添加附件
//            //    }
//
//                /**//**//**////邮件内容
//                oJmailMessage.Body = "11111";
//
//                if(oJmailMessage.Send("smtp.163.com",false))
//                {
//                    Response.Write("发送成功!");
//                }
//                else
//                {
//                    Response.Write("发送失败,请检查邮件服务器的设置!");
//                }
//                oJmailMessage = null;
//            }
//
//        private void Button2_Click(object sender, System.EventArgs e)
//        {
//             ReciveByJmail();
//       
//        }
//        private void ReciveByJmail()
//        {   
//            /**//**//**////建立收邮件对象
//            jmail.POP3Class popMail = new jmail.POP3Class();
//           
//            /**//**//**////建立邮件信息接口
//            jmail.Message mailMessage;
//       
//            /**//**//**////建立附件集接口
//            jmail.Attachments atts;
//       
//            /**//**//**////建立附件接口
//            jmail.Attachment att;
//       
////            try
////            {
//               
//                popMail.Connect("gj7722064","密码","pop3.163.com",110);
//                   
//              
//            /**//**//**////如果收到邮件
//                if(0 < popMail.Count)                                                                         
//                {   
//                    /**//**//**////根据取到的邮件数量依次取得每封邮件
////                    for(int i=1;i <= popMail.Count;i++)                                                      
////                {
//                       /**//**//**////取得一条邮件信息
//                       mailMessage = popMail.Messages[1];                                                       
//       
//                      /**//**//**////取得该邮件的附件集合
//                       atts = mailMessage.Attachments;
//                          
//                       /**//**//**////设置邮件的编码方式                         
//                       mailMessage.Charset = "GB2312";
//                      
//                    /**//**//**////设置邮件的附件编码方式                        
//                        mailMessage.Encoding = "Base64";
//                       
//                       /**//**//**////是否将信头编码成iso-8859-1字符集                       
//                       mailMessage.ISOEncodeHeaders = false;
//                      
//                       /**//**//**////邮件的优先级                    
//                       txtpriority.Text = mailMessage.Priority.ToString();
//                      
//                        /**//**//**////邮件的发送人的信箱地址                     
//                       txtSendMail.Text = mailMessage.From;
//                      
//                       /**//**//**////邮件的发送人                    
//                        txtSender.Text = mailMessage.FromName;
//                       
//                       /**//**//**////邮件主题                  
//                        txtSubject.Text = mailMessage.Subject;
//                       
//                       /**//**//**////邮件内容                  
//                        txtBody.Text = mailMessage.Body;
//                      
//                        /**//**//**////邮件大小                       
//                        txtSize.Text = mailMessage.Size.ToString();                                                         
//                      
////                       for(int j=0;j<atts.Count;j++)
////                       {
//                           /**//**//**////取得附件
////                            att = atts[1]; 
////                          
////                           /**////附件名称                             
////                           string attname = att.Name;                                                           
////                           
////                            /**////上传到服务器
////                           att.SaveToFile("e://attFile//"+attname);                                            
//                          
////                        }
//                      
////                   }
////                    panMailInfo.Visible = true;
//                    att = null;
//                    atts = null;
//                }
//                else
//                {
//                    Response.Write("没有新邮件!");
//                }
//       
//                popMail.DeleteMessages();
//                popMail.Disconnect();
//                popMail = null;
//            }
////            catch
////            {
////                Response.Write("Warning!请检查邮件服务器的设置是否正确!");
////            }
////        }
//
//        }
//    }
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