jmail接收邮件

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1. private void ReciveByJmail()  
2.         {  
3.             /**/  
4.             ///建立收邮件对象      
5.             jmail.POP3Class popMail = new POP3Class();  
6.             /**/  
7.             ///建立邮件信息接口      
8.             jmail.Message mailMessage;  
9.   
10.             /**/  
11.             ///建立附件集接口      
12.             jmail.Attachments atts;  
13.   
14.             /**/  
15.             ///建立附件接口      
16.             jmail.Attachment att;  
17.   
18.             try  
19.             {  
20.                 //popMail.Connect(TxtPopUser.Text.Trim(), TxtPopPwd.Text.Trim(), TxtPopServer.Text.Trim(), Convert.ToInt32(TxtPopPort.Text.Trim()));  
21.                 popMail.Connect("邮箱名", "密码", "邮件服务器", 端口);  
22.                 /**/  
23.                 ///如果收到邮件      
24.                 if (0 < popMail.Count)  
25.                 {  
26.                     /**/  
27.                     ///根据取到的邮件数量依次取得每封邮件     
28.                     for (int i = 1; i <= popMail.Count; i++)  
29.                     {  
30.                         /**/  
31.                         ///取得一条邮件信息     
32.                         mailMessage = popMail.Messages[i];  
33.   
34.                         /**/  
35.                         ///取得该邮件的附件集合     
36.                         atts = mailMessage.Attachments;  
37.   
38.                      //   mailMessage.Logging = true;//启用邮件日志  
39.                      //   mailMessage.ContentType = "text/html";//邮件的格式为HTML格式  
40.                     //    mailMessage.Silent = true; //屏蔽例外错误，返回FALSE跟TRUE两值  
41.                           
42.                         /**/  
43.                         ///是否将信头编码成iso-8859-1字符集   
44.                         mailMessage.ISOEncodeHeaders = true;  
45.                         /**/  
46.                         ///设置邮件的编码方式                               
47.                         mailMessage.Charset = "UTF-8";  
48.                        // mailMessage.Charset = "GB2312";  
49.   
50.                         /**/  
51.                         ///设置邮件的附件编码方式                              
52.                         mailMessage.Encoding = "Base64";  
53.                        // mailMessage.ContentTransferEncoding = "base64";  
54.                         /**/  
55.                         ///邮件的优先级                          
56.                         //txtpriority.Text = mailMessage.Priority.ToString();  
57.   
58.                         /**/  
59.                         ///邮件的发送人的信箱地址                           
60.                         txtSendMail.Text = mailMessage.From;  
61.   
62.                         /**/  
63.                         ///邮件的发送人                          
64.                         //txtSender.Text = mailMessage.FromName;  
65.                         string formname = mailMessage.Headers.GetHeader("From");  
66.                         txtSender.Text = DecodeStr(formname);  
67.   
68.                         /**/  
69.                         ///邮件主题                        
70.                         ///   
71.                         //mailMessage.Headers.GetHeader("Subject");  
72.                         string title1 = mailMessage.Headers.GetHeader("Subject");  
73.                         txtSubject.Text = DecodeStr(title1);  
74.   
75.   
76.                         /**/  
77.                         ///邮件内容                        
78.                         txtBody.Text = mailMessage.Body;  
79.   
80.                         /**/  
81.                         ///邮件大小                             
82.                         txtSize.Text = mailMessage.Size.ToString();  
83.   
84.                         for (int j = 0; j < atts.Count; j++)  
85.                         {  
86.                             /**/  
87.                             ///取得附件     
88.                             att = atts[j];  
89.   
90.                             /**/  
91.                             ///附件名称                                   
92.                             string attname = att.Name;  
93.   
94.                             /**/  
95.                             ///上传到服务器     
96.                             att.SaveToFile("e://attFile//" + attname);  
97.   
98.                         }  
99.   
100.                     }  
101.                     //panMailInfo.Visible = true;  
102.                     att = null;  
103.                     atts = null;  
104.                 }  
105.                 else  
106.                 {  
107.                     Response.Write("没有新邮件!");  
108.                 }  
109.   
110.                 // popMail.DeleteMessages();  
111.                 popMail.Disconnect();  
112.                 popMail = null;  
113.             }  
114.             catch(Exception e)  
115.             {  
116.                 //Response.Write("Warning!请检查邮件服务器的设置是否正确！");  
117.                 Response.Write(e.ToString());  
118.             }  

解决使用JMail接收邮件时的标题乱码

    #region UTF-8转ISO

        public string DecodeStr(string str)
        {
            string result = "";
            if (str != "" || str != null)
            {
                if (str.ToUpper().Contains("UTF-8"))
                {
                    String[] array = str.Split('?');
                    if (array.Length > 2)
                    {
                        string title = array[3];
                        byte[] bytes = Convert.FromBase64CharArray(title.ToCharArray(), 0, title.ToCharArray().Length);
                        Encoding en = Encoding.GetEncoding("utf-8");
                        result = en.GetString(bytes);
                    }

                }
            }
            return result;
        }
        #endregion