IMAP邮件接收

最新推荐文章于 2025-06-24 03:07:13 发布

原创最新推荐文章于 2025-06-24 03:07:13 发布 · 6.3k 阅读

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CC 4.0 BY-SA版权

文章标签：

#c# #邮件 #IMAP邮件接收

本文介绍了一个使用IMAP协议的邮件客户端实现方案，包括连接服务器、获取邮件信息、解析邮件内容等功能。通过具体的代码示例展示了如何利用IMAP协议进行邮件的接收与处理。

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public void ImapGetEmailInfo()
        {
            richEmailsInfo.Clear();
            string annex = "";
            ReceiveDecode rd = new ReceiveDecode();
            foreach (var item in lists)
            {
                richEmailsInfo.AppendText("======================邮件内容======================\n");
                richEmailsInfo.AppendText("当前第：" + count++ + "封信");
                richEmailsInfo.AppendText("发件人: " + item.From + "\n");
                richEmailsInfo.AppendText("时间: " + item.Date + "\n");
                richEmailsInfo.AppendText("收件人: " + item.To + "\n");
                richEmailsInfo.AppendText("抄送人: " + item.Cc + "\n");
                richEmailsInfo.AppendText("邮件大小: " + item.MessageContext + "\n");
                richEmailsInfo.AppendText("主题: " + item.Subject + "\n");
                richEmailsInfo.AppendText("邮件内容：\n" + rd.ParseEmailText(item.Body.Entity.ToString()) + "\n");
                for (int i = 0; i < item.Attachments.Length; i++)
                    annex += item.Attachments[i].ContentType.Param_Name.ToString();
                richEmailsInfo.AppendText("附件内容: " + annex + "\n");
                richEmailsInfo.AppendText("\n====================邮件接收完成====================\n\n"); ;
            }
        }
        public void GetMails()
        {
            IMAP_Client IMAPServer = new IMAP_Client();
            try
            {
                //连接邮件服务器通过传入邮件服务器地址和用于IMAP协议的端口号
                IMAPServer.Connect(@"mail.sohu.net", 993, true);
                //登陆邮箱,前者帐号后者密码
                IMAPServer.Login("账号", @"密码");
                IMAP_r_u_List[] l = IMAPServer.GetFolders(null);//调试后你会看到l的值
                foreach (var item in l)
                {
                    IMAPServer.SelectFolder(item.FolderName.ToString());
                    //IMAPServer.SelectFolder("垃圾箱");
                    //取出收件箱
                    if (item.FolderName == "INBOX" || item.FolderName == "垃圾邮件")//item.FolderName == "Junk")
                    {
                        var folder = IMAPServer.SelectedFolder;
                        //收件箱邮件总数
                        folder.MessagesCount.ToString();
                        //收件箱未读邮件总数
                        folder.RecentMessagesCount.ToString();

                        string str = folder.Name.ToString();
                        var seqSet = LumiSoft.Net.IMAP.IMAP_t_SeqSet.Parse("1:*");
                        var imap_t_Fetch_i = new IMAP_t_Fetch_i[]{
                        new IMAP_t_Fetch_i_Envelope(),
                        new IMAP_t_Fetch_i_Flags(),//
                        new IMAP_t_Fetch_i_InternalDate(),//
                        new IMAP_t_Fetch_i_Rfc822(),//
                        new IMAP_t_Fetch_i_Uid()//
                        };
                        EventHandler<LumiSoft.Net.EventArgs> lumisoftHandler = new EventHandler<LumiSoft.Net.EventArgs>(Fetchcallback);
                        IMAPServer.Fetch(false, seqSet, imap_t_Fetch_i, lumisoftHandler);
                    }
                }
            }
            catch (Exception)
            {

                throw;
            }
            finally
            {
                IMAPServer.Disconnect();
                
            }
        }
        
        public static void Fetchcallback(object sender, LumiSoft.Net.EventArgs eventArgs)
        {
            //把传入参数重新封装，用于取出邮件的相关信息
            IMAP_r_u_Fetch x = eventArgs.Value as IMAP_r_u_Fetch;
            string subject = x.Envelope.Subject;
            //var st = y.Value.Rfc822.Stream;
            var st = x.Rfc822.Stream;
            st.Position = 0;
            LumiSoft.Net.Mail.Mail_Message mime = LumiSoft.Net.Mail.Mail_Message.ParseFromStream(st);
            lists.Add(mime);
        }