using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;

//?添加命名空間
using?System.Net;
using?System.Net.Mail;
using?System.Net.Mime;
using?System.Net.Sockets;
using?System.IO;
using?jmail;
using?System.Net.Security;

namespace?MailSendAndReceive
{
????public?partial?class?mainfrm?:?Form
????{
????????//?定義郵件發送類
????????private?SmtpClient?smtpClient;
????????private?TcpClient?tcpClient;
????????private?NetworkStream?networkStream;
????????private?StreamReader?streamReader;
????????private?StreamWriter?streamWriter;

????????//?定義接收郵件對象
????????private?POP3Class?popClient=new?POP3Class（）;
????????
????????//?定義郵件信息接口
????????private?jmail.Message?messageMail;
????????SmtpClient?client?=?new?SmtpClient（）;
????????public?mainfrm（）
????????{
????????????InitializeComponent（）;

????????????//?初始化界面
????????????tbxUserMail.Text?=?“m15177308705@163.com“;
????????????//txbPassword.Text?=?“txipvutifrzaeacj“;
????????????txbPassword.Text?=?“13878457498“;
????????????tbxSmtpServer.Text?=?“smtp.163.com“;
????????????tbxPOP3Server.Text?=?“pop.163.com“;
????????????//?這里收件人地址是網易郵箱，你可以根據自己情況選擇發送到自己的郵箱中
????????????txbSendTo.Text?=?“m15177308705@163.com“;
????????????txbSubject.Text?=?“測試郵件“;
????????????richtbxBody.Text?=?“這是一封測試郵件，由系統自動發出，無須回復“;

????????????//?界面控件控制
????????????btnLogout.Enabled?=?false;
????????????btnReplyCurrentMail.Enabled?=?false;
????????????tabControlMyMailbox.Enabled?=?false;
????????}

????????//?郵件發送功能代碼
????????//?發送郵件
????????private?void?btnSend_Click（object?sender?EventArgs?e）
????????{
????????????this.Cursor?=?Cursors.WaitCursor;
????????????//?實例化一個發送的郵件
????????????//?相當于與現實生活中先寫信，程序中把信（郵件）抽象為郵件類了
????????????MailMessage?mailMessage?=?new?MailMessage（）;
????????????//?指明郵件發送的地址，主題，內容等信息
????????????//?發信人的地址為登錄收發器的地址，這個收發器相當于我們平時Web版的郵箱或者是OutLook中配置的郵箱
????????????mailMessage.From?=?new?MailAddress（tbxUserMail.Text）;
????????????mailMessage.To.Add（txbSendTo.Text）;
????????????mailMessage.Subject?=?txbSubject.Text;
????????????mailMessage.SubjectEncoding?=?Encoding.Default;
????????????mailMessage.Body?=?richtbxBody.Text;
????????????mailMessage.BodyEncoding?=?Encoding.Default;
????????????//?設置郵件正文不是Html格式的內容
????????????mailMessage.IsBodyHtml?=?false;
????????????//?設置郵件的優先級為普通優先級
????????????mailMessage.Priority?=?MailPriority.Normal;

????????????//?發送寫好的郵件
????????????try
????????????{
????????????????//?SmtpClient類用于將郵件發送到SMTP服務器
????????????????//?該類封裝了SMTP協議的實現，
????????????????//?通過該類可以簡化發送郵件的過程，只需要調用該類的Send方法就可以發送郵件到SMTP服務器了。
????????????????smtpClient.Send（mailMessage）;
????????????????MessageBox.Show（“郵件發送成功！“?“提示“?MessageBoxButtons.OK?MessageBoxIcon.Information）;

????????????}
????????????catch（SmtpException?smtpError）
????????????{
????????????????MessageBox.Show（“郵件發送失敗：[“?+?smtpError.StatusCode

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????361984??2003-05-14?15:52??簡單電子郵件客戶端的設計與實現\jmail.dll

?????文件????1606882??2003-05-16?11:05??簡單電子郵件客戶端的設計與實現\Jmail破解版組件\JMail44_pro.exe

?????文件????1500011??2012-09-24?22:29??簡單電子郵件客戶端的設計與實現\Jmail破解版組件\w3Jmail44PRO.rar

?????文件??????35328??2018-03-06?21:52??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\bin\Debug\Interop.jmail.dll

?????文件??????23552??2018-04-27?23:03??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\bin\Debug\MailSendAndReceive.exe

?????文件??????46592??2018-04-27?23:03??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\bin\Debug\MailSendAndReceive.pdb

?????文件??????22984??2018-04-27?23:20??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\bin\Debug\MailSendAndReceive.vshost.exe

?????文件????????490??2012-06-06?02:06??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\bin\Debug\MailSendAndReceive.vshost.exe.manifest

?????文件??????17042??2018-04-27?12:47??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\Form1.cs

?????文件??????25185??2018-04-14?15:35??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\Form1.Designer.cs

?????文件???????5817??2018-04-14?15:35??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\Form1.resx

?????文件???????4116??2012-09-23?16:57??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\MailSendAndReceive.csproj

?????文件???????5420??2012-09-22?19:09??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7316??2018-04-25?22:38??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件??????35328??2018-03-06?21:52??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\Interop.jmail.dll

?????文件???????4485??2018-04-27?23:20??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\MailSendAndReceive.csproj.FileListAbsolute.txt

?????文件????????975??2018-04-14?15:35??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\MailSendAndReceive.csproj.GenerateResource.Cache

?????文件????????758??2018-03-06?21:52??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\MailSendAndReceive.csproj.ResolveComReference.cache

?????文件???????9174??2018-03-06?21:48??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\MailSendAndReceive.csprojResolveAssemblyReference.cache

?????文件??????23552??2018-04-27?23:03??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\MailSendAndReceive.exe

?????文件????????180??2018-04-14?15:35??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\MailSendAndReceive.mainfrm.resources

?????文件??????46592??2018-04-27?23:03??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\MailSendAndReceive.pdb

?????文件????????180??2018-03-06?21:52??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\obj\x86\Debug\MailSendAndReceive.Properties.Resources.resources

?????文件????????501??2012-09-21?22:13??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\Program.cs

?????文件???????1386??2012-09-21?22:11??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\Properties\AssemblyInfo.cs

?????文件???????2888??2012-09-21?22:11??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\Properties\Resources.Designer.cs

?????文件???????5612??2012-09-21?22:11??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\Properties\Resources.resx

?????文件???????1105??2012-09-21?22:11??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\Properties\Settings.Designer.cs

?????文件????????249??2012-09-21?22:11??簡單電子郵件客戶端的設計與實現\MailSendAndReceive\Properties\Settings.settings

?????文件????????896??2012-09-21?22:11??簡單電子郵件客戶端的設計與實現\MailSendAndReceive.sln

............此處省略18個文件信息