using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Text.Regularexpressions;
using?System.Net;
using?System.Net.Sockets;
using?System.Net.Mail;
using?System.IO;
using?System.Windows.Forms;
using?System.Data.OleDb;

using?System.Security.Cryptography;
using?System.IO;
using?System.Diagnostics;?








namespace?SMTPPOP
{
????public?partial?class?Form1?:?Form
????{
????????private?TcpClient?tcpClient;
????????private?NetworkStream?networkStream;
????????private?StreamReader?sr;
????????private?StreamWriter?sw;
????????

????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????#region?郵件發送端
????????

????????private?void?tabPage_SMTP_Click（object?sender?EventArgs?e）
????????{

????????}
??????????????

????????private?void?textBox_smtp_yhm_TextChanged（object?sender?EventArgs?e）
????????{
????????????label_smtp_yhm.Visible?=?!Regex.IsMatch（textBox_smtp_yhm.Text?@“\w+（[-+.‘]\w+）*@\w+（[-.]\w+）*\.\w+（[-.]\w+）*$“）;
????????????
????????}

????????private?void?textBox_smtp_sjr_TextChanged（object?sender?EventArgs?e）
????????{
????????????label_smtp_sjr.Visible?=?!Regex.IsMatch（textBox_smtp_sjr.Text?@“\w+（[-+.‘]\w+）*@\w+（[-.]\w+）*\.\w+（[-.]\w+）*$“）;
????????}

????????private?void?textBox_smtp_mm_TextChanged（object?sender?EventArgs?e）
????????{
????????????label_smtp_mm.Visible?=?!Regex.IsMatch（textBox_smtp_mm.Text@“^\w{520}$“）;
????????}

????????private?void?textBox_smtp_zt_TextChanged（object?sender?EventArgs?e）
????????{
????????????label_smtp_zt.Visible?=?!Regex.IsMatch（textBox_smtp_zt.Text@“^.{1}$“）;

????????}

????????private?void?textBox_smtp_nr_TextChanged（object?sender?EventArgs?e）
????????{
????????????label_smtp_nr.Visible?=?!Regex.IsMatch（textBox_smtp_nr.Text?@“^.{1}$“）;
????????}

????????private?void?button_smtp_tjfj_Click（object?sender?EventArgs?e）
????????{
????????????OpenFileDialog?myodig?=?new?OpenFileDialog（）;
????????????myodig.CheckFileExists?=?true;
????????????myodig.CheckPathExists?=?true;
????????????myodig.Multiselect?=?true;
????????????myodig.ShowDialog（）;
????????????if?（myodig.FileNames.Length?>?0）
????????????{
????????????????listBox_smtp_fj.Items.AddRange（myodig.FileNames）;
????????????
????????????}


????????}

????????private?void?button_smtp_fs_Click（object?sender?EventArgs?e）
????????{
????????????String?invalidString?=?““;
????????????if?（label_smtp_yhm.Visible?==?true）?invalidString?+=?“用戶名、“;
????????????if?（label_smtp_mm.Visible?==?true）?invalidString?+=?“密碼、“;
????????????if?（label_smtp_sjr.Visible?==?true）?invalidString?+=?“收件人、“;
????????????if?（label_smtp_zt.Visible?==?true）?invalidString?+=?“主題、“;
????????????if?（label_smtp_nr.Visible?==?true）?invalidString?+=?“郵件內容、“;
????????????if?（invalidString.Length?>?0）
????????????{
????????????????MessageBox.Show（invalidString

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-11-05?23:13??SMTPPOPZZ\
?????目錄???????????0??2010-10-31?22:02??SMTPPOPZZ\SMTPPOP\
?????目錄???????????0??2010-10-30?07:55??SMTPPOPZZ\SMTPPOP\SMTPPOP\
?????目錄???????????0??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\
?????文件?????????910??2010-10-30?07:55??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP.sln
?????文件???????19968??2010-11-05?23:16??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP.suo
?????文件?????????395??2010-10-31?22:06??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\app.config
?????目錄???????????0??2010-10-31?22:06??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\bin\
?????目錄???????????0??2010-11-05?23:16??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\bin\Debug\
?????文件??????364544??2010-10-31?22:05??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\bin\Debug\friend.mdb
?????文件???????81920??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\bin\Debug\SMTPPOP.exe
?????文件?????????395??2010-10-31?22:06??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\bin\Debug\SMTPPOP.exe.config
?????文件??????112128??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\bin\Debug\SMTPPOP.pdb
?????文件????????5632??2005-11-11?22:25??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\bin\Debug\SMTPPOP.vshost.exe
?????文件?????????395??2010-10-31?22:06??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\bin\Debug\SMTPPOP.vshost.exe.config
?????文件???????22339??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\Form1.cs
?????文件???????57335??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\Form1.Designer.cs
?????文件????????6858??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\Form1.resx
?????文件??????364544??2010-10-31?22:05??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\friend.mdb
?????文件???????78762??2010-10-31?22:06??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\friendDataSet.Designer.cs
?????文件???????????3??2010-10-31?22:06??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\friendDataSet.xsc
?????文件???????17846??2010-10-31?22:06??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\friendDataSet.xsd
?????文件???????????3??2010-10-31?22:06??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\friendDataSet.xss
?????目錄???????????0??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\obj\
?????目錄???????????0??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\obj\Debug\
?????目錄???????????0??2010-10-30?08:11??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\obj\Debug\Refactor\
?????文件?????????898??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\obj\Debug\SMTPPOP.csproj.GenerateResource.Cache
?????文件???????81920??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\obj\Debug\SMTPPOP.exe
?????文件?????????180??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\obj\Debug\SMTPPOP.Form1.resources
?????文件??????112128??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\obj\Debug\SMTPPOP.pdb
?????文件????????5633??2010-11-05?23:15??SMTPPOPZZ\SMTPPOP\SMTPPOP\SMTPPOP\obj\Debug\SMTPPOP.Properties.Resources.resources
............此處省略15個文件信息