File list (Check if you may need any files):
MailSystemClient\checkUser.php
................\deleMail.php
................\firstIn.html
................\handlePop3.php
................\handleSmtp.php
................\image\105.gif
................\.....\BCG_027.GIF
................\.....\BCG_061.GIF
................\.....\lin.gif
................\.....\Thumbs.db
................\.....\xiantiao.gif
................\index.php
................\login.php
................\mailHandle.php
................\mailList.php
................\mailView.php
................\menu.php
................\recycleBoxList.php
................\recycleBoxView.php
................\register.php
................\SaveMail.php
................\saveUser.php
................\sendBoxList.php
................\sendBoxView.php
................\sendMail.php
................\writeMail.php
..........Server\popserver.cpp
................\popserver.exe
................\smtpserver.cpp
................\smtpserver.exe
................\user.dat
..........Client\image
MailSystemClient
MailSystemServer