guest.php代码如下：

/**

*

* 留言板

*

* @version        $Id: guestbook.php 1 10:09 2010-11-10 tianya $

* @package        DedeCMS.Site

* @copyright      Copyright (c) 2007 - 2010, DesDev, Inc.

* @license        http://help.dedecms.com/usersguide/license.html

* @link           http://www.dedecms.com

*/

require_once(dirname(__FILE__).'/guestbook/guestbook.inc.php');

require_once(DEDEINC.'/datalistcp.class.php');

if(empty($action)) $action = '';

//修改留言

if($action=='admin')

{

include_once(dirname(__FILE__).'/guestbook/edit.inc.php');

exit();

}

//保存留言

else if($action=='save')

{

if(!empty($_COOKIE['GUEST_BOOK_POS'])) $GUEST_BOOK_POS = $_COOKIE['GUEST_BOOK_POS'];

else $GUEST_BOOK_POS = 'guestbook.php';

if(empty($validate)) $validate=='';

else $validate = strtolower($validate);

$svali = GetCkVdValue();

if($validate=='' || $validate!=$svali)

{

ShowMsg("Security Code is Incorrect!","-1");

exit();

}

$ip = GetIP();

$dtime = time();

$uname = trimMsg($uname);

$email = trimMsg($email);

$homepage = trimMsg($homepage);

$homepage = preg_replace("#http:\/\/#", '', $homepage);

$qq = trimMsg($qq);

$msg = trimMsg(cn_substrR($msg, 1024), 1);

$tid = empty($tid) ? 0 : intval($tid);

$reid = empty($reid) ? 0 : intval($reid);

if($msg=='' || $uname=='') {

showMsg('Your name and message can not be empty!','-1');

exit();

}

if($email=='') {

showMsg('Your Email can not be empty!','-1');

exit();

}

$title = HtmlReplace( cn_substrR($title,60), 1 );

if($title=='') $title = 'No Subject';

if($reid != 0)

{

$row = $dsql->GetOne("SELECT msg FROM `#@__guestbook` WHERE id='$reid' ");

$msg = "

\n".$msg;

}

$query = "INSERT INTO `#@__guestbook`(title,tid,mid,uname,email,homepage,qq,face,msg,ip,dtime,ischeck)

VALUES ('$title','$tid','{$g_mid}','$uname','$email','$homepage','$qq','$img','$msg','$ip','$dtime','$needCheck'); ";

$dsql->ExecuteNoneQuery($query);

$gid = $dsql->GetLastID();

if($needCheck==1)

{

require_once(DEDEINC."/oxwindow.class.php");

$mailbody = '';

$mailtitle = "您的网站上有新留言";

$mailbody .= "留言者：$uname \r\n";

$mailbody .= "标题：$title \r\n";

$mailbody .= "内容：$msg \r\n";

$mailbody .= "E-mail：$email \r\n";

$mailbody .= "Powered by http://www.g4ledonline.com";

$headers = "From: ".$cfg_adminemail."\r\nReply-To: ".$cfg_adminemail;

$email='jakexiao82@163.com';//改为要接收邮件的邮箱

if($cfg_sendmail_bysmtp == 'Y' && !empty($cfg_smtp_server))

{

$mailtype = 'TXT';

require_once(DEDEINC.'/mail.class.php');

$smtp = new smtp($cfg_smtp_server,$cfg_smtp_port,true,$cfg_smtp_usermail,$cfg_smtp_password);

$smtp->debug = false;

$smtp->sendmail($email,$cfg_webname,$cfg_smtp_usermail, $mailtitle, $mailbody, $mailtype);

}

else

{

@mail($email, $mailtitle, $mailbody, $headers);

}

$msg = "

Successfully send or reply to a message!   Click here to return!>>";

$wintitle = "留言发布成功提示";

$wecome_info = "留言发布成功：";

$win = new OxWindow();

$win->Init("","js/blank.js","post");

$win->AddTitle("提示：");

$win->AddMsgItem("

");

$winform = $win->GetWindow("hand");

$win->Display();

}

else {

$mailbody = '';

$mailtitle = "您的网站上有新留言";

$mailbody .= "留言标题：$title \r\n\r\n";

$mailbody .= "Powered by http://www.g4ledonline.com";

$headers = "From: ".$cfg_adminemail."\r\nReply-To: ".$cfg_adminemail;

$email=$cfg_toemail;

if($cfg_sendmail_bysmtp == 'Y' && !empty($cfg_smtp_server))

{

$mailtype = 'TXT';

require_once(DEDEINC.'/mail.class.php');

$smtp = new smtp($cfg_smtp_server,$cfg_smtp_port,true,$cfg_smtp_usermail,$cfg_smtp_password);

$smtp->debug = false;

$smtp->sendmail($email,$cfg_webname,$cfg_smtp_usermail, $mailtitle, $mailbody, $mailtype);

}

else

{

@mail($email, $mailtitle, $mailbody, $headers);

}

ShowMsg('Successfully send a message, but need to be displayed after the audit!','guestbook.php',0,3000);

}

exit();

}

//显示所有留言

else

{

setcookie('GUEST_BOOK_POS',GetCurUrl(),time()+3600,'/');

if($g_isadmin) $sql = 'SELECT * FROM `#@__guestbook` ORDER BY id DESC';

else $sql = 'SELECT * FROM `#@__guestbook` WHERE ischeck=1 ORDER BY id DESC';

$dlist = new DataListCP();

$dlist->pageSize = 10;

$dlist->SetParameter('gotopagerank',$gotopagerank);

$dlist->SetTemplate(DEDETEMPLATE.'/plus/guestbook1.htm');

$dlist->SetSource($sql);

$dlist->Display();

}

后台 发送邮箱SMTP也设置好了，就是不发送，什么原因呢？