Salve pesoal, sou iniciante no assunto de web e php e tudo isso, estou aprendendo na marra !!!  baixei aqui do site o script do chatengine que é um bate papo muito baixado por aqui.... consegui fazer quase tudo, ajustei o banco de dados e tudo mais, massssss........ Não consigo me registrar !!!!!!, eu abro o registro preencho e ele diz que vai me mandar um email com a senha mas ele não manda !!!!, dai não consigo saber a senha..... o chat tá rodando temporariamente aqui: http://ldsbrasil.awardspace.com/chat/index.php3 o script do  register.php3 esta aqui: <?
/*
    PHP Chatengine version 1.9
    by Michiel Papenhove
    e-mail: michiel@mipamedia.com
    http:// www.mipamedia.com
    
    Software is supplied "as is". You cannot hold me responsible for any problems that
    might of occur because of the use of this chat
    
*/
$extra_info = "onload=\"position_window(); document.register_user.nick.focus()\"";
$page_title = "Register new nick";
require("includes.php3");
function register_form($mysql_link)
{
    global $scriptname;
    ?>
    <script>
    <!--
    
    function check_form()
    {
        if (document.register_user.nick.value == "")
        {
            alert("Please supply a nick");
            document.register_user.nick.focus();
            return;
        }
        
        if (document.register_user.e_mail.value == "")
        {
            alert("Please supply a valid e-mailaddress");
            document.register_user.e_mail.focus();
            return;
        }
        
        if (document.register_user.real_name.value == "")
        {
            alert("Please supply your real name");
            document.register_user.real_name.focus();
            return;
        }
        document.register_user.submit();
    }
    
    //-->
    </script>
    
    <font color="#FFFCC">
    Please enter your desired nick and the e-mailaddress where we need to send you
    your password to. If you supply a fake e-mailaddress, you will not receive your
    password and you won't be able to log in.<br>    
    </font>
    <form name="register_user" method="get" action="<? print($scriptname); ?>">
    <table border="0">
        <tr>
            <td width="150">
            <b>Nick:</b>
            </td>
            <td>
            <input type="text" name="nick" value="" class="typetext" size="17" maxlength="17">
            </td>
        </tr>
        <tr>
            <td>
            <b>E-mail address:</b>
            </td>
            <td>
            <input type="text=" name="e_mail" value="" class="typetext" size="17">
            </td>
        </tr>
        <tr>
            <td>
            <b>Real name:</b>
            </td>
            <td>
            <input type="text=" name="real_name" value="" size="17">
            </td>
        </tr>
        <tr>
            <td colspan="2" align="right">
            <input type="hidden" name="action" value="check_register">
            <input type="button" class="button" onClick="check_form()" value="register">
            </td>
        </tr>
        
    </table>
    </form>
    <?
}
function check_register($mysql_link, $nick, $e_mail, $real_name)
{
    // check if the nick isn't taken
    $query = "SELECT login FROM chat_users WHERE login = '$nick'";
    $result = mysql_query($query, $mysql_link);
    if (mysql_num_rows($result) != 0)
    {
        js_alert("Sorry, that nick has already been taken.");
        register_form($mysql_link);
        return;
    }
    // check if e-mailaddress already exists
    $query = "SELECT e_mail FROM chat_users WHERE e_mail = '$e_mail'";
    $result = mysql_query($query, $mysql_link);
    if (mysql_num_rows($result) != 0)
    {
        js_alert("That e-mailaddress has already been used to register a nick");
        register_form($mysql_link);
        return;
    }
    // add new user nick to database
    
    $items =  "abcdefghijklmnopqrstuvwxyz";
    $items .= "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    $password = "";
    
    srand(time());
    
    for ($f = 1; $f < 16; $f++)
    {
        $password .= substr($items, (rand()%(strlen($items))), 1);
    }
    $nick = strip_tags($nick);
    $real_name = strip_tags($real_name);
    
    $query = "INSERT INTO chat_users (login, password, e_mail, status, realname) ";
    $query .= "VALUES ('$nick', '$password', '$e_mail', 0, '$real_name');";
    mysql_query($query, $mysql_link);
    // E-mail the new user
    
    $mailTo = $e_mail;
    $mailSubject = "Your registration for the - your chat's name here -";
    $mailBody = "Thanks for registering to the - whatever :-) -.\n\n";
    $mailBody .= "This mail has been sent to you to provide you with your log-in information. ";
    $mailBody .= "You will need the username and password listed below to access the chat. ";
    $mailBody .= "You can change your password inside the chat, but you will need at least the ";
    $mailBody .= "first time you log-in, so please keep this message stored until you change ";
    $mailBody .= "your password into something easier to remember.\n\n";
    $mailBody .= "Username: $nick \n";
    $mailBody .= "Password: $password \n\n";
    $mailBody .= "See you in the chat !\n";
    $mailBody .= "<Sender name>.";
    $mailHeaders = "From: youremail@here.com\nReply-To: youremail@here.com";
    
    mail($mailTo, $mailSubject, $mailBody, $mailHeaders);
    js_alert("You have been registerd. An e-mail containing your password has been sent to you.");
    ?>
    <script>
    <!--
    window.close();
    //-->
    </script>
    <?
    
}
// MAIN
?>
<table bgcolor="#555555" border="0" width="100%" height="100%" cellpadding="2" cellspacing="0">
<tr>
    <td valign="top">
    <table border="0" bgcolor="#000000" width="100%" height="100%" cellpadding="5">
    <tr>
        <td valign="top">
        <p><font size="1"><b>Register new nick:</b></font></p>
        <?
        
        switch($action)
        {
            case "": register_form($mysql_link); break;
            case "check_register": check_register($mysql_link, $nick, $e_mail, $real_name); break;
        }
        
        ?>
    </td>
    </tr>
    </table>
    </td>
</tr>
</table>
<script>
<!--
function position_window()
{
var sAvailH = screen.availHeight;
var sAvailW = screen.availWidth;
window.moveTo( (sAvailW/2)-225, (sAvailH/2)-200);
}
//-->
</script>
<?
end_page($mysql_link);
?>  A pergunta é: porque ele não manda o email? oque tenho que fazer ? desde já agradeço  Rafael Souza