问如何使用shell_exec和Plesk11注册邮件？

EN

<form method="post" action="">
<input type='hidden' name='submitted' id='submitted' value='1'/>


<label for='email' >Email Address:</label>
<input type='text' name='email' id='email' maxlength="50" />
<br> 
<label for='password' >Password*:</label>
<input type='password' name='password' id='password' maxlength="50" />
<input type="submit" name="submit" value="Submit" />


</form>


<?
function sanitize($data) {
$data = strip_tags(trim($data));
$search = array('/[^A-Za-z0-9\. -\!\?\(\)\<\>\@]/');
$data = preg_replace($search, '', $data);
return $data;
}




if(isset($_POST['email'])){
// STRIP OUT ANY UNWANTED STUFF
$_POST['email'] = sanitize($_POST['email']);
$_POST['password'] = sanitize($_POST['password']);




if (filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
$email = $_POST['email'];
} else {
echo "Invalid email<br>";
$_POST['email'] = null;
return;
}


$password = $_POST['password'];




shell_exec ("/usr/local/psa/bin/./mail --create $email -passwd $password -mailbox true");
echo "Your account '$email' has been setup with password '$password'";
}


?>