loopZendMaildirWrite.php

<?php
// bootstrap the DB access and configs...
// .....

$m = new ParseBounces();
require_once 'Zend/Mail/Storage/Maildir/Writeable.php';

try {
    $mail = new Zend_Mail_Storage_Maildir_Writeable(
      array('dirname' => $bounceMaildir)
    );
} catch (Zend_Mail_Exception $e) {
   die ("can't open the maildir");
}
echo $mail->countMessages() . " messages found\n";

foreach ($mail as $num=>$message) {
    // is it spam? 
    if ($m->isspam($message)) {
        $mail->removeMessage($num);     // delete the message
    }
    
    if ($emails = $m->isBounce($message)) {
         // set a flag for the emails return, then delete the message
        $member->setEmailFlag($emails, time());
        $mail->removeMessage($num);
    }
}