<?php
/* Author: Timotheus@Pokorra.de, May 2004
   feel free to use this code whereever you like
   replace imap.server.tld with the name of your imap server, 
   and insert your username and password on that server.

   Take care: emails are deleted immediately!
*/
function deleteOldSpam($mailboxname, $username, $password, $days)
{

	$mbox = imap_open ($mailboxname, $username, $password);

	$headers = imap_headers ($mbox);
	$numEmails = sizeof($headers);
	$numDeleted = 0;

	for($i = 1; $i < $numEmails+1; $i++)
	{
		$mailHeader = @imap_headerinfo($mbox, $i);
		$from = $mailHeader->fromaddress;
		$subject = strip_tags($mailHeader->subject);
		$date = $mailHeader->udate;
		$today = localtime();
		$oldday = mktime(0,0,0, $today[4]+1, $today[3]-$days, $today[5]+1900);
		if ($date< $oldday)
		{
			$numDeleted++;
			imap_delete($mbox, $i);
		}	
	}
	
	imap_expunge($mbox);
	imap_close($mbox);
	return $numDeleted;
}

$numDeleted = deleteOldSpam("{imap.server.tld:143}INBOX.Spam", "username", "password", 6);
echo "$numDeleted emails have been deleted";
?>