Also Error Corrector will send you an email with a complete report of the broken link, that includes information such as date/time, the IP address of the user, the browser user agent of the user, the URL of the page that was not found, and the refferer page that has the broken link. You can easily customize the script and change to what email address the reports will be sent as well as the subject of the email and content of the 404 replacement page.