Read Receipt Remover for MS Exchange 2000/2003 application (RRR) can remove the read receipt request from each inbound e-mail message delivered to default Inbox folder of user's personal mailbox. So the Read Notification will never be sent back to the message originator.
The application is an Exchange store synchronous event sink.
There is a bug in Outlook 2002 that results in a read-receipt being sent without a prompt under certain conditions (click here for Details). RRR can solve this problem globally.
Benefits
This application can increase the "Hacker-resistance" of your e-mail system
Read request removing is processed instantly, before any rules are applied
You can set up RRR on per-mailbox basis or as "store-wide" application, i.e. it will work on each user's Inbox in the certain Exchange mailbox store