You can onlt delete a post you make, and in order to do so, you MUST have made the post using the "Password" element at the bottom of the message page. If you have used a password (and you remeber it) just open your own message and you will see a "delete" button. Next to it is a box to type in your password. Enter your password and click delete.

If your message has no replies, it will disappear. If there is a reply, then the content of your message will disappear but a new place-holder message will appear stating that the message was deleted by the poster. This is done to keep threads from getting broken when someone deletes their own message.

Jim