In Mail's View menu on Leopard you have the option to view Message -> Long Headers *OR* Raw Source. The first option should be helpful. By editing Mail's preferences in "Viewing" you can create a Custom way to "Show header details": Drag "Attachments" to the headers you want to see. Then you'll have more information on the attachment(s) and an option to use Quick Look. -- Greetings Pete Encryption, n.: A powerful algorithmic encoding technique employed in the creation of computer manuals.