You can also edit the content of the message itself. This is the nature of email, which is not a system for protecting content. If you want content protection, you need to add another layer that works with the email content. Microsoft's Rights Management application is one approach. For others, see http://www.slipstick.com/addins/security.htm#services

--
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx

"AndyH" wrote in message news
Why is it that you can open a message, and then open an attachment to
that message, edit the contents of that attachment and finally save
the modified message and attachment back to a mail folder?

You would hope that when you look at a past email message it is an
accurate record of what was received in your inbox, including its
attachments. But if someone (with malice or mischief in mind) is able
to modify the content of an attachment, then that hope goes out the
window.

I have observed this in a simple Outlook 2003 pop3 client. Is this an
issue that Exchange resolves?


Andyh