Forwarding Email as an Attachment

How do I forward an email as an attachment? 

Outlook Express 6+: To forward an email as an attachment, simply right-click on the message title/subject while viewing the list of messages. On the menu that pops-up, you will see an option to "Forward As Attachment". Click this option, address your email and click send.

Outlook 2003+: Open a new blank message and pull-down the "Insert" menu.  Choose "Item" from the list. Now find the message you wish to attach and double click it.  It will now appear within the body of your new message or in the attachment area.  Address your message and click send.

Netscape 7.2+: While viewing the list of messages in your inbox, highlight the message you wish to forward by clicking once. Now pull-down the "Message" menu and choose "Forward As". Select "Attachment" from the "Forward As" menu.  The message will now appear in a new message. Simply address and click send.