Exchange Public Folders

I am wanting to forward the entire copy of the contents of a public folder into a users inbox.

When i log into outlook as administrator via the terminal server and go to the properties > administraton > folder assistant > add rule, it will only allow me to select domain users/groups.

Because the contents of this folder contains outside sources I am needing to add in the from box something like "all sources" but there doesn't seem to be an object within the folder assistant address list to allow me to do so.

So my question is; is there a way of doing this?