2 users acces 1 folder in 1 users mailbox?
 

is it possible to have a folder on user A's GroupWise mailbox that user B can access with as much permisions as user A but user B cannot access the rest of user A's mail?

depends on how the mail client stores mails. With Kmail it is not possible.

I have got the rule working in groupwise so that when I get an email from the particular address the rule takes effect an the email is moved to the appropriate folder, however I cannot reply to the message the only option is to post.

how can i reply to the messages in the folder? please i need some help!

thanks