[Dovecot] Shared inbox

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Hello all,

   I am using dovecot with maildir storage.  I want to share a inbox of 
one user with another user.  I read the page 
http://wiki.dovecot.org/SharedMailboxes but it does not deal with 
inboxes.  I tried a test of a non-inbox folder and it worked great.   
The inbox does not have a .inbox folder instead its kindof spread 
through the root of the mailbox.  Should I create a folder say 
.shared-inbox with a symbolic link to cur new tmp in 
other-guys-mail-folder?  What about index files, uid list, and keywords?

Thanks