Shared folders?

[Prentice Bisbal]

I've created a shared folder at the top-level of my mailbox hierarchy 
(doesn't include prefix "user"):

localhost> lm
deposit (\HasNoChildren)
user.prentice.Trash (\HasNoChildren)
user.prentice (\HasChildren)
user.prentice.pdb-l (\HasNoChildren)
user.prentice.Drafts (\HasNoChildren)

But when I send mail to it, I get the following error:

Dec 17 14:36:58 pdb-linux-7 sendmail[8842]: hBHJVls08839: to=deposit, 
ctladdr=prentice (32220/12026), delay=00:00:00, xdelay=00:00:00, 
mailer=cyrus, pri=30032, relay=localhost, dsn=5.1.1, stat=User unknown

Do I have to create an alias that pipes these messages to deliver? Do I 
have to somehow tell sendmail/cyrus to treat this folder differently? Am 
I going about this all wrong?

Prentice