[Dovecot] problem migrating uw imap to dovecot on suse 9.3

[Dan Trutza]

hi all,

after i successed in install / configure dovecot, and transform mbox to maildir i got error in outlook expres.
outlook expres is authenticated . dovecot accep user/passwd.
when i try to receive folder list is giving me error: "downloading folder 
from server.ro"
"one or more problems occurred downloading your list of folders from your 
account. The folder  list may  be inaccurate."

any ideea?

thanks.