[Dovecot] namespaces

[jorge martinez]

Hello, i have an issue with vpopmail, this created a sub folder named "0"
and all the new users created inside this folder into the domain folder.

Weel i don understand why vpopmail do that, but i want to know if the option
in dovecot.conf namespaces i can make it to search the Maildir in both
directories. name domain/user & name domain/0/name user.

CAn you help me???
Any options.