doveadm: Use MAILBOX_LIST_ITER_LIST_PREFIXES when iterating through mailboxes. This means that if there exists a mailbox in namespace prefix itself, those mailboxes can be accessed. Also "doveadm mailbox list" shows all namespace prefixes.
doveadm: Use MAILBOX_LIST_ITER_LIST_PREFIXES when iterating through mailboxes.
This means that if there exists a mailbox in namespace prefix itself, those
mailboxes can be accessed. Also "doveadm mailbox list" shows all namespace
prefixes.

Note that wildcards match only within namespace, so e.g. '*' will never
match any namespace prefix, because it works within the prefix="" namespace.

damoxc/dovecot,damoxc/dovecot,damoxc/dovecot,damoxc/dovecot,damoxc/dovecot