how to clean virtual users correctly

Hello I removed the user in static userdb file, and deleted /var/mail/vhosts/$domain/$user dir. when I recreated the user, the system dirs (sent, draft etc) disappeared. Anything wrong here? Thank you. -- Henry R https://openmbox.net/

sasl service for other app

can dovecot run as a general sasl service for other apps? such as webdav. Thanks.