[Dovecot] userdb override?

[Leroy van Logchem]

Hi,

I used to change the mailbox root for some users using a custom userdb 
file which contains lines like:
doe::20000:200::/u/doe::userdb_mail=mbox:/u/doe/Mail:INBOX=/var/mail/%u

The logfiles shows the mail location stays default ( rc15 worked ):
---
dovecot: Aug 21 09:43:49 Info: auth(default): master out: USER  250     
doe system_user=doe     uid=20324       gid=200 home=/u/doe
dovecot: Aug 21 09:43:49 Info: imap-login: Login: user=<doe>
dovecot: Aug 21 09:43:49 Info: IMAP(doe): Effective uid=20000, gid=200, 
home=/u/doe
dovecot: Aug 21 09:43:49 Info: IMAP(doe): mbox: 
data=/u/doe/:INBOX=/var/mail/doe
dovecot: Aug 21 09:43:49 Info: IMAP(doe): mbox: root=/u/doe, 
index=/u/doe, inbox=/var/mail/doe
---

Configuration:

# 1.0.3: etc/dovecot.conf
mail_location: mbox:~/:INBOX=/var/mail/%u
auth default:
  mechanisms: plain login digest-md5 cram-md5 ntlm
  verbose: yes
  debug: yes
  passdb:
    driver: passwd-file
    args: /etc/userdb_extra
  passdb:
    driver: pam
  userdb:
    driver: passwd
    args: /etc/userdb_extra
  userdb:
    driver: passwd-file
    args: /etc/userdb_extra

-- 
Leroy