[Dovecot] Dovecot 1.0.3: LDA + quota plugin

I have problem with quota limit settings for "deliver" - global plugin settings overrides userdb quota setting !!! imap and pop3 works fine. Quota limit for user is set to "quota=maildir:ignore=Kosz:storage=512". And "maildirsize" file in user's mail_location contains "524288S" line - good. But when I set:

plugin { quota = maildir:ignore=Kosz:storage=102400 }

in "/etc/dovecot.conf", quota limit is set to "104857600S" in "maildirsize" file - BAD.

Local delivery is configured as in http://wiki.dovecot.org/LDA, quota plugin is set in /etc/dovecot.conf:

protocol lda { ...... mail_plugins = cmusieve quota #mail_plugin_dir = /usr/lib/dovecot/lda ..... }

Per-user quota is configured like this (from LDAP):

user_attrs = homeDirectory=home,uidNumber=uid,gidNumber=gid,mailQuotaSize=quota=maildir:ignore=Kosz:storage pass_attrs = uid=user,userPassword=password,homeDirectory=userdb_home,uidNumber=userdb_uid,gidNumber=userdb_gid,mailQuotaSize =userdb_quota=maildir:ignore=Kosz:storage

"mailQuotaSize" attribute contains quota limit in kilobytes.

/etc/dovecot.conf:

# 1.0.3: /etc/dovecot.conf log_path: /dev/stderr protocols: imap imaps pop3s managesieve login_dir: /var/run/dovecot/login login_executable(default): /usr/libexec/dovecot/imap-login login_executable(imap): /usr/libexec/dovecot/imap-login login_executable(pop3): /usr/libexec/dovecot/pop3-login login_executable(managesieve): /usr/libexec/dovecot/managesieve-login first_valid_uid: 8 first_valid_gid: 12 mail_location: maildir:%h/Maildir mail_executable(default): /usr/libexec/dovecot/imap mail_executable(imap): /usr/libexec/dovecot/imap mail_executable(pop3): /usr/libexec/dovecot/pop3 mail_executable(managesieve): /usr/libexec/dovecot/managesieve mail_plugins(default): quota imap_quota mail_plugins(imap): quota imap_quota mail_plugins(pop3): quota mail_plugins(managesieve): mail_plugin_dir(default): /usr/lib/dovecot/imap mail_plugin_dir(imap): /usr/lib/dovecot/imap mail_plugin_dir(pop3): /usr/lib/dovecot/pop3 mail_plugin_dir(managesieve): /usr/lib/dovecot/managesieve pop3_client_workarounds(default): pop3_client_workarounds(imap): pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh pop3_client_workarounds(managesieve): auth default: mechanisms: plain login gssapi passdb: driver: ldap args: /etc/dovecot-ldap.conf userdb: driver: prefetch userdb: driver: ldap args: /etc/dovecot-ldap.conf socket: type: listen master: path: /var/run/dovecot/auth-master mode: 438 plugin: quota: maildir:ignore=Kosz:storage=102400

PS. Sorry for my english.