[Dovecot] lda/sieve ignores quota from ldap

[Jens Meißner]

Hello,

I'm using Dovecot 2.0 with Sieve as MDA and Postfix as MTA. The
Postfix delivery command is /usr/lib/dovecot/dovecot-lda -f "$SENDER"
-a "$RECIPIENT". I have set a default quota with quota_rule = *:storage=1G.
Some users should have a larger quota. This is defined in a ldap
directory and I have set 
user_attrs = homeDirectory=home,uidNumber=uid,gidNumber=gid,mailQuota=quota_rule=*:storage=%$.
The imap_quota plugin shows the right quota for all users but the lda
ignores the quota rule from ldap. If a user is over default quota but
not over his ldap defined quota I get the following error message:

From: Mail Delivery Subsystem <postmaster@[…]>

Your message to <[…]> was automatically rejected:
Quota exceeded (mailbox for user is full)

The log file shows the following:

Nov 30 18:21:17 […] dovecot: lda([…]): Error: sieve: msgid=<20111130172116.7F065A07D@[…]>: failed to store into mailbox 'INBOX': Quota exceeded (mailbox for user is full)
Nov 30 18:21:17 […] dovecot: lda([…]): Error: sieve: script /var/mail/[…]/dovecot.sieve failed with unsuccessful implicit keep (user logfile /var/mail/[…]/dovecot.sieve.log may reveal additional details)
Nov 30 18:21:17 […] dovecot: lda([…]): msgid=<20111130172116.7F065A07D@[…]>: rejected: Quota exceeded (mailbox for user is full)

dovecot.sieve.log:
error: msgid=<20111130172116.7F065A07D@[…]>: failed to store into mailbox 'INBOX': Quota exceeded (mailbox for user is full).

What is wrong? What must I do to getting this to work?

Thanks in advance.

Regards
Jens

doveconf -n:

# 2.0.15: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.32-5-xen-amd64 x86_64 Debian 6.0.3 nfs
mail_location = maildir:/var/mail/%u
mail_plugins = quota
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave
passdb {
  args = /etc/dovecot/dovecot-ldap.conf.ext
  driver = ldap
}
plugin {
  quota = maildir
  quota_rule = *:storage=1G
  sieve = /var/mail/%u/dovecot.sieve
  sieve_dir = /var/mail/%u/sieve
}
protocols = " imap sieve pop3"
ssl_cert = </etc/dovecot/ssl/mail.crt
ssl_key = </etc/dovecot/ssl/mail.key
userdb {
  args = /etc/dovecot/dovecot-ldap.conf.ext
  driver = ldap
}
protocol imap {
  mail_plugins = quota imap_quota
  ssl_cert = </etc/dovecot/ssl/imap.crt
  ssl_key = </etc/dovecot/ssl/imap.key
}
protocol pop3 {
  ssl_cert = </etc/dovecot/ssl/pop.crt
  ssl_key = </etc/dovecot/ssl/pop.key
}
protocol lda {
  mail_plugins = quota sieve
}

/etc/dovecot/dovecot-ldap.conf.ext:

hosts = […]
dn = uid[…]
dnpass = […]
auth_bind = yes
base = […]
user_attrs = homeDirectory=home,uidNumber=uid,gidNumber=gid,mailQuota=quota_rule=*:storage=%$
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