postfix+cyrus locker problem

Hello

I have the following problem (confirmed in the logs for various messages)

That seems a problem of "lockers" in cyrus level; the messages have been
delivered, but the sender receives an error message.

Any idea?


> X-Sieve: CMU Sieve 2.2
> Date: Wed, 15 Feb 2006 15:20:01 +0100 (CET)
> From: MAILER-DAEMON@u-grenoble3.fr (Mail Delivery System)
> Subject: Undelivered Mail Returned to Sender
> To: n3.p3@u-grenoble3.fr
>
> This is the Postfix program at host huascaran.u-grenoble3.fr.
>
> I'm sorry to have to inform you that your message could not
> be delivered to one or more recipients. It's attached below.
>
> For further assistance, please send mail to
>
> If you do so, please include this problem report. You can
> delete your own text from the attached returned message.
>
> The Postfix program
>
> (expanded from ):
> host /var/lib/imap/socket/lmtp[/var/lib/imap/socket/lmtp] said:
167 lockers
> (in reply to end of DATA command)
> Reporting-MTA: dns; huascaran.u-grenoble3.fr
> X-Postfix-Queue-ID: 2EEF9C2A482
> X-Postfix-Sender: rfc822; n3.p3@u-grenoble3.fr
> Arrival-Date: Wed, 15 Feb 2006 15:20:00 +0100 (CET)
>
> Final-Recipient: rfc822; yyyyyyy@u-grenoble3.fr
> Original-Recipient: rfc822; n2.p2@u-grenoble3.fr
> Action: failed
> Status: 5.0.0
> Diagnostic-Code: X-Postfix; host
> /var/lib/imap/socket/lmtp[/var/lib/imap/socket/lmtp] said: 167
lockers (in
> reply to end of DATA command)
> Received: from vw2.u-grenoble3.fr (vw2.u-grenoble3.fr [195.220.241.2])
> by huascaran.u-grenoble3.fr (Postfix) with ESMTP id 2EEF9C2A482;
> Wed, 15 Feb 2006 15:20:00 +0100 (CET)
> Received: from POE.u-grenoble3.fr (localhost.localdomain [127.0.0.1])
> by vw2.u-grenoble3.fr (8.11.6/jtpda-5.4) with ESMTP id
k1FEJxS24968
> ; Wed, 15 Feb 2006 15:19:59 +0100
> Message-Id: <5.0.2.1.2.20060215151723.00c2bf38@pop.u-grenoble3.fr>
> X-Sender: zzzzzzz@pop.u-grenoble3.fr
> X-Mailer: QUALCOMM Windows Eudora Version 5.0.2
> Date: Wed, 15 Feb 2006 15:19:46 +0100
> To: n1.p1@u-grenoble3.fr, n2.p2@u-grenoble3.fr
> From: n3 p3
> Subject: notre sujet
> Cc: n4.p4@u-grenoble3.fr
> Mime-Version: 1.0
> Content-Type: text/plain; charset="iso-8859-1"; format=flowed
>
> Bonjour,
>
> ....
......

> Merci,