MAILER-DAEMON error

Hi, a domain not in my system try to send a mail to a user in my servers and got the following error msg:


Från: [email protected] (Mail Delivery System)
Datum: 16 november 2011 14.05.35 CET

Till: [email protected]
Ämne: Undelivered Mail Returned to Sender


This is the mail system at host mail.mydomain.com.

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 postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<[email protected]> (expanded from
<[email protected]>): can't create user output file. Command
output: /bin/cat: write error: Disk quota exceeded procmail: Error while
writing to "/home/admispconfig/ispconfig/tools/clamav/bin/clamassassin"
procmail: Rescue of unfiltered data succeeded procmail: Quota exceeded
while writing
"/var/www/webxxx/user/webxxx_user/Maildir/tmp/1321448735.32194_0.mail.mydomain.com"
Reporting-MTA: dns; mail.mydomain.com
X-Postfix-Queue-ID: 11FEE15C273
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Wed, 16 Nov 2011 14:04:58 +0100 (CET)

Final-Recipient: rfc822; [email protected]
Original-Recipient: rfc822;[email protected]
Action: failed
Status: 5.2.0
Diagnostic-Code: x-unix; /bin/cat: write error: Disk quota exceeded procmail:
Error while writing to
"/home/admispconfig/ispconfig/tools/clamav/bin/clamassassin" procmail:
Rescue of unfiltered data succeeded procmail: Quota exceeded while writing
"/var/www/webxxx/user/webxxx_user/Maildir/tmp/1321448735.32194_0.mail.mydomain.com"
Received: from dothermsilserver.se (mail.datadrift.se [IPofother mailserver])
(using TLSv1 with cipher RC4-MD5 (128/128 bits))
(No client certificate requested)
by mail.mydomain.com (Postfix) with ESMTPS id 11FEE15C273
for <[email protected]>; Wed, 16 Nov 2011 14:04:58 +0100 (CET)
X-MDAV-Processed: othermsilserver.se, Wed, 16 Nov 2011 14:01:42 +0100
Received: from [192.168.1.18] by othermsilserve.se (MDaemon PRO v11.0.0)
with ESMTP id md50018720816.msg
for <[email protected]>; Wed, 16 Nov 2011 14:01:42 +0100
X-Spam-Processed: othermsilserve.se, Wed, 16 Nov 2011 14:01:42 +0100
(not processed: message size (4698726) exceeds spam filter configured max size of (512000))
X-Authenticated-Sender: [email protected]
X-MDRemoteIP: 192.168.1.18
X-Return-Path: [email protected]
X-Envelope-From: [email protected]
X-MDaemon-Deliver-To: [email protected]
From: =?iso-8859-1?Q?Mann_V=E4=E4n=E4nen?= <[email protected]>
Content-Type: multipart/mixed; boundary=Apple-Mail-21--456086667
Subject: mail 2
Date: Wed, 16 Nov 2011 14:01:36 +0100
Message-Id: <[email protected]>
To: Gunilla Marklund <[email protected]>
Mime-Version: 1.0 (Apple Message framework v1084)
X-Mailer: Apple Mail (2.1084)


How can i prevent this in future?
users quota i 1000Mb and they using 400Mb

thanks

 

They got:


Group used soft hard grace used soft hard grace
----------------------------------------------------------------------
webxxx -- 1050552 1126400 1127424 4335 0 0

looks like they over the limit, correct?


thanks
M