[Undelivered Mail Returned to Sender] error

[korben]

Hello guys ( falko and till),

I have this error recently on my mails, what seems to be the problem?

-------------------

---------------------------- Original Message ----------------------------
Subject: Undelivered Mail Returned to Sender
From:    "Mail Delivery System" <MAILER-DAEMON@dns2.gcic.edu.ph>
Date:    Wed, November 8, 2006 10:16 am
To:      webmaster@gcic.edu.ph
--------------------------------------------------------------------------

This is the Postfix program at host dns2.gcic.edu.ph.

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 Postfix program

<gcic9_webmaster@dns2.gcic.edu.ph> (expanded from <webmaster@gcic.edu.ph>):
   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


Final-Recipient: rfc822; gcic9_webmaster@dns2.gcic.edu.ph
Original-Recipient: rfc822; webmaster@gcic.edu.ph
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; 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

---------------------------------------------

Solutions anyone???


Thanks!!!

[falko]

Your disk quota has ecxeeded. What's the output of

repquota -avug

?