Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the mail system at host mx0.mail.omroep.nl.

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

<olumnnn at eo.nl>: host mx1.mail.eo.nl[145.58.226.174] said: 550 olumnnn at eo.nl
    unknown user account (in reply to RCPT TO command)
-------------- next part --------------
An embedded message was scrubbed...
From: "Invoice" <containers at lists.linux-foundation.org>
Subject: Bill 582874.
Date: Thu, 01 Mar 2012 14:49:18 +0100
Size: 1544
URL: <http://lists.linuxfoundation.org/pipermail/containers/attachments/20120301/dbb7a663/attachment.mht>