Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the Postfix program at host imap.mandriva.com.

I'm sorry to have to inform you that your message could not be
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

<libxmuu.sos at mandriva.com>: host
    /var/lib/imap/socket/lmtp[/var/lib/imap/socket/lmtp] said: 550-Mailbox
    unknown.  Either there is no mailbox associated with this 550-name or you
    do not have authorization to see it. 550 5.1.1 User unknown (in reply to
    RCPT TO command)
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An embedded message was scrubbed...
From: <libxmuu.sos at mandriva.com>
Subject: [--SPAM--] RE: Men's Health id 89526773
Date: Tue, 18 Mar 2008 13:35:12 +0100 (CET)
Size: 4462
Url: http://lists.alioth.debian.org/pipermail/pkg-gnome-maintainers/attachments/20080318/416c046e/attachment.eml