[Online] Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the Postfix program at host tadt.de.

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

<tysontracy_yf at stc-d.de>: data format error. Command output:
    tysontracy_yf at stc-d.de: Mailbox does not exist
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An embedded message was scrubbed...
From: VIAGRA ® Official Site <tysontracy_yf at stc-d.de>
Subject: November 79% OFF
Date: Thu,  1 Nov 2007 09:39:54 +0100 (CET)
Size: 4893
Url: http://stc-dfw.org/pipermail/online_stc-dfw.org/attachments/20071101/f790af90/attachment-0001.mht