Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Wed, 13 Jul 2005 09:06:03 +0200 (MEST)

The original message was received at Wed, 13 Jul 2005 08:24:32 +0200 (MEST)
from host61-97.pool81121.interbusiness.it [81.121.97.61]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 550 Unrouteable address)

   ----- Transcript of session follows -----
... while talking to humbolt.nl.linux.org.:
>>> DATA
<<< 550 Unrouteable address
550 5.1.1 <[email-masked]>... User unknown
<<< 503 valid RCPT command must precede DATA

Subject: Delivery reports about your e-mail
From: [email-masked]
To: [email-masked]
Date: Wed, 13 Jul 2005 08:31:24 +0200