Subject: Returned mail: see the transcript [FAILED(1)]

From: The Post Office <[email-masked]>
Date: Wed, 24 Sep 2008 05:30:46 +0400

This is a collection of reports about email delivery
process concerning a message you originated.

Some explanations/translations for these reports
can be found at:
      http://zmailer.org/delivery-report-decoding.html

If you are our customer, further help is available
at email address: [email-masked]
Reporting-MTA: dns; falcon.lipetsk.ru
Arrival-Date: Wed, 24 Sep 2008 04:50:39 +0400
Local-Spool-ID: S479561AbYIXAuj

FAILED:
  Arrived Recipient:
      rfc822;[email-masked]
  Original Recipient:
      rfc822;[email-masked]
  Final Recipient:
      RFC822;[email-masked]
  Status:
      5.1.1 (bad destination mailbox)
  Remote MTA:
      dns; sun-router.lipetsk.ru (195.34.235.126|25|195.34.224.68|54434)
  Last Attempt Date:
      Wed, 24 Sep 2008 05:30:46 +0400
  X-ZTAID:
      smtp[90778]
  Diagnostic Code:
      smtp; 550 ([email-masked] unknown user account)
  Control data:
      smtp sun-router.lipetsk.ru [email-masked] 65534
  Diagnostic texts:
      <<- MAIL From:<[email-masked]> SIZE=18394
     ->> 250 [email-masked] sender accepted
     <<- RCPT To:<[email-masked]> NOTIFY=FAILURE,DELAY ORCPT=rfc822;[email-masked]
     ->> 550 [email-masked] unknown user account

Following is a copy of MESSAGE/DELIVERY-STATUS format section below.
It is copied here in case your email client is unable to show it to you.
The information here below is in  Internet Standard  format designed to
assist automatic, and accurate presentation and usage of said information.
In case you need human assistance from the Postmaster(s) of the system which
sent you this report, please include this information in your question!

    Virtually Yours,
        Automatic Email Delivery Software

Reporting-MTA: dns; falcon.lipetsk.ru
Arrival-Date: Wed, 24 Sep 2008 04:50:39 +0400
Local-Spool-ID: S479561AbYIXAuj

Original-Recipient: rfc822;[email-masked]
Final-Recipient: RFC822;[email-masked]
Action: failed
Status: 5.1.1 (bad destination mailbox)
Remote-MTA: dns; sun-router.lipetsk.ru (195.34.235.126|25|195.34.224.68|54434)
Last-Attempt-Date: Wed, 24 Sep 2008 05:30:46 +0400
Diagnostic-Code: smtp; 550 ([email-masked] unknown user account)

Following is copy of the message headers. Original message content may
be in subsequent parts of this MESSAGE/DELIVERY-STATUS structure.

From:	=?koi8-r?B?6czY0S76Lg==?= <[email-masked]>
To:	<[email-masked]>
Subject: =?koi8-r?B?9d7Fws7ZyiDL1dLTOuLJ2s7F0yDQzMHOLCD0/O8sIMnO18XT1MnDyQ==?=
	=?koi8-r?B?z87O2cog0NLPxcvUIJYg0sHa0sHCz9TLwSDJIMHOwczJ2i4=?=
Date:	Wed, 24 Sep 2008 06:50:37 +0600

Subject: Учебный курс:Бизнес план, ТЭО, инвестиционный проект √ разработка и анализ.
From: Илья.З. <[email-masked]>
To: <[email-masked]>
Date: Wed, 24 Sep 2008 06:50:37 +0600