Subject: Mail delivery failed: returning message to sender

From: Mail Delivery System <[email-masked]>
Date: Fri, 22 Aug 2008 06:00:42 +0300

This is the Postfix program at host wall.deac.lv.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  [email-masked]
    SMTP error from remote mailer after RCPT TO:<[email-masked]>:
    host mail.adm.lv [87.246.136.23]: 550 5.1.1 <[email-masked]>... User unknown

------ This is a copy of the message's headers. ------

From: =?koi8-r?B?6dLJzsEu6Q==?= <[email-masked]>
To: <[email-masked]>
Subject: =?koi8-r?B?8sHa0sHCz9TLwSDCydrOxdMg0MzBzsEgxMzRIMnO18XT1M/Sz9cgyQ==?=
	=?koi8-r?B?INDB0tTOxdLP1y4=?=
Date: Fri, 22 Aug 2008 12:00:35 +0900