Subject: Mail delivery failed: returning message to sender

From: Mail Delivery System <[email-masked]>
Date: Fri, 22 Aug 2008 06:25:11 +0300

This message was created automatically by mail delivery software.

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 mail server after RCPT TO:<[email-masked]>:
    host yota.pastsargs.lv [80.81.35.10]: 550 5.1.1 <[email-masked]>... User unknown

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

Date:	Fri, 22 Aug 2008 10:03:57 +0900
From:	=?koi8-r?B?6cfP0tg=?= <[email-masked]>
Reply-To: [email-masked]
To: [email-masked]
Subject: =?koi8-r?B?6dPTzMXEz9fBzsnFINDSycLZzNjOz9PUySDJIMzJy9fJxM7P09TJ?=