Subject: Mail delivery failed: returning message to sender

From: Mail Delivery System <[email-masked]>
Date: Mon, 22 Sep 2008 21:26:12 -0700

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]
    (generated from [email-masked])
    SMTP error from remote mail server after end of data:
    host mxs.mail.ru [194.67.23.20]: 550 Message was not accepted -- invalid mailbox.  Local mailbox [email-masked] is unavailable:
    user not found

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

From: =?koi8-r?B?6fPvIDkwMDE6MjAwMA==?= 
	<[email-masked]>
To: <[email-masked]>
Subject: =?koi8-r?B?UmU6IOTPyy3OycUg8+3rINcg08/P1NfF1NPU18nJINPPINPUwc7EwQ==?=
	=?koi8-r?B?0tTPzSBJU08gOTAwMToyMDAw?=
Date: Tue, 23 Sep 2008 12:26:08 +0800