Subject: Mail delivery failed: returning message to sender

From: Mail Delivery System <[email-masked]>
Date: Mon, 22 Sep 2008 22:15:10 +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]
    mailbox is full: retry timeout exceeded

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

Date:	Mon, 22 Sep 2008 16:15:06 -0300
From:	=?koi8-r?B?+uHvICLywcTVx8Ei?= 
	<[email-masked]>
Reply-To: [email-masked]
To: [email-masked]
Subject: =?koi8-r?B?/NTPINTP1CDV3sXCztnKIMvV0tM=?=