Subject: Mail delivery failed: returning message to sender

From: Mail Delivery System <[email-masked]>
Date: Tue, 26 Aug 2008 14:38:24 +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. ------

From: admin <[email-masked]>
To: <[email-masked]>
Subject: =?koi8-r?B?8NLBy9TJ3sXTy8/FIMbJzsHO08/Xz8Ugzc/ExczJ0s/Xwc7JxQ==?=
Date: Tue, 26 Aug 2008 18:38:20 +0700