[Apakabar] Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the mail system at host bender.finmarket.ru.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<sgmkrm at xnx.ru>: host 85.21.236.99[85.21.236.99] said: 550 5.1.1
    <sgmkrm at xnx.ru>: Recipient address rejected: undeliverable address: host
    mail.kulverstukas.ru[/var/imap/socket/lmtp] said: 550-Mailbox unknown.
    Either there is no mailbox associated with this 550-name or you do not have
    authorization to see it. 550 5.1.1 User unknown (in reply to RCPT TO
    command) (in reply to RCPT TO command)
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From: "antons billie" <apakabar at polarhome.com>
Subject: =?koi8-r?B?9d7B09TPyyA2INPP1M/LIDggKDkxNSkgMTQ1LTk4NTA=?=
Date: 25 Oct 2008 21:26:31 +0300
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