[Comm] Странное сообщение postfix-a

[Sergey Lizogub]

От postfix-а получено сообщение следующего содержания:

Begin forwarded message:

Date: Mon, 23 Sep 2002 18:47:13 +0400 (MSD)
From: MAILER-DAEMON на localhost.localdomain (Mail Delivery System)
To: postmaster на localhost.localdomain (Postmaster)
Subject: Postfix SMTP server: errors from unknown[66.236.91.205]


ilikebox на networld.com

Transcript of session follows.

  Out: 220 localhost.localdomain ESMTP Postfix
  In:  HELO gatekeeper.otsuka.co.jp
  Out: 250 localhost.localdomain
  In:  MAIL From: <74467.3473mcp на dmc.htc.hanwha.co.kr>
  Out: 250 Ok
  In:  RCPT To:<ilikebox на networld.com>
  Out: 554 <ilikebox на networld.com>: Recipient address rejected:
Relay access
      denied
  In:  QUIT
  Out: 221 Bye

Что бы это значило?
Сергей Лизогуб