Разница в автоответе у Postfix и Qmail

ОС: CentOS 6.5 (Final)
Версия Plesk: 12.0.18 , обновление #57
Настройки Plesk: http://blog.finderx.ru/2015/07/problemi-plesk-12.html

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Автоответ Qmail:
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Hi. This is the qmail-send program at km20518-08.keymachine.de.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

<[email protected]>:
Бла-бла, кириллица. / Latin SWAG

--- Below this line is a copy of the message.

Return-Path: <[email protected]>
Received: (qmail 29780 invoked from network); 30 Jul 2015 08:53:08 +0400
Received-SPF: pass (server2.finderx.ru: domain of yandex.ru designates 5.255.227.237 as permitted sender) client-ip=5.255.227.237; envelope-from=[email protected]; helo=forward18j.cmail.yandex.net;
Received: from forward18j.cmail.yandex.net (5.255.227.237)
  by dou-lnk.ru with (DHE-RSA-AES256-GCM-SHA384 encrypted) SMTP; 30 Jul 2015 08:53:08 +0400
Received: from web20j.yandex.ru (web20j.yandex.ru [IPv6:2a02:6b8:0:1619::320])
        by forward18j.cmail.yandex.net (Yandex) with ESMTP id 78FB82185B
        for <[email protected]>; Thu, 30 Jul 2015 07:53:07 +0300 (MSK)
Received: from 127.0.0.1 (localhost [127.0.0.1])
        by web20j.yandex.ru (Yandex) with ESMTP id 21C3D21C0652;
        Thu, 30 Jul 2015 07:53:07 +0300 (MSK)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail;
        t=1438231987; bh=AMLD1UodAXsQ6YwM+uO/IzNsxpszHbQKPx5Dh5kVlLI=;
        h=From:To:Subject:Date;
        b=R2d+yuVeFFdwYv5bq36Ls+9bDvifVTqnRyNtg1M6QaGo2+3fhozmxozbCrqgA0eHg
         QRFOpNaNHtwJnSzdqY3vKPMYogj1mYKN74He7ZLsiJid5SaL+PMAJqW06SqTfwr+wy
         yok4hhPxHuBYN2AnE3PHULQuVKqBVj4bIVz5H4DE=
Received: by web20j.yandex.ru with HTTP;
        Thu, 30 Jul 2015 07:53:06 +0300
From: finderX <[email protected]>
Envelope-From: [email protected]
To: [email protected]
Subject: gfsf
MIME-Version: 1.0
Message-Id: <[email protected]>
X-Mailer: Yamail [ http://yandex.ru ] 5.0
Date: Thu, 30 Jul 2015 10:53:06 +0600
Content-Transfer-Encoding: 7bit
Content-Type: text/plain

sd sdf

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Автоответ Postfix
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Received: from mxfront1j.mail.yandex.net ([127.0.0.1])
    by mxfront1j.mail.yandex.net with LMTP id pxD3mmk8
    for <[email protected]>; Thu, 30 Jul 2015 08:26:05 +0300
Received: from infopochta18.ru (infopochta18.ru [87.118.98.110])
    by mxfront1j.mail.yandex.net (nwsmtp/Yandex) with ESMTPS id pKPujkWBRm-Q4aGYIQL;
    Thu, 30 Jul 2015 08:26:04 +0300
    (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
    (Client certificate not present)
X-Yandex-Front: mxfront1j.mail.yandex.net
X-Yandex-TimeMark: 1438233964
X-Yandex-Spam: 1
Received: by km20518-08.keymachine.de (Postfix)
    id F11A42C2392; Thu, 30 Jul 2015 09:25:33 +0400 (MSK)
Date: Thu, 30 Jul 2015 09:25:33 +0400 (MSK)
From: [email protected] (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: [email protected]
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
    boundary="C41B82C234D.1438233933/km20518-08.keymachine.de"
Message-Id: <[email protected]>
X-Yandex-Forward: b32e2a9382b6518e19612e2969334a77

This is a MIME-encapsulated message.

--C41B82C234D.1438233933/km20518-08.keymachine.de
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii

This is the mail system at host km20518-08.keymachine.de.

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

<[email protected]> (expanded from
    <[email protected]>): ______-______, __________________. / Latin SWAG

--C41B82C234D.1438233933/km20518-08.keymachine.de
Content-Description: Delivery report
Content-Type: message/delivery-status

Reporting-MTA: dns; km20518-08.keymachine.de
X-Postfix-Queue-ID: C41B82C234D
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Thu, 30 Jul 2015 09:25:33 +0400 (MSK)

Final-Recipient: rfc822; [email protected]
Original-Recipient: rfc822;[email protected]
Action: failed
Status: 5.2.1
Diagnostic-Code: x-unix; ______-______, __________________. / Latin SWAG

--C41B82C234D.1438233933/km20518-08.keymachine.de
Content-Description: Undelivered Message
Content-Type: message/rfc822

Return-Path: <[email protected]>
Received: from forward12h.cmail.yandex.net (forward12h.cmail.yandex.net [87.250.230.154])
    by km20518-08.keymachine.de (Postfix) with ESMTPS id C41B82C234D
    for <[email protected]>; Thu, 30 Jul 2015 09:25:33 +0400 (MSK)
Received-SPF: pass (server2.finderx.ru: domain of yandex.ru designates 87.250.230.154 as permitted sender) client-ip=87.250.230.154; envelope-from=[email protected]; helo=forward12h.cmail.yandex.net;
Received: from web22h.yandex.ru (web22h.yandex.ru [84.201.187.156])
    by forward12h.cmail.yandex.net (Yandex) with ESMTP id C6270216CA
    for <[email protected]>; Thu, 30 Jul 2015 08:25:32 +0300 (MSK)
Received: from 127.0.0.1 (localhost [127.0.0.1])
    by web22h.yandex.ru (Yandex) with ESMTP id 6F57A3C80D44;
    Thu, 30 Jul 2015 08:25:32 +0300 (MSK)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail;
    t=1438233932; bh=kAf0hsbeocwYUEGeqp+7p6AXo2zisWwnnaE7vHIWi/0=;
    h=From:To:Subject:Date;
    b=lOCPcGBGvyB2rf6eviTLga3S8owBxdDf1CJG3KpLg7wAFZILreFTc3mvBXyp7Y1AW
     zlRA56UpsfNjVOd3cbURloMgaSSspXlqgcqnEWhiZGvun6r5DanAAOzevbC+bNYL0U
     UZyuhih3ztEDjKg6FTdxOWzJ9P+AewbV9wbMq+j0=
Received: by web22h.yandex.ru with HTTP;
    Thu, 30 Jul 2015 08:25:32 +0300
From: finderX <[email protected]>
Envelope-From: [email protected]
To: [email protected]
Subject: test swag
MIME-Version: 1.0
Message-Id: <[email protected]>
X-Mailer: Yamail [ http://yandex.ru ] 5.0
Date: Thu, 30 Jul 2015 11:25:32 +0600
Content-Transfer-Encoding: 7bit
Content-Type: text/plain

yolo

--C41B82C234D.1438233933/km20518-08.keymachine.de--