Return-Path: <>
X-Original-To: nekochan@example.co.jp
Delivered-To: nekochan@example.co.jp
Received: by mail.example.co.jp (Postfix)
        id 18513041C2DA; Thu, 29 Apr 2019 23:34:45 +0900 (JST)
Date: Thu, 29 Apr 2019 23:34:45 +0900 (JST)
From: MAILER-DAEMON@example.co.jp (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: nekochan@example.co.jp
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
        boundary="0E1D4CDC0054.1562628010/mail.example.co.jp"
Message-Id: <20190429233445.18513041C2DA@mail.example.co.jp>
This is a MIME-encapsulated message.
--0E1D4CDC0054.1562628010/mail.example.co.jp
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii
This is the mail system at host mail.example.co.jp.
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
<neko@email.example.ua>: host mx3.email.ua[185.187.81.214] said: 550 Mailbox is
    frozen. See http://mail.i.ua/err/3/ (in reply to RCPT TO command)
--0E1D4CDC0054.1562628010/mail.example.co.jp
Content-Description: Delivery report
Content-Type: message/delivery-status
Reporting-MTA: dns; mail.example.co.jp
X-Postfix-Queue-ID: 0E1D4CDC0054
X-Postfix-Sender: rfc822; nekochan@example.co.jp
Arrival-Date: Thu, 29 Apr 2019 23:34:45 +0900 (JST)
Final-Recipient: rfc822; neko@email.example.ua
Action: failed
Status: 5.0.0
Remote-MTA: dns; mx3.email.ua
Diagnostic-Code: smtp; 550 Mailbox is frozen. See http://mail.i.ua/err/3/
--0E1D4CDC0054.1562628010/mail.example.co.jp
Content-Description: Undelivered Message
Content-Type: message/rfc822
Return-Path: <nekochan@example.co.jp>
Received: by mail.example.co.jp (Postfix, from userid 2022)
        id 0E1D4CDC0054; Thu, 29 Apr 2019 23:34:45 +0900 (JST)
To: neko@email.example.ua
Subject: Nyaan
From: <kijitora@example.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-2022-JP
Content-Transfer-Encoding: 7bit
Message-Id: <20190429233445.0E1D4CDC0054@mail.example.co.jp>
Date: Thu, 29 Apr 2019 23:34:45 +0900 (JST)
Nyaan
--0E1D4CDC0054.1562628010/mail.example.co.jp--