Delivered-To: kijitora@df.example.jp
Received: from df.example.jp (df.example.jp [local])
        by df.example.jp (OpenSMTPD) with ESMTPA id 94c5a197
        for <kijitora@df.example.jp>;
        Mon, 17 Jun 2024 07:44:38 +0000 (UTC)
Subject: Delivery status notification: delayed
From: Mailer Daemon <MAILER-DAEMON@df.example.jp>
To: kijitora@df.example.jp
Date: Mon, 17 Jun 2024 07:44:38 +0000 (UTC)
MIME-Version: 1.0
Content-Type: multipart/mixed;boundary="15462020824679807191/df.example.jp"
Message-ID: <74f4e59c4543178c@df.example.jp>
This is a MIME-encapsulated message.
--15462020824679807191/df.example.jp
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii
    Hi!
    This is the MAILER-DAEMON, please DO NOT REPLY to this email.
    A message is delayed for more than 4 hours for the following
    list of recipients:
neko@nyaan.jp: No MX found for domain
    Please note that this is only a temporary failure report.
    The message is kept in the queue for up to 7 days.
    You DO NOT NEED to re-send the message to these recipients.
    Below is a copy of the original message:
--15462020824679807191/df.example.jp
Content-Description: Delivery Report
Content-Type: message/delivery-status
Reporting-MTA: dns; df.example.jp
Final-Recipient: rfc822; neko@nyaan.jp
Action: delayed
Status: 4.0.0
--15462020824679807191/df.example.jp
Content-Description: Message headers
Content-Type: text/rfc822-headers
Received: from localhost (df.example.jp [local])
        by df.example.jp (OpenSMTPD) with ESMTPA id 58588365
        for <neko@nyaan.jp>;
        Mon, 17 Jun 2024 04:57:57 +0000 (UTC)
From: <kijitora@df.example.jp>
Subject: Nyaan 04
To: <neko@nyaan.jp>
User-Agent: mail (GNU Mailutils 3.14)
Date: Mon, 17 Jun 2024 13:57:57 +0900
Message-ID: <74f4e3a292556888@df.example.jp>
Nyaan?
--15462020824679807191/df.example.jp--