Return-Path: <>
X-Original-To: neko@example.jp
Delivered-To: michitsuna@example.jp
Received: from mail1.example.org (unknown [192.0.2.202])
by mx4.example.jp (Postfix) with ESMTPS id 4Fj7HtFjgnzLxB5K
for <neko@example.jp>; Thu, 22 Feb 2023 18:30:22 +0900 (JST)
Authentication-Results: mx4.example.jp; arc=none smtp.client-ip=192.0.2.202
ARC-Seal:i=1; a=rsa-sha256; d=example.jp; s=ss2018; t=1151913043; cv=none;
b=neko/nyaan+cat/
ARC-Message-Signature:i=1; a=rsa-sha256; d=example.jp; s=ss2018;
t=2222222201; c=relaxed/relaxed;
bh=neko+nyaan=;
h=Received:Date:From:Subject:To:Auto-Submitted:MIME-Version:
Content-Type:Message-Id; b=neko+nyaan+/cat+/
ARC-Authentication-Results:i=1; mx4.example.jp; dmarc=none (p=none dis=none) header.from=mail1.example.org; spf=none smtp.helo=mail1.example.org; arc=none smtp.client-ip=192.0.2.202
Authentication-Results: mx4.example.jp; dmarc=none (p=none dis=none) header.from=mail1.example.org
Authentication-Results: mx4.example.jp; spf=none smtp.helo=mail1.example.org
Received: by mail1.example.org (Postfix)
id 5ZGLGdBZw6z5FwBg; Thu, 22 Feb 2023 18:30:22 +0900 (JST)
Date: Thu, 22 Feb 2023 18:30:22 +0900 (JST)
From: MAILER-DAEMON@mail1.example.org (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: neko@example.jp
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary="d140gHGZxpzCP4C8.1151913043/mail1.example.org"
Message-Id: <5ZGLGdBZw6z5FwBg@mail1.example.org>
This is a MIME-encapsulated message.
--d140gHGZxpzCP4C8.1151913043/mail1.example.org
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii
This is the mail system at host mail1.example.org.
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
<michitsuna@google.example.com> (expanded from <michitsuna@example.org>): host
gmail-smtp-in.l.google.com[142.251.170.27] said: 550-5.7.25
[192.0.2.202] The IP address sending this message does not have a
550-5.7.25 PTR record setup, or the corresponding forward DNS entry does
not 550-5.7.25 point to the sending IP. As a policy, Gmail does not accept
messages 550-5.7.25 from IPs with missing PTR records. For more
information, go to 550 5.7.25
neko-1785a7g6767a6agg.2 - gsmtp (in reply to
end of DATA command)
--d140gHGZxpzCP4C8.1151913043/mail1.example.org
Content-Description: Delivery report
Content-Type: message/delivery-status
Reporting-MTA: dns; mail1.example.org
X-Postfix-Queue-ID: d140gHGZxpzCP4C8
X-Postfix-Sender: rfc822; neko@example.jp
Arrival-Date: Thu, 22 Feb 2023 18:30:22 +0900 (JST)
Final-Recipient: rfc822; michitsuna@google.example.com
Original-Recipient: rfc822;michitsuna@example.org
Action: failed
Status: 5.7.25
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.25 [192.0.2.202] The IP address sending this
message does not have a 550-5.7.25 PTR record setup, or the corresponding
forward DNS entry does not 550-5.7.25 point to the sending IP. As a policy,
Gmail does not accept messages 550-5.7.25 from IPs with missing PTR
records. For more information, go to 550 5.7.25
neko-1785a7g6767a6agg.2 - gsmtp
--d140gHGZxpzCP4C8.1151913043/mail1.example.org
Content-Description: Undelivered Message
Content-Type: message/rfc822
Return-Path: <neko@example.jp>
Received: from mx4.example.jp (ane.example.jp [192.0.2.202])
by mail1.example.org (Postfix) with ESMTPS id d140gHGZxpzCP4C8
for <michitsuna@example.org>; Thu, 22 Feb 2023 18:30:22 +0900 (JST)
Authentication-Results: mail1.example.org; arc=pass smtp.remote-ip=192.0.2.202
From: <neko@example.jp>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: base64
Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.100.31\))
Subject: Nyaan
Message-Id: <222222EA-20C2-2200-EEEE-2222CEEEEA21@example.jp>
Date: Thu, 22 Feb 2023 18:30:22 +0900
To: michitsuna@example.org
X-Mailer: Apple Mail (2.3696.100.31)
Nyaan
--d140gHGZxpzCP4C8.1151913043/mail1.example.org--