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特定のアドレス宛にメールを送信すると、以下のエラーメールが届くことがあります。
時間をおいて送信するとエラーメールが届かないこともありますが、何度やっても送
信できない場合もあります。何か解決策はありますでしょうか？
以下、エラーメールの内容です。
This is the mail system at host mail-proxy112.phy.lolipop.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
<xxxxxxxxxxxxx@gmail.com>: host gmail-smtp-in.l.google.com[64.233.188.26] said:
550-5.7.26 This mail is unauthenticated, which poses a security risk to the
550-5.7.26 sender and Gmail users, and has been blocked. The sender must
550-5.7.26 authenticate with at least one of SPF or DKIM. For this message,
550-5.7.26 DKIM checks did not pass and SPF check for [rivied-arts.com] did
not 550-5.7.26 pass with ip: [157.7.104.36]. The sender should visit
550-5.7.26 https://support.google.com/mail/answer/81126#authentication for
550 5.7.26 instructions on setting up authentication.
m9-20020a654389000000b0053ef0ac79c8si3977630pgp.263 - gsmtp (in reply to
end of DATA command)
----------------------------Delivery report----------------------------
Reporting-MTA: dns; mail-proxy112.phy.lolipop.jp
X-Postfix-Queue-ID: 818F214012A05
X-Postfix-Sender: rfc822; xxxxx@rivied-arts.com
Arrival-Date: Mon, 12 Jun 2023 11:17:40 +0900 (JST)
Final-Recipient: rfc822; xxxxxxxxxxxxx@gmail.com
Original-Recipient: rfc822;xxxxxxxxxxxxx@gmail.com
Action: failed
Status: 5.7.26
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.26 This mail is unauthenticated, which poses a
security risk to the 550-5.7.26 sender and Gmail users, and has been
blocked. The sender must 550-5.7.26 authenticate with at least one of SPF
or DKIM. For this message, 550-5.7.26 DKIM checks did not pass and SPF
check for [rivied-arts.com] did not 550-5.7.26 pass with ip:
[157.7.104.36]. The sender should visit 550-5.7.26
https://support.google.com/mail/answer/81126#authentication for 550 5.7.26
instructions on setting up authentication.
m9-20020a654389000000b0053ef0ac79c8si3977630pgp.263 - gsmtp
----------------------Undelivered Message Headers----------------------
Return-Path: <xxxxx@rivied-arts.com>
Received: from mail-proxy112.phy.lolipop.jp (localhost [127.0.0.1])
by mail-proxy112.phy.lolipop.jp (Postfix) with ESMTP id 818F214012A05
for <xxxxxxxxxxxxx@gmail.com>; Mon, 12 Jun 2023 11:17:40 +0900 (JST)
Received: from 127.0.0.1 (127.0.0.1)
by mail-proxy112.phy.lolipop.jp (LOLIPOP-Fsecure);
Mon, 12 Jun 2023 11:17:40 +0900 (JST)
X-Virus-Status: clean(LOLIPOP-Fsecure)
Received: from rivied-arts.com (unknown [106.172.34.63])
(Authenticated sender: xxxxx@rivied-arts.com)
by mail-proxy112.phy.lolipop.jp (Postfix) with ESMTPA
for <xxxxxxxxxxxxx@gmail.com>; Mon, 12 Jun 2023 11:17:40 +0900 (JST)
From: Aizen_RIVIED-ARTS <xxxxx@rivied-arts.com>
To: =?utf-8?B?5oiQ5Lq655S35oCn5LiJ5Lq657WE?= <xxxxxxxxxxxxx@gmail.com>
Subject: Re: =?utf-8?B?5q2M44Gj44Gm44G/44Gf44Kr44OQ44O844Gr6Zqb44GZ44KLaQ==?=
=?utf-8?B?bnN05Yi25L2c44Gu44GU5L6d6aC8?=
Date: Mon, 12 Jun 2023 11:17:39 +0900
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="Boundary-vS8SLl562chpTx7yk0LJq"
X-Mailer: HidemaruMail 7.19 (WinNT,A00)
In-Reply-To: <CA+MuKb4aXCE+VvzYiuJn2LM-ef4p4nQ1VVUZEWb1v_w_6-tc+A@mail.gmail.
com>
References: <xxxxxxxxxxxxxxxxxxxxxx@rivied-arts.com> <CA+MuKb5GnXajVOc--=MPs
PcJnKKK2whUGGEnWa9qpr+xxxxxxx@mail.gmail.com> <xxxxxxxxxxxxxxxxxxxxxx@rivied
-arts.com> <CA+MuKb4aXCE+VvzYiuJn2LM-ef4p4nQ1VVUZEWb1v_w_6-tc+A@mail.gmail.com>
Message-Id: <xxxxxxxxxxxxxxxxxxxxxx@rivied-arts.com>
---以下の内容はコミュニテックス会議室システムにより付加されました。
本文中のメールアドレスは伏せ字に変換されました。伏せ字にしたくない場合
はメールアドレスを""で囲んで書き込んでください。
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