[<00>] XMail bounce: Rcpt=[sabuakachan1212+1f@gmail.com];Error=[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 [nightstyle.jp] did not
550-5.7.26 pass with ip: [54.65.72.122]. 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. 44-20020a17090a09af00b00271b5388247si5856267pjo.11 - gsmtp]


[<01>] Error sending message [1693734172051.8520.22ebe1.WIN-7N8SBLVV4DJ] from [pokepara.jp].

ID: <s34835cd>
Mail From: <d-47a1eab64fa1-ebecb1f39d7d>
Rcpt To: <sabuakachan1212>
Server: <tg-in-f27.1e100.net> [74.125.23.27]


[<02>] The reason of the delivery failure was:

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 [nightstyle.jp] did not
550-5.7.26 pass with ip: [54.65.72.122]. 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. 44-20020a17090a09af00b00271b5388247si5856267pjo.11 - gsmtp


[<05>] Here is listed the initial part of the message:

Received: from 54.65.72.122 ([54.65.72.122]:59087)
by pokepara.jp with [XMail 1.26 ESMTP Server]
id <s34835cd> for <sabuakachan1212> from <d-47a1eab64fa1-ebecb1f39d7d>;
Sun, 3 Sep 2023 18:42:06 +0900
Date: Sun, 03 Sep 2023 18:42:06 +0900
From: d-47a1eab64fa1-ebecb1f39d7d@nightstyle.jp <d-47a1eab64fa1-ebecb1f39d7d>
Subject: =?utf-8?B?44GK44GE44GZ44Gf44O844Gw44O84oGJ77iP?=
To: sabuakachan1212+1f@gmail.com
Message-Id: <f06c210e-cbb2-4f7b-98dd-5a8976a15d60>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="cb9c337c-93ef-4dbc-80d2-908473fd6fdd"
Content-Transfer-Encoding: 7bit
X-Mailer: Xport-Mail 0.9.0.1
</f06c210e-cbb2-4f7b-98dd-5a8976a15d60></d-47a1eab64fa1-ebecb1f39d7d></d-47a1eab64fa1-ebecb1f39d7d></sabuakachan1212></s34835cd></tg-in-f27.1e100.net></sabuakachan1212></d-47a1eab64fa1-ebecb1f39d7d></s34835cd>