Fwd: Undeliverable: Re: Word Wrapping Mathematical Formulas

Folks/admins of the mailing list. Not sure if it's just me, 
but...whenever I reply to/send something to this list, I get this bounce 
back. Already asked *my* host to check that the relevant email things 
(DKIM/SPF/whatever) are correct, but it still happens. Could it be that 
it's the actual W3C mailer that is missing those headers or whatever? 
Failing that, any chance the account abaskdekaboom@gmail.com could be 
removed, if it's the one where everything just bounces?

P


-------- Forwarded Message --------
Subject:  Undeliverable: Re: Word Wrapping Mathematical Formulas
Date:  Sun, 2 Jul 2023 17:50:13 +0000
From:  postmaster@outlook.com
To:  redux@splintered.co.uk



*mx.google.com rejected your message to the following email addresses:*

abaskdekaboom@gmail.com <mailto:abaskdekaboom@gmail.com>
Your message wasn't delivered because the recipient's email provider 
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*mx.google.com gave this error:
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[2a01:111:f400:7eab::203]. The sender should visit 
https://support.google.com/mail/answer/81126#authentication for 
instructions on setting up authentication. 
i21-20020a1709061e5500b00991c8ce54c5si8580126ejj.178 - gsmtp
*







*Diagnostic information for administrators:*

Generating server: PH0PR10MB6960.namprd10.prod.outlook.com

abaskdekaboom@gmail.com
mx.google.com
Remote server returned '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 [splintered.co.uk] did 550-5.7.26 not pass with ip: 
[2a01:111:f400:7eab::203]. 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. 
i21-20020a1709061e5500b00991c8ce54c5si8580126ejj.178 - gsmtp'

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References: 
<CAJeQ8SBWx=6AgUNb61k=C1S2BSWCV8Uhhp2qiRqgh5WAe5cu3g@mail.gmail.com>
From: "Patrick H. Lauke" <redux@splintered.co.uk>
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-- 
Patrick H. Lauke

https://www.splintered.co.uk/ | https://github.com/patrickhlauke
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