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From "Bill Cole" <sausers-20150...@billmail.scconsult.com>
Subject Re: [Offtopic] List From and Reply-To
Date Wed, 30 May 2018 14:43:18 GMT
On 30 May 2018, at 8:49, Palvelin Postmaster wrote:

> Why does this list apparently use the original From header of the 
> poster’s message and doesn't set a Reply-To header at all?

1. Traditional standard practice. Doing otherwise in either case would 
offend more people than sticking with the hands-off approach.

2. Inertia. For whatever reason, the choice was made in the misty past 
to use qmail & ezmlm for Apache lists. These are de facto orphanware 
programs that have licensing hostile to anyone seeking to adopt them. 
Backporting features into old software takes work and testing, and no 
one has seen it as worthwhile to do so for any DJB-ware as far as I 
know.


> Hitting reply sends the response to poster directly and DMARC failures 
> occur when posting to list. Not very elegant.

Really? Not that I see:

> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=palvelin.fi; h=from
> 	:content-type:content-transfer-encoding:mime-version:subject
> 	:message-id:date:to; s=posti; bh=nJX2juVBl5ckhxk/l1RP4IpkEFGPHhZ
> 	EKwAofBCnE/g=; b=BrKOw1EEdgBfVBxvpDLldyNXc5o2Cv0v6tIpSgK9roKd/4q
> 	cNQRljKNvc4PjZ94h7gbVFc3G0NzYs2vRMMywxAkMKUcBOhcZBRTb7S10qsWntPA
> 	vaLimWqfYph7zPrICAcFC92IwTv1JO2oRdIw9e11QOT0iB5mgKJLZ65DVjSQ=
> Received: from [188.238.10.162] (account postmaster@palvelin.fi HELO 
> dhcp76.vallden.com)
>   by palvelin.fi (CommuniGate Pro SMTP 6.2.4)
>   with ESMTPSA id 10162444 for users@spamassassin.apache.org; Wed, 30 
> May 2018 15:49:40 +0300
> From: Palvelin Postmaster <postmaster@palvelin.fi>
> Content-Type: text/plain;
> 	charset=utf-8
> Content-Transfer-Encoding: quoted-printable
> Mime-Version: 1.0 (Mac OS X Mail 11.3 \(3445.6.18\))
> Subject: [Offtopic] List From and Reply-To
> Message-Id: <0E34BD1B-73E5-4D31-83E4-124CFD99F686@palvelin.fi>
> Date: Wed, 30 May 2018 15:49:38 +0300
> To: users@spamassassin.apache.org
> X-Mailer: Apple Mail (2.3445.6.18)
> X-Spam-Source: 140.211.0.0/16 on AS3701 via ** FI FI in en
> X-Spam-Hops: Trusted_** **FI FIFI X-Spam-Score: -22.21 () 
> AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SCC_DEBUG,SCC_DEBUG_RAW_LINE,SCC_DEBUG_WL,SPF_PASS,T_SCC_BODY_TEXT_LINE,USER_IN_DEF_SPF_WL,USER_IN_SPF_WHITELIST,USER_IN_WHITELIST_TO

Note that changing the From header would break all DKIM signatures and 
forcing a Reply-To would break many.

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