From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: =?UTF-8?Q?=E7=A9=8D=E4=B8=B9=E5=B0=BC?= Dan Jacobson Newsgroups: gmane.emacs.bugs Subject: bug#37591: Ring big alarms when slipped a 'Mail-Copies-To: never' header Date: Thu, 03 Oct 2019 03:26:13 +0800 Message-ID: <875zl7ne3u.2.fsf@jidanni.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="93498"; mail-complaints-to="usenet@blaine.gmane.org" To: 37591@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 02 21:27:11 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iFkHH-000OC5-D5 for geb-bug-gnu-emacs@m.gmane.org; Wed, 02 Oct 2019 21:27:11 +0200 Original-Received: from localhost ([::1]:58744 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iFkHF-0004qe-OW for geb-bug-gnu-emacs@m.gmane.org; Wed, 02 Oct 2019 15:27:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54780) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iFkH9-0004qU-Tt for bug-gnu-emacs@gnu.org; Wed, 02 Oct 2019 15:27:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iFkH8-0004dV-Qy for bug-gnu-emacs@gnu.org; Wed, 02 Oct 2019 15:27:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:57792) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iFkH8-0004dO-GR for bug-gnu-emacs@gnu.org; Wed, 02 Oct 2019 15:27:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iFkH7-0002ZD-Tq; Wed, 02 Oct 2019 15:27:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: =?UTF-8?Q?=E7=A9=8D=E4=B8=B9=E5=B0=BC?= Dan Jacobson Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bugs@gnus.org Resent-Date: Wed, 02 Oct 2019 19:27:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 37591 X-GNU-PR-Package: emacs,gnus X-Debbugs-Original-To: submit@debbugs.gnu.org (The Gnus Bugfixing Girls + Boys) Original-Received: via spool by submit@debbugs.gnu.org id=B.15700443959829 (code B ref -1); Wed, 02 Oct 2019 19:27:01 +0000 Original-Received: (at submit) by debbugs.gnu.org; 2 Oct 2019 19:26:35 +0000 Original-Received: from localhost ([127.0.0.1]:38380 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iFkGf-0002YR-4n for submit@debbugs.gnu.org; Wed, 02 Oct 2019 15:26:35 -0400 Original-Received: from bongo.elm.relay.mailchannels.net ([23.83.212.21]:44659) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iFkGZ-0002YE-Pm for submit@debbugs.gnu.org; Wed, 02 Oct 2019 15:26:29 -0400 X-Sender-Id: dreamhost|x-authsender|jidanni@jidanni.org Original-Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 4BF952C2BEF for ; Wed, 2 Oct 2019 19:26:26 +0000 (UTC) Original-Received: from pdx1-sub0-mail-a84.g.dreamhost.com (100-96-86-26.trex.outbound.svc.cluster.local [100.96.86.26]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 072312C247E for ; Wed, 2 Oct 2019 19:26:23 +0000 (UTC) X-Sender-Id: dreamhost|x-authsender|jidanni@jidanni.org Original-Received: from pdx1-sub0-mail-a84.g.dreamhost.com ([TEMPUNAVAIL]. 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Let's say we get this mail From: Robert Pluim To: =E7=A9=8D=E4=B8=B9=E5=B0=BC Dan Jacobson Cc: Lars Ingebrigtsen , 6615@debbugs.gnu.org, 34130@deb= bugs.gnu.org Mail-Copies-To: never Well, causally hitting S W to reply to all gives us a buffer with: To: Lars Ingebrigtsen Cc: 6615@debbugs.gnu.org, 34130@debbugs.gnu.org From: =E7=A9=8D=E4=B8=B9=E5=B0=BC Dan Jacobson Do you see the problem? Gnus has blindly picked the **first** person from the CC list to become the single To: person. Yes, a proper mail needs a To: person. But it is a massive mistake to pick one of the equal Cc: people to be the new To: person. It was just like we were set up to redirect our anger at somebody else via the silent booby trap Mail-Copies-To: never ! Solution: make all the people of the former Cc: and To: list now all equa= lly represented in a new single To: To: Lars Ingebrigtsen , 6615@debbugs.gnu.org, 34130@deb= bugs.gnu.org Simple! Furthermore, definitely give a warning: '"Mail-Copies-To: never" header detected. Honor? [Y,n,?]' And what if there were no Cc's or other To's .... Anyway, the idea is to warn the user that he in now replying to someone e= lse. Also to eliminate making it look like we have chosen a special bystander to now direct our wrath at instead of equally distributing it. Gnus v5.13 GNU Emacs 26.3 (build 2, i686-pc-linux-gnu, GTK+ Version 3.24.11) of 2019-09-23, modified by Debian