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Re: email threading

Path csiph.com!aioe.org!.POSTED.0waBM8EsiO6GSUmEKysa8Q.user.gioia.aioe.org!not-for-mail
From Dmitry Alexandrov <321942@gmail.com>
Newsgroups comp.misc
Subject Re: email threading
Date Thu, 11 Apr 2019 04:12:06 +0300
Organization Aioe.org NNTP Server
Lines 46
Message-ID <87k1g1e461.fsf@gmail.com> (permalink)
References <20190328113109.20e2a9ce.rsw@therandymon.com> <nt80nf-st4.ln1@rasp.therandymon.com> <874l7mgq5k.fsf@bogus.nodomain.nowhere> <q7m21r$re7$2@dont-email.me> <q7te7b$ni1$2@dont-email.me> <q7udtp$cq6$2@dont-email.me> <u5ddnf-0v5.ln1@rasp.therandymon.com> <q82g7q$9cj$2@dont-email.me> <87o95nuli0.fsf_-_@violet.siamics.net>
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Mime-Version 1.0
Content-Type multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature"
X-Complaints-To abuse@aioe.org
User-Agent Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)
Mail-Copies-To always
Accept-Language ru,en
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Accept text/plain,text/markdown,text/x-org,text/html,text/*,*/*
Cancel-Lock sha1:e6ukwKqWIzsoP7H5cH5m+gL5v0E=
Xref csiph.com comp.misc:17798

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Ivan Shmakov <ivan@siamics.net> wrote:
> 	Email uses In-Reply-To: header in place of Usenet's References:, albeit that only holds the Message-ID: of the "parent" article.

Good mail-useragents actually maintain ‘References’ header along with ‘In-Reply-To’.

> 	References: typically provides a short(ish) history of ancestors for a given message, but I don't think I've ever seen a newsreader that'd make use of anything but the last entry in the list.

Haven’t ever seen such a newsreader _besides_ Gnus, you mean?

> 	No parsing of human-readable Subject: prefixes is (thankfully) necessary for email threading.

Not normally necessary, yet sometimes is also useful (and Gnus is capable of doing that too).

> 	(So long as the MUAs in question aren't broken in that regard, that is.)

MUA is not the only thing that might be broken.  Presumably, Mailman 2 is the most prominent example: it mangles message ids when gatewaying mail to NNTP: look at the hell that is going on at mozilla.* groups: half on the people is subscribed by mail, another half — by NNTP, so forget about proper threading.

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Thread

email and time to think RS Wood <rsw@therandymon.com> - 2019-03-28 11:31 -0400
  Re: email and time to think Huge <Huge@nowhere.much.invalid> - 2019-03-28 15:33 +0000
    Re: email and time to think Jerry Peters <jerry@example.invalid> - 2019-03-28 20:26 +0000
      Re: email and time to think RS Wood <rswood@therandymon.com> - 2019-03-28 21:27 -0400
        Re: email and time to think Mike Spencer <mds@bogus.nodomain.nowhere> - 2019-03-29 03:17 -0300
          Re: email and time to think Dan Purgert <dan@djph.net> - 2019-03-29 10:05 +0000
            Re: email and time to think Mike Spencer <mds@bogus.nodomain.nowhere> - 2019-03-29 16:46 -0300
              Re: email and time to think RS Wood <rsw@therandymon.com> - 2019-03-29 21:49 -0400
                Re: email and time to think Mike Spencer <mds@bogus.nodomain.nowhere> - 2019-03-31 17:27 -0300
          Re: email and time to think Jerry Peters <jerry@example.invalid> - 2019-03-29 20:20 +0000
          Re: email and time to think Rich <rich@example.invalid> - 2019-03-29 21:17 +0000
            Re: email and time to think scott@alfter.diespammersdie.us (Scott Alfter) - 2019-04-01 16:28 +0000
              Re: email and time to think Rich <rich@example.invalid> - 2019-04-02 01:29 +0000
                Re: email and time to think RS Wood <rsw@therandymon.com> - 2019-04-02 21:00 -0400
                Re: email and time to think Rich <rich@example.invalid> - 2019-04-03 14:33 +0000
                email threading Ivan Shmakov <ivan@siamics.net> - 2019-04-03 16:00 +0000
                Re: email threading Eli the Bearded <*@eli.users.panix.com> - 2019-04-03 16:59 +0000
                Re: email threading scott@alfter.diespammersdie.us (Scott Alfter) - 2019-04-05 16:26 +0000
                Re: email threading RS Wood <rsw@therandymon.com> - 2019-04-05 21:55 -0400
                Re: email threading Ivan Shmakov <ivan@siamics.net> - 2019-04-07 05:15 +0000
                Re: email threading Eli the Bearded <*@eli.users.panix.com> - 2019-04-08 01:30 +0000
                Re: email threading Pabst Blue Ribbon <pabst@blue.ribbon> - 2019-04-10 14:18 +0000
                Re: email threading Dmitry Alexandrov <321942@gmail.com> - 2019-04-11 04:12 +0300
        Re: email and time to think Rich <rich@example.invalid> - 2019-03-29 21:11 +0000
          Re: email and time to think Richard Kettlewell <invalid@invalid.invalid> - 2019-03-31 15:32 +0100
  Re: email and time to think Oregonian Haruspex <no_email@invalid.invalid> - 2019-03-29 06:36 +0000
  Re: email and time to think visiblink <visiblink@mail.invalid> - 2019-03-29 19:56 -0700
  Re: email and time to think Dostoevsky <dosdoevsky@protonmail.com> - 2019-03-29 23:35 -0500

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