List etiquette

[William O'Higgins Witteman]

On Fri, Mar 03, 2006 at 04:36:36PM -0500, Paul King wrote:
>On 3 Mar 2006 at 12:38, William O'Higgins Witteman (William O'Higgins Witteman <tlug-lxSQFCZeNF4 at public.gmane.org>) spaketh these wourdes:
>
>> How do you tell someone who is not using threading that "their fly is
>> down", i.e. their mailer is breaking threads?  It annoys me, but they
>> probably don't even notice, and I don't want them to feel badly - I just
>> want them to fix/change/reconfigure their MUA.  Thanks.

>If I am one of the guilty ones, I wouldn't know how my mailer does it
>anyway.  And, showing my ignorance for all to see, I thought threading
>was only something newsgroups did (many of them have an xref line in
>the header, where mail has no such cross-refs). It would appear to me
>that MUAs artificially induce threading.  And when the mailer sees a
>reply done a little differently, it breaks that thread.

Close.  The header most often referenced is In-Reply-To, as referenced
by RFC 822.  Some mail clients and mail transfer agents munge this
header to their own ends, which "is considered harmful":
http://www.unicom.com/pw/reply-to-harmful.html
-- 

yours,

William

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