[Ffmpeg-devel] [OT] How to send e-mails compliant with mailman'sthreading with Thunderbird?

[Måns Rullgård]

Rich Felker <dalias at aerifal.cx> writes:

> On Fri, Sep 01, 2006 at 12:47:24AM +0200, V?ctor Paesa wrote:
>> Hi,
>> 
>> > At first I used to write to the list using my Hotmail account and Outlook
>> > Express. That combination obviously screwed up all quoting and the
>> > threading in the archives. My e-mails were scattered all over the place
>> > being identified as replies to anything (in the ffmpeg-devel archives)...
>> >
>> > So I switched to Thunderbird, but my e-mails still screwed up the
>> > threading. Now I switched e-mail accounts to another server (I thought it
>> > was Hotmail or the Hotmail plugin in ThunderBird that was doing something
>> > non-compliant). But I see that I'm still causing the same problems in the
>> > threads. Using SquirrelMail (Webmail) also caused the same thing, which is
>> > weird, since I see other people using SquirrelMail with success on the
>> > list.
>> >
>> 
>> I also suffered that weird behaviour of Hotmail.
>> I'm no mail expert, so I just switched to another webmail provider, that is
>> offering SquirrelMail. Since in your case didn't work, I'm wondering
>> if the problem is the mail server your provider uses, and not in the
>> mail clients you are trying ...
>
> If the mail server can break this it's beyond broken. The only thing
> that matters for threading is that your "In-Reply-To:" header matches
> the "Message-ID:" header of the mail you're replying to. Some systems
> may use other heuristics to aid threading but that rule is the key.

The "References" header is commonly used too.

-- 
M?ns Rullg?rd
mru at inprovide.com