Re: Why use an email client AND sendmail/popa3d
On Wed, Nov 25, 2020 at 09:30:41AM +1100, Keith Bainbridge wrote:
> On Sun, 22 Nov 2020 23:34:56 -0600 David Wright
> <deblis@lionunicorn.co.uk> wrote:
>
> >>> On Mon 23 Nov 2020 at 14:27:36 (+1100), Keith Bainbridge wrote:
> >>> > So does htis get a new subject in the list?
>
> Interesting. I'll try it next time I want to use a comment from one
> thread as a separate topic. BUT I wrote a totally new subject line.
> Surely that is removing 'Re: '
It's not the Subject: header that matters for thread construction.(*)
It's the In-Reply-To: header, which contains the Message-ID:s of your
parent message(s).
A sufficiently advanced email client (MUA) takes all the messages,
with all of their unique Message-ID:s, and all of their In-Reply-To:
headers, and constructs a tree in memory, with all of the parent/child
relationships laid out explicitly. Then it presents this tree
structure to you, however it was programmed to do.
(*) Unless you're using Microsoft Outlook or other similar crap.
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