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 <87inwmyhoi.fsf@alice.fifthhorseman.net>
From: Xu Wang <xuwang762@gmail.com>
Date: Sun, 3 Jul 2016 14:25:59 -0400
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 <CAJhTkNiGnwDGrshUwBBp2g8ZxXVjNrJMOsfeWru-hUXvzJaYiA@mail.gmail.com>
Subject: Re: ask notmuch to find back "reply-to's"
To: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
Cc: notmuch@notmuchmail.org
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On Sun, Jul 3, 2016 at 9:28 AM, Daniel Kahn Gillmor
<dkg@fifthhorseman.net> wrote:
> On Sat 2016-07-02 20:28:41 -0400, Xu Wang wrote:
>> Hello all,
>>
>> I have a situation where sometimes I sync a later message. For
>> example, the following happens on times:
>>
>> 1a. sync message 1.
>> 1b. not much new
>> 2a. sync message 3 (which replied to message 2)
>> 2b. not much new
>> 3. sync message 2 (which replied to message 1)
>> 3b. not much new
>>
>> This happens because of my workflow of offlineimap. It takes a long
>> time to sync some folders so often I prefer to skip, but sometimes
>> they contain replies.
>
> on most systems, assuming standard headers, notmuch should indeed
> assemble these into the same thread.
>
> the relevant headers are In-Reply-To and References.
>
> Can you show those headers for this example?  If they have these message-IDs:
>
>  message 1: XXX
>  message 2: YYY
>  message 3: ZZZ
>
> then i'd expect the following headers:
>
>  message 1:
>    Message-Id: XXX
>     <no In-Reply-To or References>
>  message 2:
>    Message-Id: YYY
>    In-Reply-To: XXX
>    References: XXX
>  message 3:
>    Message-Id: ZZZ
>    In-Reply-To: YYY
>    References: XXX, YYY
>
>
> If notmuch has indexed them all, they should all be part of the same
> thread.

Ah good to know! I will keep eye out for this issue to pop up. I don't
have it now since I performed a clean notmuch new to build database.

Thank you for detailed response!!

Kind regards,

Xu

>
>         --dkg