Message-ID's vs. Resent-Message-ID

David Bremner david at tethera.net
Mon Jan 11 04:14:54 PST 2016


Tomi Ollila <tomi.ollila at iki.fi> writes:

> (One thing to remember (for anyone perhaps planning to do something about
> this) is that if we'd use Resent-Message-ID: as message identification 
> if it exists, then Message-ID: of the message should act as In-Reply-To:
> or References: -header...)

It actually seems like one of the more benign cases of message-id
collision that currently exist in notmuch. The fact that by default you
see only one copy of a message that arrived two different ways is a
design choice; it's hard to get closer than the resent message case.  I
suspect any change would have to be configurable, since most existing
notmuch users would be pretty surprised to suddenly see lots of
duplicate messages.

d



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