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From: David Bremner <david@tethera.net>
To: Erik Quaeghebeur <notmuch@equaeghe.nospammail.net>,
 notmuch@notmuchmail.org
Subject: Re: What to do with messages lacking a Message-ID
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References: <1793345.AM1NXn4izx@sysoppad>
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Date: Wed, 13 Jan 2016 20:10:48 -0400
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Erik Quaeghebeur <notmuch@equaeghe.nospammail.net> writes:

> It appears that I have some old messages that lack a Message-ID. Is
> there any preferred approach to dealing with this? How does notmuch
> react if such a message is inserted?

notmuch will generate one based on the sha1 hash of the message file