notmuch does not find some mails which actually are part of a thread

[Gregor Zattler]

Hi notmuch developers,

notmuch does not find some messages searched for with their
Message-Id, while they are part of threads which can be shown
with searches for Message-Ids of other mails in the very thread:

$ notmuch show --entire-thread=false  --format=raw --exclude=false -- id:003601c7767f$99ed7a30$3800000a at Audrones
Error: search term did not match precisely one message (matched 0 messages).

An email with this Message-Id exists in the mail store and it
happens to be the first message in the following thread:

$ notmuch show  --entire-thread=true  --format=text --exclude=false --  id:69A0875BA022C84ABA2DC975490DE6810AAB54 at dissens-server.adk.dissens.de |grep ^.message
message{ id:003601c7767f$99ed7a30$3800000a at Audrones depth:0 match:0 excluded:0 filename:/home/grfz/Mail/dissens_e.V./cur/1175862594.14633_1751.pit:2,S
message}
message{ id:69A0875BA022C84ABA2DC975490DE6810AAB54 at dissens-server.adk.dissens.de depth:0 match:1 excluded:0 filename:/home/grfz/Mail/dissens_e.V./cur/1175863469.14633_3866.pit:2,S
message}
message{ id:004f01c776c2$a5587800$ef00a8c0 at frauenservice39 depth:0 match:0 excluded:0 filename:/home/grfz/Mail/dissens_e.V./cur/1175862594.14633_1776.pit:2,S
message}
message{ id:69A0875BA022C84ABA2DC975490DE6810AAB5A at dissens-server.adk.dissens.de depth:0 match:0 excluded:0 filename:/home/grfz/Mail/dissens_e.V./cur/1175863469.14633_3881.pit:2,S
message}

there are 4 messages in the thread, the 4 respective file names
are correct.

The mails are special insofar as message 1 is essentially the
same as message 2 which seems to be a bounced and somewhat
mangled version of message 1, the same is true for messages 3 and
4 respective.

But nonetheless these are legitimate mails, but messages 1 and 3
cannot be found with their respective Message-Ids.


Any ideas why this happens?

Ciao; Gregor
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