[Pkg-exim4-users] Exim, Sympa Mailing list manager and broken threading with added Message-ID to messages with no Message-ID from Outlook

[Paul Menzel]

Dear list,


I am using Sympa [1], Exim 4 from Debian Lenny. Yesterday I noticed that
an answer to a message on the list was not threaded correctly. It turns
out that the message id in my copy of the original message was different
than the message id from the message of the replier.

The original message was written with Outlook.

X-Mailer: Microsoft Office Outlook, Build 11.0.5510

It looks like that Outlook does not add a message id to a message if not
delivered by Exchange [2].

Now the problem is that Sympa seems to queue(?) each message for a
recipient/subscriber of the list separately so that Exim adds a
different message id to each copy of the message for each subscriber.

Does anyone know a solution for this problem?


Thanks,

Paul


[1] https://www.sympa.org/
[2] http://www.terryfrazier.com/fullThread$msgNum=1526#msg1526
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