[Exim] Treating autoforwarded mail

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Author: Kristof Pelckmans
Date:  
To: exim-users
Subject: [Exim] Treating autoforwarded mail
Hello,

Several weeks ago, I set up a combination of fetchmail and exim. The exim mail
filtering features with .forward files led me quickly to a satisfactory
solution. However, I have still one issue that I cannot resolve. The situation
is as follows :

account A --(auto forward rule)--> account B --(fetchmail - delivery with exim -
filtering through .forward)--> local account C

So all mail that arrives in account A will be automatically forwarded to B,
where fetchmail grabs it and exim delivers it to C.

This works perfectly for all 'normal' mail that arrives at B : I can see the
original sender of the mail etc. However, when the mail was forwarded from A, I
see that the original sender of the mail is A, which _is_ correct, but not the
behavior I want to achieve. I wish to make it look as one would see the mail in
mailbox A : with the original sender.

This involves rewriting the headers you are getting, but it seems to be a
fairly complex matter. Therefore I wondered if anyone already solved this
problem, or could put me on the right track. How would you (delete?) part of
your headers ?

Kind regards,

Kristof Pelckmans

PS The headers I am getting are :

Return-path: <kristof.pelckmans@A>
Envelope-to: kristof@C
Received: from localhost ([127.0.0.1])
    by C with esmtp (Exim 3.35)
    id 17w3fc-0000Qf-00
    for <kristof@C>; Mon, 30 Sep 2002 18:45:20 +0200
Original-Recipient: rfc822;Kristof.Pelckmans@B
Received: from B [62.235.14.101]
    by localhost with POP3 (fetchmail-5.9.11 polling B account ...)
    for kristof@C (single-drop); Mon, 30 Sep 2002 18:45:20 +0200 (CEST)
Received: from A by B (6.0.053)
        id 3D8F07AA0029737A for kpelckmans@B; Mon, 30 Sep 2002 18:44:52 +0200
X-Map-MIXER-Originators: false
To: "Pelckmans Kristof"
 <Kristof.Pelckmans@B>
From: kristof.pelckmans@A
MIME-Version: 1.0
Date: 30 Sep 2002 18:44:00 +0100
Subject: Fwd:Communication Revision
Envelope-ID: JA8AAAAABBRTYQABYQACnEkbAcBU@A
Message-Id: <JA8AAAAABBRTYQABYQACnEkbAcBU@A>
Autoforwarded: TRUE
Autosubmitted: auto-forwarded
X-Mailer: TeamWARE Connector for MIME
Content-Type: message/rfc822



MIME-Version: 1.0
Date: 30 Sep 2002 17:08:00 +0100
From: X
Subject: Communication Revision
To: X
Reply-To: X
Content-Type: multipart/mixed; boundary="12002093018445139"
...