[Exim] exiscan corrupting Subject: header?

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Author: Jim Savoy
Date:  
To: exim-users
Subject: [Exim] exiscan corrupting Subject: header?
Hi all,

         I have a rather bizarre problem. I have two *almost*
identical machines (A & B) with MX 10 and MX 20 records
associated with them.


Machine A: Linux RedHat 7.2, exim 4.04, exiscan 4.04-5,
                   sophos 3.57 (libsavi.so.2.2.03.095), sophie 1.33rcb


Machine B: Linux RedHat 7.2, exim 4.04, exiscan 4.04-5,
                   sophos 3.58 (libsavi.so.2.2.03.098), sophie 1.37


Machine A works perfectly. Machine B delivers mail perfectly,
but the Subject: is always missing from the headers and replaced
with:

"X-Scanner: exiscan for exim4 (...etc)" followed by a blank line.
What this does is cause the header section to end, and the rest
of the headers (including the Subject: and a second X-Scanner
line) to be considered as part of the body of the message. It
makes a mess of the message, and there is no Subject: header
to boot.

I can only assume I somehow screwed up somewhere when
installing the above-mentioned software on Machine B, but
I cannot find where and when this header re-writing is taking
place and because the X-Scanner header is always being inserted
where the Subject: should be, can only assume this is an exiscan
problem.

I ran this command:

# ./exim -d+all savoy@??? < foo.txt

where foo.txt contains the following text:

Date: Tue, 04 Jun 2002 10:15:00 -0600
Subject: test

and see nothing in the results that would show me where the
Subject: was stripped and replaced with X-Scanner and a blank
line. Any ideas where I can look or how to troubleshoot this
problem? Thanks!

- jim -