Exim tracking headers not showing up

Spam is coming from my server and I have no way of tracking it. Why arent the exim tracking headers showing up?

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From: "Vicki Correa" <xbkzqt@technotown.net>
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Subject: OEM software at wholesale prices magma
Date: Tue, 21 Dec 2004 11:00:43 -0600
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