Router Logs get appended to message

[Marco Hernandez <marco@yukon.cren.org>]

Has anyone seen this before ... 

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From:   Marco Hernandez <marco@yukon.cren.org>
To:     marco@list.cren.net
Subject: test
Message-Id: <95Jan11.090643-0500_(est).79746-1@yukon.cren.org>
Date:           Wed, 11 Jan 1995 09:06:39 -0500

123
<95Jan11.090643-0500_(est).79746-1@yukon.cren.org>: address:
marco@yukon.cren.or
g
<95Jan11.090643-0500_(est).79746-1@yukon.cren.org>: address:
marco@list.cren.net
<95Jan11.090643-0500_(est).79746-1@yukon.cren.org>: recipient: local
marco@list.
cren.net marco

Where the router logs get appended to the outgoing and incomming
message ?  Any hints clues ...

/Marco