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Date: Tue, 21 Jul 1998 13:00:04 -0100
From: YourLongDistance@co.com
Message-Id: <199807211400.NAA09916@futurnet.es>
To: <chris@lanets.com>
Subject: *Read* Call Long Distance For Free
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>nslookup 195.76.98.3
Server:  ns.mediacity.com
Address:  205.216.172.10

Name:    futurnet.futurnet.es
Address:  195.76.98.3
Relaying server located.

That's as good as this gets, as this mis-configured server does not show the originating point.