% diagram A1-4

\verbatim
Received: From localhost.DELAWARE by udel-dewey.DELAWARE id a022713
          ;28 Feb 85 2:27 EST
To: uci@udel-dewey
Subject: test message
Date: 28 Feb 85 02:27:16 EST (Thu)
Message-ID: <4057.478423636@udel-dewey>
From: mrose@udel-dewey
X-KDS-ID: 17 (Marshall T. Rose)

mumble, mumble.
?endverbatim