Mail gives more information the I want

So just recently mail started provided me with information about incoming emails that I do not want. Info like:

Return-Path: davidp@mailhost.reed.edu
Received: by rosencrantz.reed.edu (blitz.reed.edu) via SMTP from letra.reed.edu [134.10.2.35] for id <12178322> 21 Apr 2003 15:26:13 PDT
Received: from hal.reed.edu (hal.reed.edu [134.10.15.54]) by letra.reed.edu (8.12.9/8.12.9) with ESMTP id h3LMQClD017386 for <elliot.chase@reed.edu>; Mon, 21 Apr 2003 15:26:12 -0700 (PDT)
Received: (from davidp@localhost) by hal.reed.edu (8.10.2+Sun/8.10.2) id h3LMQC008334; Mon, 21 Apr 2003 15:26:12 -0700 (PDT)
Message-Id: <200304212226.h3LMQC008334@hal.reed.edu>
In-Reply-To: <C7E1B4CA-7446-11D7-A405-000393AAAF96@reed.edu> (message from Peter Elliot Chase on Mon, 21 Apr 2003 15:15:38 -0700)
References: <C7E1B4CA-7446-11D7-A405-000393AAAF96@reed.edu>
Status: RO

How do I get mail to stop doing this? Thanks

That didn't seem to fix it arn.

that did it....thanks arn