mail headers - why do they differ?

[Sam Varghese <sam@gnubies.com>]

I was looking at the Debian mailing list archives
for some info this morning and came across one
of my old postings. The headers read as under:

To: debian-user@lists.debian.org
Subject: exim problem - rejecting senders
From: Sam Varghese <sam@gnubies.com>
Date: Sun, 30 Sep 2001 15:15:36 +1000
Mail-Followup-To: debian-user@lists.debian.org
Sender: Sam Varghese <samuel@gnubies.com>
User-Agent: Mutt/1.2.5i

I was quite surprised to see the Sender line.
Out of curiosity, I checked the same message
in my back-up folder and saw these headers:

>From sam@gnubies.com Sun Sep 30 15:15:36 2001
Date: Sun, 30 Sep 2001 15:15:36 +1000
From: Sam Varghese <sam@gnubies.com>
To: debian-user@lists.debian.org
Subject: exim problem - rejecting senders
Message-ID: <20010930151536.A27191@sammo.gnubies.com>
Mail-Followup-To: debian-user@lists.debian.org
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.2.5i
X-Sender: sam@gnubies.com
Status: RO
Content-Length: 767
Lines: 24

Some time back, I had the same problme but dman gave
me some tips on configuring my muttrc and they seemed
to have gone away.

Why does this Sender line come out as samuel@....?

True, I log in to my workstation as samuel - should I
change this to sam? And would it suffice to change the
username in /etc/passwd and /etc/shadow and then reboot?

I'm confused and would appreciate some input on this.

Sam
-- 
(Sam Varghese)
http://www.gnubies.com