changing of "c2.org" to "c2.net"

[http://dummy.us.eu.org/robert (Robert)]

I am experiencing problems due to the change in name of "c2.org" to "c2.net".
I am attempting to unsubscribe to a mailing list and it won't let me.  I
attempt to change my "From: " field to be "http://dummy.us.eu.org/robert";, but sendmail or
something after that changes it to "http://dummy.us.eu.org/robert";.

Thanks.

>From http://dummy.us.eu.org/robert  Wed Mar 14 21:15:16 2001
Encrypt: on
To: noelle
Subject: Child free research project
Bcc: noelle
From: http://dummy.us.eu.org/robert (Robert)
Date: Wed Mar 14 21:15:16 EST 2001
Message-ID: <GBAgAGQ5rQQLKUIPFgEBQg@robert>
Status: OR

--- Forwarded mail from Jill Rose Kohn <http://www.pacbell.net/~jillkohn>

Date: Tue, 13 Mar 2001 17:33:01 -0800
From: Jill Rose Kohn <http://www.pacbell.net/~jillkohn>

Hi there.  My name is Jill Rose Kohn and I am a child free researcher
earning my Ph.D.  in  Psychology.  I am interested in looking at
traditional gender role attitudes among people who choose not to have
children as I believe my research will help make a contribution to
dispelling many of the myths about people who choose not to have
children.  I would like to ask the voluntary participation of members
from your chapter.  Participation means filling out a brief
questionnaire and demographics form.  All forms are anonymous.  I can
send you information for you to distribute (I will pay all postage) or
do it in some other way that is comfortable for you.  I can be reached
at 323-465-0733 or via reply e-mail.  I'm happy to answer any questions
you may have and hope that you choose to participate.  Please respond
either way.  Thank you.  Sincerely, Jill Rose Kohn

--- End of forwarded message from Jill Rose Kohn <http://www.pacbell.net/~jillkohn>