config question

["albert" <emmanuel @ mwt . net>]

Hello,..

I am setting up our first list,.. seedtrader@farmpride.com
and i would like to change/add to the message header.

Currently it reads:

 -----Original Message-----
 From: owner-seedtrader@farmpride.com
 [mailto:owner-seedtrader@farmpride.com]On Behalf Of albert
 Sent: Friday, May 25, 2001 4:55 AM
 To: seedtrader@farmpride.com
 Subject: RE: [seedtrader] grow

i would like the header to contain the name and address of the 
sender(behalf of)  the post so list members can easiely pick it or the
list to reply to...

our example file looks like:

message_headers <<END
X-Header-name: text of header; must be formatted HeaderName: headertext
X-Header-Name2: you can add multiple headers.

end

My question is what shall i place in there to obtain the result i seek?

thanks,..

albert.