For individual e-mail distribution (non-moderated),
no support for it in the subject: field.
DIGEST or INDEX distribution would place the listname
in the Subject:. Here's an example of an INDEXed distribution:
Date: Fri, 1 Dec 1995 15:00:16 -0500
Reply-To: [log in to unmask]
X-Sender: Computer-assisted Reporting & Research <[log in to unmask]>
From: Automatic digest processor <[log in to unmask]>
Subject: CARR-L Index - 30 Nov 1995 to 1 Dec 1995
X-To: Recipients of CARR-L indexes <[log in to unmask]>
-- co-owner INFOSYS, TQM-L, CPARK-L, ERAPPA-L, JANITORS, LDBASE-L, et -L
URL:mailto:[log in to unmask] "IRA professional list-owner"
Favorite LISTSERV list: LSTOWN-L Favorite LISTSERV cmd: DATABASE Search