On Tue, 4 Feb 1997, Barak Moshe wrote:
> 1. Can one send commands to the listserv via the subject line?

No.

> 2. How does the listserv know the name of the subscriber? i.e., which
>    header field is used?

It is stored in the 3rd and 4th tokens of the command line.

> 3. More generally, can one set a single button in an HTML file
>    that would subscribe/unsubscribe to the list? Something of the sort:

No.

I can send you (or this list if there is enough interest) the sub.html and
sub.cgi files that I have on the National Fuel Gas Press Release site.

Jim...