List properties (was: Re: Spam?!?!?!? Re: FreeMware)

[Lukas Gruetzmacher]

>  One thing, though: The niftier kinds of mailing lists add an identification
> tag to the subject line, like [FreeMWare].

For what do you use such a id tag? For divide into mail folders? Use the
header field Sender. It contains "owner-freemware@...".

Lukas