>I'll say it again... I think the list should accept posts only from its
>members.
No.
If you lack the skill or will to setup your own filtering go somewhere else.
Degrading the media to the lowest and stupidest common denominator already
happened in many places - Usenet, Well and practically any moderated
web forum. There are enough fora where convenience and lazyness take
precedence over freedom and lack of censorship.
The purpose of current spam subscription attacks is exactly this - eliminating
untraceability - and whether you are willing or unwilling participant in
that effort makes no difference.
The goodness of these spam attacks is that they will eliminate technically
challenged.
Go away.
You don't want to ? See, that is the advantage of cpunks. No one can make you
go away. But I sure can filter you out.