Quoting Hubert Chan (hackerhue@geek.com):
> I wonder if it might be possible to filter out the spam and not allow it
> to show up on the list until it gets approved (i.e. the advertising bill
> gets paid). I know that spam filtering is a tricky problem, but we
> should be able to cut back some of it. Or we can do something like the
> Progeny lists seem to be doing: non-subscribers to the list must have
> their posts approved.
Do you realise the amount of email sent by non-subscribers ? :)
I think it's a great idea (and i've uttered it before), but you have to find
the volunteers..
Keeping senders that have had an approved post in a database, allowing those
to send un-approved emails might work too.