> But for mailing lists it would be annoying to have to add an > extra-header each time you want to write to the list. And there are > people who don't use mutt or gnus and can't easily add arbitrary > headers. I really think that this auto-approval thingie is just a > temporary measure until we do something better.
How about keeping a whitelist database in which the users can add themselves by sending a mail in certain format to something like "[EMAIL PROTECTED]"? Only after that would mail from that address be accepted without bouncing. That should filter out most of the spam. - Jarno