The Bison lists haven't been moderated, but as it happens someone recently volunteered to moderate them so things should be improving in the near future.
I do not get essentially any spam at all, thanks to the SU filter. I get my spam marked mail sorted into a special spam directory. I do, though, check my spam marked mails for mistakes every once in a while. But the setup measures I do not have to do that very often. I am not sure what this means in terms of the GNU lists, but I think they are loosely moderated, with a filter looking for certain keywords and such. Sometimes it has happened that my mail has been caught, and forwarded to a moderator.
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Hans Aberg
