[IMC-Tech] File 13 for Email, I Give Up

[David Gehrig]

Apparently there's a way to interface Mailman with SpamAssassin, which
should cut down much but not all of the spam.  I'll investigate.

@%<

On 10/16/06, Joe Futrelle <futrelle at shout.net> wrote:
>
> Mailman's issue with its crappy admin interface is longstanding and I
> don't think we can wait for it to be fixed. That said, I'm as unclear
> as Stuart about how to interpose an open-source spam filter between
> incoming mail and whatever's running the distro lists--Mailman or its
> eventual replacement. Rolling our own spam filter with heuristics
> will only buy us time.
>
> --
> Joe Futrelle
> Person
>
>
> On Oct 16, 2006, at 10:21 AM, Stuart Levy wrote:
>
> > On Mon, Oct 16, 2006 at 09:06:47AM -0500, Mike Lehman wrote:
> >> Hi Dan,
> >> I am going to have to give up on trying to manually extract email
> >> domains to be banned.  The problem has just gotten too big and it
> >> takes
> >> too much time to do this by cutting and pasting. The last list of
> >> names
> >> of below my sig.
> >>
> >> I think it is clear that Mailman is totally inadequate, like Dada
> >> was,
> >> for dealing with spam given the current state of internet abuse.
> >> Banning
> >> individual email accounts, which is the only option admins have, is
> >> pointless. Unless Mailman can be configured to ban email domains with
> >> one click, I think we really need to explore other solutions. Even
> >> that
> >> solution seems to only be a stopgap, without some sort of strong
> >> whitelist or other features to automatically start weeding out
> >> spam posts.
> >> Mike Lehman
> >
> > Curious -- are there simple patterns in the spam that gets through?
> >
> > Almost all of the stuff that slips through the filters to the
> > peace@ and peace-discuss at lists.chambana.net lists
> > is stock-pumping spam which has, so far, a pretty reliable structure:
> > a randomly generated From address, 1- to 3-word random english title,
> > a bunch of innocuous English text and then an attached ".gif" image
> > containing the stock ad.  We're getting maybe 50 of those per list
> > per day --
> > there's other stuff, much detectable with simple patterns like PH[a-
> > z]*RMA,
> > but little enough gets through to be noise.
> >
> > Would it be appropriate simply to ban image attachments (gif/jpeg/
> > png),
> > is there any way to do that?   Detecting them looks straightforward
> > with procmail,
> > but I don't know how mail gets fed into mailman.
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