procmail will do it.  I've been filtering those little blocks of #s and
letters successfully for a while now.  Add this little recipe to your
cookbook:

:0
* ^Subject:.*\      [a-z0-9][a-z0-9][a-z0-9][a-z0-9].*
  /dev/null


michael stone

university of texas at austin
mechanical engineering
multimedia admin
etc 3.132 ph: 471.9657
dp: 478.4388 #2153
[EMAIL PROTECTED]

On Fri, 5 Oct 2001, Lawrence J. Huang wrote:

> On Fri, 5 Oct 2001, Jeffrey Yasskin wrote:
>
> > Does everyone know how to complain to spammers' ISPs? If all of us
> > complain, they might do something. (Yeah right.)
> > If someone doesn't know how, I'll write up or link to a tutorial.
> >
> > The idea to limit posts to subscribers is probably better for just
> > avoiding spam.
>
> I've had problems with "these" spammers before... they use open SMTP
> servers to send out their mails and obviously spoof their originating
> addresses.  Complaining to "their ISPs" wouldn't do much good, and there's
> virtually an infinite number of alternatives for these spammers if one
> SMTP server gets blocked.
>
> If you've noticed, though, almost all of the e-mails sent by these
> spammers have some sort of funky 5-6 letter block at the end of their
> subject lines, so maybe it could be filtered with procmail?
>
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