What about a program like:
http://freshmeat.net/projects/dcc-source/
I haven't looked into it, but it looks like a way to help filter the mail by
comparing checksums of messages with a repository. Then you aren't blacklisting
whole email systems, just the spam itself.
> Use a spam clearinghouse to report spam and get the IP blocks into an RBL service.
>
> If you use postfix as your MTA you can use the lines below to stop a LOT of spam.
> With the combined config below and regexp matching I stop 99.999% of incoming
> spam to all domains I handle. Whatever gets thru is added to "header_checks".
>
> WARNING: There are a LOT of misconfigured email systems out there and
> you will stop a lot of legitimate mail from clue deprived admins.
> The good news is they will get a 4xx error and if you check your
> logs, you can whitelist the mail servers you want mail from.
> Make sure you understand what the lines below will do before even
> attempting to apply this ruleset to postfix.
> I have left out "header_checks" and "body_checks" since you will
> want to set them up yourself and I have over 559 regexp entries
> that are pretty harsh like rejecting email from "com.ar"
>
> NOTE: Order of the checks is important, keep that in mind.
>
> maps_rbl_domains = relays.ordb.org,
> relays.visi.com,
> inputs.orbz.org
>
> smtpd_recipient_restrictions = permit_mynetworks,
> reject_unauth_destination,
> reject_maps_rbl,
> reject_invalid_hostname,
> reject_unknown_hostname,
> reject_unknown_sender_domain,
> reject_unknown_client,
> reject_non_fqdn_sender,
> reject_unauth_pipelining,
> reject_non_fqdn_hostname,
> permit
>
>
> On Sun, Mar 17, 2002 at 02:00:46AM -0800, mike wrote:
> >
> > Quick question. I hate spam like the rest of us. I
> > am just thinking out loud, and would like feedback.
> > What if I set up a web site giving e-mail address, and
> > offensives of people doing this spamming, and post it
> > on the web and asked people to e-mail these
> > offensivers? Do you think that might help at all? I
> > am thinking if the billing, tech support, and admin
> > contacts receive several contacts a day on the same
> > issue, then maybe they will take notice. Then there
> > is the legal sitution that I might be held
> > responsivable for. If anyone has any thought on this
> > idea let me know. I am sick of spam! I am sorry for
> > the spelling.
> >
> > mike
> >
> > __________________________________________________
> --
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