Re: False positives (was Re: [Asrg] Re: RMX Records)

On Wed, 5 Mar 2003, Terry Carmen wrote:

> Small companies routinely get several hundred, up to several thousand
> spams/day.

That's manageable, and a couple of orders of magnitude less than what
Alan gets.

> I found the biggest improvement by blacklisting Korea and China.

Yes, that works pretty well.  Nigeria and Brazil too.

> Unfortunately, this still wastes my bandwidth.

To the point where you actually have to pay more money?

> At some point in the world of spam, there is a network operator who has
> allowed a spammer a connection. This may be an ISP, Network Provider or
> simply an open relay. It really doesn't matter. The place where the mail
> enters the netwok should feel pain for polluting our space.

Right; I agree.  And there are ways to do that even now:

- Tempfail suspected spam until it is accepted or rejected by a
person.  This works well for small organizations with spare bandwidth.
It won't work for large organizations, unfortunately, but if enough
small people do it, the open-relay or spam server will feel the pain.
Each recipient will pay for a little bit more bandwidth; the relay will
pay for a lot more bandwidth plus clogged queues.

- Litigate.  The US is lawsuit-happy; even the threat of being sued
would probably make an ISP crack down on spammers or an open relay
mend its ways.

- Blacklist.  If ISP's refuse to play ball, blacklist them.

--
David.
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