Re: Identifications dealing with Bulk Unsolicited Messages (BUMs)

[Brian E Carpenter <brc at zurich.ibm.com>]

On 2007-02-21 17:07, Tony Finch wrote:
> On Wed, 21 Feb 2007, Brian E Carpenter wrote:
> > Blacklists at the level of sending domains (or reputation systems
> > that function like blacklists) are a failure.
>
> I was talking about IP address blacklists.

Right. That can work, of course.

> Perhaps 90% was a bit
> over-optimistic - my stats from cam.ac.uk show more than 80% of spam dealt
> with by DNS blacklists and another 10% with a few other simple checks.

Interesting. Do they also run content filters?

   Brian


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