Anyone from BT...

Tue Jan 23 16:38:08 UTC 2007

On Tue, 23 Jan 2007, Chris Edwards wrote:
>
> Aside from the invalid mails, this article suggests they're mostly
> identifying spam by the source IP (ie. their customer's IP) being listed
> in a DNSBL.  So how come they need this super-duper real-time content
> scanning infrastructure ?  Why wouldn't they download the DNSBLs, and
> simply run an offline grep for entries in their own IP space ?

I understood from the article that they were just describing an early
prototype and that they were planning to add content scanning checks
later - see the "other spam detection techniques" section.

Tony.
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