[SURBL-Discuss] Spam in progress bit ...

Jeff Chan jeffc at surbl.org
Thu Aug 10 04:03:31 CEST 2006

On Wednesday, August 9, 2006, 3:20:58 PM, Eric Montréal wrote:

>>> On 09/08/06, Eric Montréal <erv at mailpeers.net> wrote:
>>>> also, since most legitimate mailing lists are to recipients in close
>>>> geographic proximity,

> Major lists whose distribution is to as many different servers as a spam 
> run have little chance to
> be sent from a domain listed in surbl.

> When was the last time Microsoft got listed in surbl ?

> Smaller lists might end up being sent from a false positive domain and 
> the idea is that surbl test pattern
> (queries/minutes, burst/continuous, historical comparisons, geolocation 
> and perhaps other metrics) should
> allow to differentiate between such a list and a spam run.

> An antispam service such as surbl does have a far more complete picture 
> on a global scale than anyone
> operating some mail servers. The access pattern such a service will see 
> is mirroring major spam runs,
> and this could be exploited. That was the basic idea.

It's an interesting idea.  Does anyone have any research or
references about the geographic distribution of spam versus ham?
Presumably it's been studied.

Surely there is some ham that's sent pretty much without regard
to geographic boundaries.  After all, the Internet does include
some global interests (other than pills, warez, mortgages, etc.).

Jeff C.
Don't harm innocent bystanders.

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