david avery wrote:

> 
> not really - since most of the spam is coming in thru the maillist gateway
> not thru the newsserver
> 
> 

but the maillist gateway can be filtered, cant it?
for example, kernel.org filters html email.

from http://www.kernel.org/pub/linux/docs/lkml/#s3-9:
"Some structures are forbidden as they appear to be used way too much in 
SPAM mail. Specifically, messages with Content-Type: text/html either as 
the only (primary) message, or as ANY of component sub-messages are
considered spam, and rejected outright without any info to the sender."

and i guess a word-based filter would be easier to implement than a
content-type filter


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