Preventing crap email from google?

[Walter Hurry]

On Mon, 22 Oct 2012 13:51:35 +1100, Ben Finney wrote:

> Walter Hurry <walterhurry at lavabit.com> writes:
> 
>> It is Google bloody Groups which is the problem. I should have plonked
>> posts from there ages ago, and am about to remedy that omission.
> 
> What narrowly-defined, precise filter rule should be used for this
> purpose?

Depends on how you read the list, I think. In my case, via Usenet 
(comp.lang.python) with Pan, so I shall filter on "googlegroups.com" in 
the Message-ID.