On Tue, Mar 19, 2002 at 12:57:30PM -0800, Craig Hughes wrote:
| On Tue, 2002-03-19 at 06:22, dman wrote:
| > Just for elightenment, take a look at the newsletters again. Do they
| > sound at all similar to spam messages you've seen? SA is only a text
| > processor, not an actual human, so it can only do so much. There are
| > some legitimate mails that are so similar to spam mails that it is
| > nearly impossible to automatically differentiate.
|
| Actually, something I've noticed is that otherwise legitimate-looking
| email frequently gets tripped up by an ad tacked on the bottom of the
| mail -- this happens with mailing lists trying to support themselves,
| but also with things like Yahoo mail or hotmail inserting their stuff at
| the bottoms of messages.
Yeah, that too.
| I've been trying to think of a way to spot those "semi-spam" sig's
| and not score them as high, without giving an easy way for spammers
| to sneak through. Any thoughts?
My thoughts are to boycott such annoying services as much as possible.
Seeing such massive amounts of worthless text in every email is
annoying.
One filter I've tried to create (but not successfully yet) is one that
unmunges subjects and trailers. In particular I want to remove the
subject tags and unsubscribe instructions that some mail lists include
(they belong in headers like List-Id: and List-Unsubscribe:) or the
disclaimers and virus-scanned notices some people include.
Are the yahoo, etc, ads sufficiently structured so they can be
reliably stripped out prior to SA's scanning? If so, then such a
filter could be very useful -- remove the ad (you don't want it
anyway, do you?) before it has a chacne to trip up SA.
-D
--
Better a little with righteousness
than much gain with injustice.
Proverbs 16:8
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