Spam emails loaded with random words ?

Post #137,388 by dmarker 1/23/04 7:22:04 PM Reply	Spam emails loaded with random words ? Seem to be geeting more & more of these lately. Does anyone know the purpose ?. One day I received a spam mail with about ten 'tags' that were something lide <<random word>> <<random word>> etc: etc: etc: I know there is a method to the madness, just can't quite twig t it. Doug M
Post #137,389 by deSitter 1/23/04 7:23:16 PM Reply	ObResidentBrit Bayesian filter poison -drl
Post #137,391 by tjsinclair 1/23/04 7:25:40 PM Reply	Spam filter poisoning These are intended to mess up the Bayesian filtering software that most spam-blockers use to identify whether an e-mail is junk or not. I'm noticing more of this myself. All part of the escalating war between spammers and humans. Tom Sinclair The question seldom addressed is where Medusa had snakes. Underarm hair is an even more embarassing problem when it keeps biting the top of the deodorant bottle. -- (Terry Pratchett, Soul Music)
Post #137,419 by admin 1/23/04 10:12:02 PM Reply	It's working, too. Many of the periodic spams my filter used to get are now making it through. Regards, -scott anderson "Welcome to Rivendell, Mr. Anderson..."
Post #137,435 by tjsinclair 1/23/04 11:09:29 PM Reply	I'm noticing Mail.app uses a Bayesian junk mail filter and I've been noticing more false positives and false negatives lately. This has been a topic of discussion in my Machine Learning class, where we, coincidentally, are coding up Naive Bayesian algorithms. Fascinating stuff, all in all. Tom Sinclair The question seldom addressed is where Medusa had snakes. Underarm hair is an even more embarassing problem when it keeps biting the top of the deodorant bottle. -- (Terry Pratchett, Soul Music)
Post #137,459 by Ashton 1/24/04 3:07:08 AM Reply	obv stat-babe question - Test for {particularly obtuse} thus new filter category - and yes, I see that this might require the overhead of a quick-dictionary test 1, 2, 3, .. n ==> yup, It's Random Shit: don't accumulate. Then too, if it's PGP - - :(

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