Sounds like just another derivative of a scoring system like SA, ASSP, etc.
> On Jan 21, 2016, at 4:27 PM, Marc Perkel <supp...@junkemailfilter.com> wrote: > > Because it works on NOT matching instead of matching they don't get the same > advantages as matching systems. If they try to fake one of those subjects it > only helps them pass one of hundreds of tests. So at best their fake will > make an opportunity to detect ham become neutral on the phrase. > > Poisoning doesn't work against my system. Misspelling makes it easier to > identify spammers. And eventually the spammer has to convince you to do > something and that's where they get caught. > > > On 01/21/16 13:17, Mark Jeftovic wrote: >> Wouldn't spammers simply download this list and start using them in spam? >> >> Even absent the list, knowing the methodology is enough to start >> countering it. >> >> - mark >> >> >> On 2016-01-21 3:45 PM, Marc Perkel wrote: >>> Just to follow up on this. I'm in the process of improving the filter. >>> But I have filed my provisional patent so i'm going to give you an >>> overview of how it works. >>> >>> Most spam filters work by matching things. Matching ham and spam. >>> Matching rules. The important point here in this is this new system I'm >>> calling the Evolution filter is about NOT matching. >>> >>> Suppose I sent you an email with the subject line "Let's get dinner". >>> You can tell instantly this is good email. How? Because spammers never >>> say "Let's get dinner". >>> >>> There are millions of phrases used in good email every day that are >>> never used in spam. And - there are millions of phrases used everyday in >>> spam that are never used in good email. So if I get an email that >>> matches phrases used in good email and never used in spam - it's a good >>> message. And if the messages contains words and phrases used in spam and >>> never used in ham - it's spam. >>> >>> So - how do I get a list of all phrases never used in ham or never used >>> in spam? I make a list of all words and phrases used in ham and spam and >>> test to see if it's NOT in the list. To illustrate my point, >>> >>> Here is a list of 5505874 words and phrases used in the subject line of >>> HAM and never seen in the subject line of SPAM >>> >>> http://www.junkemailfilter.com/data/subject-ham.txt >>> >>> Here is a list of 3494938 words and phrases used in the subject line of >>> SPAM and never seen in the subject line of HAM >>> >>> http://www.junkemailfilter.com/data/subject-spam.txt >>> >>> The thing about not matching is that matching involves finite sets. Not >>> matching involves infinite sets. And infinite sets are always bigger >>> than finite sets. >>> >>> Here in a link to my patent. >>> >>> http://www.junkemailfilter.com/patent/ >>> >>> What I intend to do is to give it away to the little guys and charge the >>> big guys a small license fee. The process of implementing this is fairly >>> easy. I'm hoping to encourage the open source world to take this idea >>> and do it right. My code it cobbled together and uses 4 different >>> languages. But the concept is enough to get you going. >>> >>> One thing you will need to implement this is Redis. Redis is extremely >>> fast at set comparisons and set comparisons is how this works. It's can >>> be expressed as one formula. >>> >>> score = card(SpamCorpus intersect TestMessage diff HamCorpus) - >>> card(HamCorpus intersect TestMessage diff SpamCorpus) >>> >>> I'm seeing an accuracy level that is so close to 100% it's scary. It is >>> especially good at actively identifying good email to prevent false >>> positives. >>> >>> I will post more soon as it all comes together. >>> >>> >>> >>> >>> _______________________________________________ >>> mailop mailing list >>> mailop@mailop.org >>> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > > -- > Marc Perkel - Sales/Support > supp...@junkemailfilter.com <mailto:supp...@junkemailfilter.com> > http://www.junkemailfilter.com <http://www.junkemailfilter.com/> > Junk Email Filter dot com > 415-992-3400 > > > _______________________________________________ > mailop mailing list > mailop@mailop.org <mailto:mailop@mailop.org> > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > <https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop>
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