Sebastian Grewe wrote: > Maybe I just fed it better files back then or spam was more obvious back > in the days ;-)
Are you saying that your spam is better than my spam? ;-) I do now see a lot of spam that is full of hashbuster text, specifically designed to 'poison' or dodge Bayesian filters. That might explain why DSPAM struggled more when I tried to train it. Angus > Cheers, > Sebastian > >> On 11.07.2014, at 20:15, "Angus McIntyre" <[email protected]> wrote: >> >> Eric Shubert wrote: >>> P.S. Anyone else using DSPAM? >> >> I set up DSPAM and have it running, but I haven't had much luck with it. >> >> I have a vague memory of seeing someone claim that you could train DSPAM >> using only 'spam' samples (no 'ham'), so I fed it my entire spam archive >> for the month, with only a very small number of 'ham' examples. >> Afterwards, DSPAM decided that all email was spam. (Granted, that >> probably >> gives it a false-positive rate of about 3%, but still). >> >> I then blew away its databases and tried to train it more selectively, >> letting it rate everything and forcing it to re-learn (as Spam) any >> messages that it had wrongly classified as Innocent. Unfortunately, I >> never seemed to be able to even "move the needle": feeding numerous >> samples of a highly-recognizable type of spam only reduced DSPAM's >> confidence that they were Innocent, but it never seemed to tip over into >> considering them Spam. I think the best that I ever got was a verdict >> that >> some particularly flagrant piece of spam was only Innocent with 60% >> probability. >> >> I should work out a more intelligent training regime and see if I can't >> get it to behave as advertised, but for me it certainly hasn't been the >> 'out-of-the-box' spam-recognizing miracle that it has been for some >> people. >> >> Angus >> >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > -- --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
