Bayesian filter |
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rmckee22 
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 Topic: Bayesian filterPosted: 14 April 2004 at 2:57pm |
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How can I tell if the Baysian filter is working? We have over 65,000 good and bad e-mails but we still get a ton of spam. Is there a file that I can check that tells me how many have been blocked by the Bayesian filter?
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Desperado
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Joined: 27 January 2005 Location: United States Status: Offline Points: 1143 |
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Posted: 14 April 2004 at 5:40pm |
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Bob, There are several ways to check this. First and least efficient, you can manually go through the log files and look for an entry that looks like "04/14/04 17:19:29:451 -- (4288) EMail from brian@celineclub.com to user@domain.net matches Bayesian filter - rejected - 100% spam (78ms)" There is also a program called Sawmill that will read your mail logs and give you some very nice graphical statistics. Another thing you can do if you only want to see the messages still in quarantine (assuming you have a database is to issue a query directly to the DB such as: SELECT * FROM "tblQuarantine" WHERE (RejectID = 14) OR if you just want to return the quantity: SELECT COUNT(RejectID) FROM "tblQuarantine" I hope this helps Regards, Dan S. |
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LogSat
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Joined: 25 January 2005 Location: United States Status: Offline Points: 4105 |
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Posted: 15 April 2004 at 12:13am |
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Bob, Dan was correct in his response. Furthermore, if you'd like to know more about what the various filters are blocking, issuing the following query on the database will provide you more with info on how many emails each filter is blocking. Roberto F. SELECT tblQuarantine.RejectID, tblRejectCodes.RejectDesc, COUNT(tblQuarantine.RejectID) AS Total |
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rmckee22
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Posted: 15 April 2004 at 1:53pm |
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A few more questions, in order for the bayesian filter to work, do you need to have keyword filtering enabled? Do you need to have the quarantine database enabled? Also, is there instructions anywhere on how to configure this filter to work? |
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LogSat
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Joined: 25 January 2005 Location: United States Status: Offline Points: 4105 |
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Posted: 16 April 2004 at 1:13am |
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Bob, The Bayesian filter "learns" about good and bad emails as SpamFilter receives traffic. What your current filters identify as spam is fed to the learning engine. You should continue to use the filters that you normally use, in any combination so that SpamFilter can learn what they block. The quarantine database does not need to be active for the Bayesian filter to work. Configuration on behalf of the admins is minimal. You simply have to select a threshold which indicates the probability of an email to be spam in order to be rejected. The closer the threshold is to 100%, the more an email has to "resemble" your typical spam in order to be rejected. Higher thresholds mean lower false-positives, but also will allow mor spam to slip thru. Roberto F. |
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Judu
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Posted: 16 April 2004 at 9:54am |
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filter kicking in?
EMail from *** to *** passes Bayesian filter - 0% spam (0ms) < havent seen one say > 0% running v2.0.1.302 query
corpu.ini [Messages] Thanks |
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Desperado
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Joined: 27 January 2005 Location: United States Status: Offline Points: 1143 |
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Posted: 16 April 2004 at 2:57pm |
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It looks like you have at least 4 in there: Here is what I get when I run the same query: 14 Statistical Analysis filter match 5042 Regards, Dan S. |
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