[thechat] Bayesian Filters

Martin Burns martin at easyweb.co.uk
Thu Mar 31 12:56:41 CST 2005


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On 31 Mar 2005, at 01:35, Chris Hardy wrote:

> chris, if you're using os X, then Mail is a good client

Yeah, I'd go along with that. It has bayesianesque spam filtering. The  
only annoying thing I find is that it doesn't have a button or a  
keyboard shortcut to 'previous/next message'. It's beautifully  
AppleScriptable too, as you see from my sig.

There's also Thunderbird of course...

Both of these can use scoring put in mail headers by say SpamAssassin  
as part of their Spam detection.

On 31 Mar 2005, at 00:45, <thechat at cjmarsh.com> wrote:

> Also, does anyone
> have a recommendation for software that will successfully limit spam
> receipt possibly using heuristic methods; again for the Mac?

As a client? Or running as a server? (I used to run  
fetchmail/SpamAssassin/UWash IMAP locally to get and spamcheck mail  
from an external pop server)

Generally, I'd caution against heuristic methods - you're then manually  
taking part in an arms race. Statistical methods are less work and give  
very very good results.

 From my DSPAM:

Performance Statistics
Your spam filtering accuracy is	99.891% since last reset
Your false positive rate is	5.922% since last reset
Your overall accuracy is	96.982% since last reset

See  
http://www.easyweb.co.uk/Members/martin/blog/Blog_Post.2004-08 
- -11.8452654600 for more

Cheers
Martin
- --
Now playing on iTunes: "Living In Hope" by The Rutles from 'The Rutles'  
- - a hit from way back in 1978

 > Spammers: Send me email -> yumyum at easyweb.co.uk to train my filter
 > http://www.nuclearelephant.com/projects/dspam/

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