Re: [exim] SPAM Filtering - Losing the war!

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Συντάκτης: Wakko Warner
Ημερομηνία:  
Προς: Marc Perkel
Υ/ο: Odhiambo Washington, exim-users
Αντικείμενο: Re: [exim] SPAM Filtering - Losing the war!
Marc Perkel wrote:
> Odhiambo Washington wrote:
> >     "Junk mail is war. RFCs do not apply."
> >         --Wietse Venema

> >
> >
> >
> > Hello!
> >
> > With the recent upsurge of spam, I am strongly compelled to ask:
> >
> > Is there anyone on this list who can afford to brag about the
> > effectiveness of their spam filtering techniques? (With the
> > exception of Marc Perkel ;))
> >
>
> To tell you the truth I'm losing ground lately against spammers. Two
> reasons. The Image spam is getting through and because it poisons the
> bayes I've lost much of the effectiveness of bayes filtering. I'm still
> holding on but I've had people who I hosted for for over a year who
> never had a single spam who are now getting a few. I am also having a
> few more false positives than I used to.


Have you tried gocr? I have, it's not the greatest, but it is possible that
it can read the image and allow you to react on the content of the image.
It's not that great yet, but I think it could have potential (until spammers
start using the other characters in the images like they are in text spam)

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