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

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Autor: Marc Perkel
Data:  
Para: Marc Perkel, Odhiambo Washington, exim-users
Assunto: Re: [exim] SPAM Filtering - Losing the war!


Wakko Warner wrote:
> 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)
>
>


I have started to install it several times and got distracted. I think I
will try it.