Image spam

[Ed Bruce]

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Chris Yuzik wrote:
> Renee Gehlbach wrote:
>> I see plenty of ham w/ attached gifs through one of my servers, but
>> very little from others.  Yet another example there being no one
>> standard pattern for ham.
>>
>> Hmm....  why exactly would this be preferable?  We tend to set email
>> clients not to permit the display non-attached images in html
>> messages.  Thunderbird and Squirrelmail, I believe, even do this by
>> default.  I've heard plenty of arguments against allowing email
>> clients to go retrieve pictures, do you have arguments for it?
>>
>> Do you use Fuzzy OCR?  It's the only way I've found to really target
>> image spam.
> Renee,
> 
> We are experimenting with Fuzzy OCR, and while in our tests it does
> catch some image spam, it's not doing very well with image spam where
> the image has background noise, slanted text, etc.
> 
> I agree that having a link to an external image is not (necessarily) a
> good idea, and in fact can activate web-bugs and such on spam that does
> manage to get through.
> 
> I find it interesting that Barracuda is advertising that they block "all
> image spam". Abaca is advertising they block 99% of all image spam. How
> are these guys achieving this success rate?
> 
> Chris

Do they have honey pots that collect this spam and then immediately
update all their clients????
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