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From "Sharma, Ashish" <ashish.shar...@hp.com>
Subject RE: Suggest OCR plugin on Spamassassin 3.3.1 for image spam
Date Thu, 21 Jul 2011 06:47:00 GMT
David, 

>[We don't use OCR, as it happens.  We usually catch image spams anyway
>using other techniques.]

Can you please outline the other techniques that you use to catch image spams?

Thanks
Ashish Sharma

-----Original Message-----
From: David F. Skoll [mailto:dfs@roaringpenguin.com] 
Sent: Thursday, July 21, 2011 7:50 AM
To: users@spamassassin.apache.org
Subject: Re: Suggest OCR plugin on Spamassassin 3.3.1 for image spam

On Wed, 20 Jul 2011 21:18:48 -0400
darxus@chaosreigns.com wrote:

> It still seems strange to me that anybody has ever bothered with
> using OCR to deal with image spam, when it's so easy, and for me not
> problematic, to just block all emails that might be image spam -
> those with an attached image that is embedded in the body of an html
> mail.

We receive many legitimate [sic] emails that use an embedded image
in that way.  Lots of companies think it's really cool to include their
logo in a .sig :(

> I've been very happily using this since 2006, and it completely made
> image spam go away.

Is this on a business account where it's critical for you to accept
email from... ahem... somewhat less-than-knowledgeable people?

> Inlined attached images are not a feature that I find anywhere near
> worth having enough to justify needing to OCR image spam.

Unfortunately, we can't block those.  The FP rate for us would be
horrendous.

[We don't use OCR, as it happens.  We usually catch image spams anyway
using other techniques.]

Regards,

David.


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