[Mimedefang] spam filter for quarantine emails

John Von Essen john at essenz.com
Sat Nov 27 22:55:30 EST 2004


I can't just reject the email with a .exe because my users do 
occasionaly send/receive .exe's and need to know about it.

I looked at the example MD config, and the only difference between it 
and my current config is in the filter subroutine. The example drops 
the part, whereas I call the quarantine function.

Because I call the quarantine function, if a user really did need that 
exe - I can get it for them.

So if I revert back to the example and only call the drop_with_warning 
function, the attachment will be dropped, and if the email is also spam 
- that will be detacted down the line in filter_end, right?

I can live with that. Though I know one day one of my users will have 
someone send them an exe (i.e Dell Support emails them an exe that 
determines service tag or something), and they will want that exe right 


On Nov 27, 2004, at 10:35 PM, David F. Skoll wrote:

> On Sat, 27 Nov 2004, John Von Essen wrote:
>> I have noticed that when an email contains a violating file 
>> attachment,
>> spam filtering does not occur.
> That's not the case for the sample filter distributed with MIMEDefang.
>> In my environment, I sort of have to have the below functionality. I
>> block .exe files, and I need to communicate that blockage to my users.
> Why?
> Why not simply reject .exes?
>> Is there anyway to modify the action_quarantine() and
>> action_drop_with_warning() functions such that they are not exempt 
>> from
>> spam filtering on the text body of the email?
> Those functions have no effect on spam filtering.
> Regards,
> David.
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John Von Essen (john at essenz.com)
President, Essenz Consulting (www.essenz.com)
Phone: (800) 248-1736
Fax: (800) 852-3387

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