[Mimedefang] Dropping e-mails generated by the Sobig Virus
Rajesh Bhandari
BhandaR at mail.nlm.nih.gov
Thu Aug 21 16:21:01 EDT 2003
>>> olc at cs.umass.edu 08/21/03 03:26PM >>>
>On 08/21/03 at 21:02, 'twas brillig and Jakub Wasielewski scrobe:
>[...]
>>
>> Hmm... maybe Sobig is a good reason for discard action, but think abo-
>> ut having dozen such cases. Now araises the problem to notify the user
>> about sending virus or not to and discard. You could end up with huge
>> regexp or something like that making the decision... nasty. As we all
>> agree it is important to notify sender about virus infection.. if the
>> sender is not fake. The perfect solution IMO would be a possibility to
>> reject the entire e-mail in the last stage of SMTP dialog, after DATA,
>> with "450 Reason of reject". What do you think about that or maybe it
>> is already possible with MD??
>>
>
> Indeed it is, using action_bounce:
>
You're right.
I run MD2.28 right now, and the man page was a little bit confusing. I just looked ta MD2.35, and the man page is much more explicit, and mentions the SMTP reject code etc.
So yes, action_bounce is much better. I've already changed my fiilter.
Rajesh
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