Re: [Exim] Blocking sobig.f

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Autor: Nico De Ranter
Fecha:  
A: David Saez
Cc: Dennis Davis, exim-users
Asunto: Re: [Exim] Blocking sobig.f
On Wed, Aug 20, 2003 at 10:53:44AM +0200, David Saez wrote:
> Hi !!
>
> > Yesterday we blocked nearly 6000 copies of this virus. So far today
> > we've seen more than 4600 copies. This is by far the most rampant
> > virus I've seen since we've been running virus detection on our mail
> > servers. So far we haven't seen an internal infection. I suspect
> > we've been lucky and that luck may change when people on holiday
> > return and start reading their email.
> >
> > The question of false bounce messages has arisen elswhere in this
> > discussion. I have a lot of sympathy with Alan J. Flavell's ideas:
>
> Yesterday we rejected almost 100000 messages that were virus warnings
> sent no a non-existant email address at our domain. I think it's very
> stupid to sent virus warnings (excluding those generated at smtp time)
> but it's more stupid to accept any email comming from a on existant
> email address.


How would you check whether a mail address exists? You can check whether
the domain exists, but not whether the account exists on that domain?
Or am I missing something.

Nico

>
> --
> Best regards ...
>
> Beware of programmers who carry screwdrivers.
>
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Nico De Ranter
Senior System Administrator
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