Re: Email viruses

[Chris Lyttle <chris wilddev net>]

I've had a similar problem here with my mailserver and
amavisd/spamassassin/clamav quite nicely takes care of the virus
problem.

Chris

PS We also implemented this on the GnuCash mailing lists which basically
got rid of the virus problem :)

On Mon, 2004-04-05 at 09:37, Danilo Segan wrote:
> Today at 17:07, Telsa Gwynne wrote:
> 
> > So yes, if you know about that alias, it is effectively
> > open to anyone to post to. 
> 
> As it turns out, no.  Read below.
> 
> > However, to make things worse, lots of the virus-laden emails 
> > purport to come from people who are indeed subscribed to the 
> > mailing list. But they're not. The headers are forged. 
> 
> Ok, I've tested this and the problem here is *only* forging of "from"
> fields.  Alias is simply an alias which doesn't avoid moderation queue
> (I've just sent a message from unsubscribed address, and got notified
> that it got stuck in moderation queue; moderators, please disregard
> it, and sorry for wasting your time :).
> 
> So, the only problem with docs gnome org alias is that it is
> probably more exposed than the real list address.  Forged addresses
> cannot be coped with easily, unless we start doing something like
> requiring all messages to be signed or something.  And we're
> definitely not going to go that route.
> 
> So, I don't see a reason to dump this alias, since it's not really
> the problem.  Problems are forged mail headers which are used by
> spammers.
> 
> I know of two currently popular methods for handling this: virus/spam
> detectors on the server side, or on the client side.  I believe they
> do fairly good when set properly, but it would require more effort
> from already pre-occupied Gnome sysadmin team.
> 
> Cheers,
> Danilo
> _______________________________________________
> gnome-doc-list mailing list
> gnome-doc-list gnome org
> http://mail.gnome.org/mailman/listinfo/gnome-doc-list
-- 
RedHat Certified Engineer #807302549405490.
Checkpoint Certified Security Expert 2000 & NG
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