Autor: Bruce Richardson Data: Dla: Exim Users Temat: Re: [Exim] Advice - Building mail platform from scratch
On Wed, May 12, 2004 at 02:47:14PM +0100, Tony Finch wrote: > On Wed, 12 May 2004, Bruce Richardson wrote:
> >
> > There are issues to be aware of with this approach: load and timeouts,
> > mostly. You may want to have the virus scanner (e.g. clamav) listening
> > on a dedicated host. You might also consider only scanning messages
> > under a certain size (maybe 20K) with Exiscan and sending messages over
> > that size through a more conventional filter: this avoids the danger of
> > timeouts caused by scanning very large messages (and since viruses in
> > documents over that size are quite rare, spurious NDRs are still not
> > much of a risk).
>
> Most email viruses at the moment are around the 25K mark. Last year they
> were usually over 100K.
Arrgh! Typo. I meant to say "200K".
--
Bruce
Hierophant: someone who remembers, when you are on the way down,
everything you did to them on the way up.