Re: [Exim] About local_scan() -function

John W Baxter said, and I quote:
> At 9:11 +0200 3/4/2002, Petri Laatunen wrote:
> >We're some blind and visually impaired working here and one thing which
> >might be very nice is if we could convert Word attachments into text ones
> >during mail delivery. We have all the software we need and I just thought
> >if local_scan() could be used to launch the conversion process after virus
> >checking, of course ;)
>
> I think this sort of thing fits better into a mail delivery agent than into
> SMTP end-of-receipt-of-body time of a mail transfer agent.
>
> For one thing, local_scan() has a very hard time doing things on a per
> recipient basis...would you really want the attachments converted for all
> users because some users do better with text (including recipients who turn
> out to be on some remote machine after all)?
>
> As commonly set up, Exim acts as mail delivery agent...but it doesn't have
> to do so. Router time (Exim 4, as implied by the presence of
> local_scan())--or even later--would seem to be the time to decide how to
> deliver a message to each of its recipients...the router might just deliver
> blindly to the MDA and let it do the deciding, or the router might pick one
> of several MDAs (including Exim itself for the simple cases).
>
>
Maybe it would be useful to have several hooks. one at SMTP receive time
and one per driver or delivery. That way you could virus check stuff
coming in and then do additional processing at delivery time.

--
David Pashley
david@???
Nihil curo de ista tua stulta superstitione.