RE: [Exim] Tricky configuration

>There is a linux box for firewall/gateway with Debian and Exim. All
mail is
>forwarded to internal Exchange mail server. Now I want to have Sympa on
>that
>Linux. Is it possible to intercept certain messages and yet forward all
>others to 192.168.0.2?

Yes, set up a accept router before the forward-to-exchange is done, and
have it trigger on the list aliases.