Hello enediel,
enediel gonzalez, 13.06.2006 (d.m.y):
> I have exim4 installed on debian, this server is the smarthost for a domain
> controlled internally on the network by an exchange server.
>
> I have the whole list of available accounts on the domain, and I want to
> configure exim4 to pass to the exchange server only the messages with valid
> rcpt field.
This can easily be done by a recipient verification via smtp callout.
> I have tried to configure by myself without the result I want to get.
>
> On the other hand, I want to be sure that exim4 is making a dns lookup to
> all the mailers that are trying to send emails to this domain.
Just tell exim to do a sender verification.
Google will most probably find thousands of examples for how to
configure both these options.
Regards,
Christian Schmidt
--
Einer Zeit der grenzenlosen Entdeckungen folgt vielleicht eine Zeit
der Entdeckung der Grenzen.
-- Bernd Stoy