[exim] How to use /etc/hosts for MXs

Hello list,

how can i make use of /etc/hosts to resolve MX to IP?
nsswitch.conf includes a line with: "hosts: files dns"
Exim doesnt try to resolve the MX to an IP with /etc/hosts
instead it always use the Nameservers.
What iam doing wrong?

cheers,

Christian Meutes
systems engineer
--
claranet gmbh internet service provider
tel +49 (0) 69 - 40 80 18 - 300
email: christian.meutes@??? http://www.claranet.de/