[Pkg-exim4-users] Configuring smarthost based on the network

Norbert Preining preining at logic.at
Mon Aug 10 00:21:55 UTC 2009

Hi everyone,

(please Cc)

I guess that has been asked before, but I couldn't find any answer, which
is strange since I guess many people have to fight with that:

I am working on a laptop and switching networks permanently, from 
University to home (cable modem) to hotspots to wwan access.

All of these logins usually force me to use a different smart host for
sending emails.

Most of the times I just circumvent that by fixing one smart host 
(at the university) together with user authentication so that I can send
from anywhere in the world via that smart host.

Unfortunately sometimes the port 25 is blocked (even outgoing) in some
networks and smtp sending can *only* be done via their mail router.

Now, is there a solution to the changing smart host problem?

Best would be a solution that incorporates with e.g. wicd (which I am
using), or NetworkManager (which I never touched), and of course with

Thanks a lot for any suggestion and all the best


Dr. Norbert Preining <preining at logic.at>        Vienna University of Technology
Debian Developer <preining at debian.org>                         Debian TeX Group
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