Bug#388460: exim4-daemon-light: sender verification is not working

Marc Haber mh+debian-packages at zugschlus.de
Thu Sep 21 12:46:45 UTC 2006


On Thu, Sep 21, 2006 at 09:31:09AM +0100, George B. wrote:
> Why on earth does Exim call the smarthost for a local address? :-/

The sender you are trying is not a local address, and everything
nonlocal is passed on to the smarthost.

> >2# setting no_verify on the smarthost router and having a dnslookup
> >router with verify_only doing the verification.
> 
> Could you go into a little more detail please. I'm still not to sure
> how the router thing works (and ties in with the ACLs). As I said, my
> knowledge of Exim is still a little basic.

Exim does do sender verification by going through the motions of
sending a message to the sender without actually sending a message.
Since a message to the non-local sender will be sent to the smarthost,
the local exim considers the sender address as verified.

> >Perhaps you previously had callouts setup?
> 
> No, but then the two Sarge boxes that work use the "internet"
> configuration.

Ok. The issue we have here is specific to smarthost setups.

Greetings
Marc

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