> I currently have the problem, that exim doesn't recognize changes in a
> textfile used with lsearch. While everything is fine with exim -bt
> testing and even some tests with real smtp-sessions seem to work, I got
> informed by some customers, that changes don't apply recently after the
> file for the lsearch-lookup is changed. When I looked through the
> documentation I found lookup_open_max, but this is only about concurrent
> open filehandles, not cache timeout or refresh. Changes that are done
> during a smtp-session don't have to result in a new lookup. But with
> every new smtp-session, the most current file shall be used (and in the
> end it's always the same filename). Do I have to set lookup_open_max to
> 0 so that nothing is cached? I mean: Within one smtp-session or one
> routing and transport is fairly well to have caching, but only as long
> as changes are used in new smtp-sessions.
Exim does not cache between smtp-sessions, every new process will build
it's own cache. So your problem is something else.
