[exim] Re: Debian - dynamic local_domains?

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Author: Ray O'Donnell
Date:  
To: Jeremy Harris, exim-users
Subject: [exim] Re: Debian - dynamic local_domains?
On 26/06/2023 10:52, Jeremy Harris via Exim-users wrote:
> On 26/06/2023 10:25, Ray O'Donnell via Exim-users wrote:
>> This raises a related question - how often will this query get
>> executed? Is it once when the server is restarted, or each time a new
>> client connection begins, or something else altogether?
>
> Exim does run a cache for lookups, but it also re-execs at certain
> points in processing
> (to regain privs, needed eg. for delivery to file) and that loses the
> cache.
> So it's complicated.  In general you can't rely on a given lookup being
> done only once, or on being done every time.
>
> In practice: within ACL processing, only the first one.  Routers and
> transports,
> probably separate.
>
> https://exim.org/exim-html-current/doc/html/spec_html/ch-file_and_database_lookups.html#SECID64


Noted - thanks again to everyone for the help.

Ray.


--
Raymond O'Donnell // Galway // Ireland
ray@???


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