Re: [exim] problem with mails in queue while config changes …

On 29/12/2021 10:46, Andrew C Aitchison via Exim-users wrote:
> (When) are lookups cached between delivery attempts ?

They are not, absent deliberate placing of lookup results
into variables (coded in the ACL config).

Each delivery attempt (re)runs the routing (hence, changes
in things like DNS will get picked up) and starts with a
clean slate as far as cached lookup results goes.

--
Cheers,
Jeremy