著者: William Thompson 日付: To: Kevin P. Fleming CC: exim-users 題目: Re: [Exim] lookups in ACLs
> >Does exim cache lookups? Since the RCPT acl is ran for each address, > >conditions that match things other non-rcpt commands are queried again (for
> >instance checking the sender in an rcpt acl).
> >
>
> Yes, exim caches most lookups during the lifetime of that process.
> Multiple references to the same lookup during the processing of a single
> message will be optimized into a single actual lookup.
>
> If you use address callout verification, those are cached across exim
> processes as well.