On 22/03/2022 12:56, Luciano InfoCultura via Exim-users wrote:
> Hi,
> I'm doing an exim install to replace a legacy email system where all subscribers are doing an external redirectI used the following rule as conf.d/router/120_CPD_client_aliases
> client_aliases: debug_print = "R: client_aliases_XXX for $local_part@$domain" driver = redirect domains = +local_domains data = ${lookup mysql{SELECT real_address FROM client_aliases2 WHERE local_part='${sg{$local_part}{'}{''}}' AND local_domain='$domain'}}
>
>
> The rule is working but I would like the emails sent to addresses that do not exist in the table to be discarded.
> Does anyone have any ideas?
Extend your lookup expansion to have explicit success and fail clauses.
Use $value for success and :fail: for fail.
http://exim.org/exim-html-current/doc/html/spec_html/ch-the_redirect_router.html#SECTspecitredli
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Cheers,
Jeremy
