signed_smtp:
driver = smtp
- dkim_domain = ${lc:${domain:$h_from:}}
+ dkim_domain = ${lookup{${domain:$h_from:}}partial-lsearch{/etc/exim4/dkim-domains}{$value}}
dkim_selector = ${lookup{$dkim_domain}lsearch{/etc/exim4/dkim-selectors}{$value}}
dkim_private_key = /etc/exim4/dkim-keys/${dkim_domain}
dkim_identity = ${lc:${address:$h_from:}}