{!def:h_DKIM-Signature:} \
{!def:h_List-ID:} \
{or {{def:authenticated_id} \
- {def:authenticated_sender}}}}:>)
+ {def:authenticated_sender}}} \
+ {bool {DKIM_KEYS_INSTANCE(<:{true}:>, <:{false}:>)}}}:>)
m4_define(<:DKIM_KEYS_INSTANCE:>,
<:${lookup {${domain:$h_From:}} partial0-lsearch \