The fail en LOG is:
2007-12-12 17:23:01 1J2UMP-0003ZE-IZ failed to expand condition "${if or {{ > {$acl_c1} {70} {${lookup {$sender_address} lsearch {/etc/exim4/file}}}} {
> {$spam_score_int} {70} {${lookup {$sender_address_domain} lsearch {/etc/exim4/file} }}}}}" for drop_spam router: missing } at end of condition
inside "or" group
but i don't find the fail.