#1.6 dkim_domain = ${if eq{$sender_address_domain}{}{$primary_hostname}{${lookup{$sender_address_domain}lsearch,ret=key{/etc/virtual/domainowners}{$value}}}} dkim_selector = x dkim_private_key = ${if exists{/etc/virtual/$dkim_domain/dkim.private.key}{/etc/virtual/$dkim_domain/dkim.private.key}{0}} dkim_canon = relaxed dkim_strict = 0