So the DKIM key is also visible in the local DNS on the DA server itself? Also copied in DNS of your DNS provider?DKIM is enabeled for the domains yes
da build update
da build exim
da build exim_conf
ls -la /etc/virtual/*/dkim*
ls -dla /etc/virtual/*/
/usr/local/directadmin/scripts/set_permissions.sh all_with_domaindirs