debian + exim4 + greylistd

domains = !kivetel : +local_domains : +relay_to_domains

rka@rkanote:~$ cat /etc/exim4/conf.d/acl/30_exim4-config_check_rcpt
[...]
  defer   message         = $sender_host_address is not yet authorized to deliver mail\
                     from <$sender_address> to <$local_part@$domain>.\
                     Now you are GREYLISTED. Please try later.
          log_message     = greylisted.
          !senders        = :
          !hosts          = : +relay_from_hosts : \
                            ${if exists {/etc/greylistd/whitelist-hosts}\
                            {/etc/greylistd/whitelist-hosts}{}} : \
                            ${if exists {/var/lib/greylistd/whitelist-hosts}\
                            {/var/lib/greylistd/whitelist-hosts}{}}
          !authenticated  = *
          !acl            = acl_whitelist_local_deny
          domains         = !kivetel.doma.in : !kivetel.doma2.in : +local_domains : \
                            +relay_to_domains
          verify          = recipient/callout=20s,use_sender,defer_ok
          condition       = ${readsocket{/var/run/greylistd/socket}\
                            {--grey \
                            ${mask:$sender_host_address/24} \
                            $sender_address \
                            $local_part@$domain}\
                            {5s}{}{false}}
[...]