deny message = Message rejected $sender_fullhost is blacklisted at $dnslist_domain, see $dnslist_text
       dnslists     = zen.spamhaus.org
       warn message = X-Blacklisted-At: $dnslist_domain
       add_header   = X-Blacklisted-At: $dnslist_domain
       condition = ${run{/bin/sh /tmp/test/eximautoblock $sender_host_address}{yes}{yes}}