diff --git a/build/run/installer.sh b/build/run/installer.sh
index c7699f5..2c48a4c 100755
--- a/build/run/installer.sh
+++ b/build/run/installer.sh
@@ -111,7 +111,7 @@ postconf -e "postscreen_greet_action = enforce"
 
 postconf -e "postscreen_dnsbl_threshold = 3"
 postconf -e "postscreen_dnsbl_action = enforce"
-postconf -e "postscreen_dnsbl_sites = zen.spamhaus.org*3, bl.spameatingmonkey.net*2, bl.spamcop.net, dnsbl.sorbs.net"
+postconf -e "postscreen_dnsbl_sites = bl.spameatingmonkey.net*2, bl.spamcop.net, dnsbl.sorbs.net" # zen.spamhaus.org*3,
 
 postconf -e "postscreen_dnsbl_whitelist_threshold = -2"