diff --git a/modoboa_installer/scripts/files/postfix/main.cf.tpl b/modoboa_installer/scripts/files/postfix/main.cf.tpl
index aac3bb5..eb8c01f 100644
--- a/modoboa_installer/scripts/files/postfix/main.cf.tpl
+++ b/modoboa_installer/scripts/files/postfix/main.cf.tpl
@@ -141,11 +141,10 @@ postscreen_blacklist_action = enforce
 
 # Use some DNSBL
 postscreen_dnsbl_sites = 
-	zen.spamhaus.org*3 
-	bl.spameatingmonkey.net*2 
-	dnsbl.habl.org 
-	bl.spamcop.net 
-	dnsbl.sorbs.net 
+	zen.spamhaus.org*3
+	bl.spameatingmonkey.net*2
+	bl.spamcop.net
+	dnsbl.sorbs.net
 postscreen_dnsbl_threshold = 3 
 postscreen_dnsbl_action = enforce