diff -Nur smeserver-spamassassin-2.4.0/root/var/service/spamd/run smeserver-spamassassin-2.4.0_bz9153/root/var/service/spamd/run
--- smeserver-spamassassin-2.4.0/root/var/service/spamd/run	2008-10-07 16:55:26.000000000 +0200
+++ smeserver-spamassassin-2.4.0_bz9153/root/var/service/spamd/run	2016-01-07 15:08:01.766071738 +0100
@@ -24,7 +24,7 @@
 SPAMD_STATUS=$(/sbin/e-smith/db configuration getprop spamassassin status)
 
 if [ "$SPAMD_STATUS" == "enabled" ]; then
-    exec /usr/bin/spamd -u spamd --syslog=stderr
+    exec /usr/bin/spamd -u spamd --syslog=stderr --ipv4-only
 else
     /usr/bin/sv d .
 fi