diff -Nur --no-dereference e-smith-qmail-2.6.0.old/root/etc/e-smith/templates/var/qmail/control/concurrencylocal e-smith-qmail-2.6.0/root/etc/e-smith/templates/var/qmail/control/concurrencylocal
--- e-smith-qmail-2.6.0.old/root/etc/e-smith/templates/var/qmail/control/concurrencylocal	2016-02-05 16:46:07.000000000 -0500
+++ e-smith-qmail-2.6.0/root/etc/e-smith/templates/var/qmail/control/concurrencylocal	2021-11-15 12:22:10.041000000 -0500
@@ -1 +1 @@
-{ $DB->get('qmail')->prop('ConcurrencyLocal') || "20"; }
+{ (defined $DB->get('qmail')->prop('ConcurrencyLocal')) ? $DB->get('qmail')->prop('ConcurrencyLocal') : "20"; }
diff -Nur --no-dereference e-smith-qmail-2.6.0.old/root/etc/e-smith/templates/var/qmail/control/concurrencyremote e-smith-qmail-2.6.0/root/etc/e-smith/templates/var/qmail/control/concurrencyremote
--- e-smith-qmail-2.6.0.old/root/etc/e-smith/templates/var/qmail/control/concurrencyremote	2016-02-05 16:46:08.000000000 -0500
+++ e-smith-qmail-2.6.0/root/etc/e-smith/templates/var/qmail/control/concurrencyremote	2021-11-15 12:21:44.212000000 -0500
@@ -1 +1 @@
-{ $DB->get('qmail')->prop('ConcurrencyRemote') || "20"; }
+{ (defined $DB->get('qmail')->prop('ConcurrencyRemote'))? $DB->get('qmail')->prop('ConcurrencyRemote') : "20"; }