Index: plugins/node.d/sendmail_mailqueue.in
--- plugins/node.d/sendmail_mailqueue.in.orig
+++ plugins/node.d/sendmail_mailqueue.in
@@ -38,7 +38,7 @@ GPLv2
 
 =cut
 
-MSP_QUEUE=${mspqueue:-/var/spool/mqueue-client}
+MSP_QUEUE=${mspqueue:-/var/spool/clientmqueue}
 MTA_QUEUE=${mtaqueue:-/var/spool/mqueue}
 
 if [ "$1" = "autoconf" ]; then
