Index: plugins/node.d/sendmail_mailqueue
--- plugins/node.d/sendmail_mailqueue.orig
+++ plugins/node.d/sendmail_mailqueue
@@ -19,7 +19,7 @@ This plugin uses the following configuration variables
 The default configuration is
 
  [sendmail_mailqueue]
-  env.mspqueue /var/spool/mqueue-client
+  env.mspqueue /var/spool/clientmqueue
   env.mtaqueue /var/spool/mqueue
 
 =head1 AUTHOR
