--- /n/sources/plan9/lib/ndb/common	Wed Dec 18 19:37:51 2013
+++ /lib/ndb/common	Sat Dec  7 20:06:26 2019
@@ -253,6 +253,7 @@
 tcp=whoami port=565
 tcp=guard port=566
 tcp=ticket port=567
+tcp=submission port=587
 tcp=ldaps port=636
 tcp=fmclient port=729
 tcp=iscsi-system port=860