service/forum.md

@@ -405,6 +405,10 @@ The `mail-receiver` container logs can be consulted with:
 
     /srv/discourse/launcher logs mail-receiver
 
+Note that this is strictly for *incoming* mail. *Outgoing* mail is
+delivered normally through the Postfix email server, logging in
+`/var/log/mail.log*`.
+
 In addition, some logs are accessible via the browser at
 https://forum.torproject.org/logs (administrators-only).