Added/documented use_sender_address and submitter keys.

ctrl/listserver.ini

@@ -20,6 +20,9 @@ disabled = true
 ; Over-ride default list server name (Synchronet ListServer)
 ;name = My ListServer
 
+; When subscribing/unsubscribing, always use the sender's address
+use_sender_address = true
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; Each list is a separate section
 ; (list name in square brackets followed by "key=value" pairs)
@@ -38,9 +41,12 @@ disabled = true
 	closed = false
 	; Prepend "[list-name] " to Subject of exported messages?
 	subject_mod = true
+	; Submitter (only this address can submit messages to list, if specified)
+	; submitter = admin@somesite.com
 ; Optionally over-ride default values:
 	;address = somelist@someserver.com
 	;description = My mailing list
+	;use_sender_address = true
 ; Not-yet-implemented:
 	; Confirm subscriptions?
 	confirm = true