[Mailman-Users] Configuring Mailman as an announce list

[Geoff Deering]

Hi,

Can someone please remind me how to configure mailman so that subscriber 
cannot post to it, only those registered in

[Sender filters]
List of non-member addresses whose postings should be automatically 
accepted.

I have

By default, should new list member postings be moderated?  No

Action to take when a moderated member posts to the list. Reject


Is there something else I am overlooking?

Running version 2.1.9.cp2

Geoff