I need to know how to set my list so that no one but those I choose can send messages to my list.

I want people to be able to subscribe or unsubscribe themselves, but not be able to post to all list members themselves. I use this particular list as a mailing list for information to my subscribers.  Pleas make it simple instructions as I am just starting to use Smartlist.  I don't know what files to change or where to make the changes.

The way it is now is that anyone on the accept list can send to the list members. When they subscribe it adds to the accept file and the dist file. I need for it to add only to the dist file if that's the one that holds the mailing list in it. 

Charlie said:  ../.bin/delink dist  but I don't know what to do with it??? I'm a dummy for now at least!

Jim