|USING EDITOR
|Step 1.a Tell the LISTSERV that you want to review messages from all new
|subscribers and to send the approval request to you. Change your list header
|to include the following keywords. (Note: if these keywords are already
|present in your list header, put a comma after their existing options and
|add the options specified below. Then mail the new list header to your
|LISTSERV. Note, you should always keep a backup copy of a working list
|header in case you really blow the syntax. 
|* send=            Editor,hold
|* Editor=          [log in to unmask]

Step 3: figure out how to moderate your list while you are on vacation ;-)