|Even more justification to make your public lists Review= Owner, and
|Subscription= Open, confirm

Also either:

* SEND= PRIVATE

or

* SEND= EDITOR
* EDITOR= your_real_RFC822_addr,(listname)

e.g., if it were my list

* EDITOR= [log in to unmask],(ERAPPA-L)

This (kind of EDITORship) requires a little more work on the owner's part
since mutations of the original subscribe address (unless aliased with
the 1.8d beta feature) will generate a diagnostic message.