Joan Korenman <[log in to unmask]> wrote:
 
>     The recent attempts of various people to join lists simply to get the
> subscriber list, etc. has made me wonder whether I should change my list's
> subscription procedures so that people have to be approved by me in order
 
There is no way you will be able to differentiate between who is a good
subscriber and who is not. Seeing their address first will be of no use. It
may dissuade some from trying though. They may see that your list is protected
in some way and just shuffle along to the next.
 
Carl