> Yes, one of the documented features of the unix vacation program is it
> will not respond to mail bearing a Precedence: bulk line and certain
> other lines.
 
It also won't respond to mail addressed to "Mutliple Recipients of...,"
which is how all my list mail arrives.  I use the unix vacation program
fairly often and haven't had any problems of its going to lists.
   --Natalie ([log in to unmask])