It sounds like Listserv's e-mail to your list owner is being filtered, 
either by his ISP or by software on his/her machine.

cheers, wayne

Steve Eckard wrote, in part,  on 3/23/2007 1:47 PM:
> Could someone tell me a command to change a list owner's 
> password. I have tried every thing that I know to walk a user 
> through the process of changing their password. We've tried 
> the link to change password by registering and just hitting 
> enter. He never gets the message to ok the change. I did it 
> from my work station and immediately got the message. ...
>