[Mailman-Users] Umbrella lists

[Sandy Hansen]

Here's a query probably addressed in documentation, but there is so much

documentation to plow through, thought a quick query might be a more
efficient 
use of my limited time.

I have installed seven Mailman lists on a website I maintain. If I set
up an 
umbrella list, will it de-dup names, since I have a group which is 
automatically subscribed to ALL of these little-used lists? I'd love to
send a 
message to all lists, but don't want people to receive it seven times. 

Thanks,
--
Sandy Hansen
Website Administrator
AAUW of California