The mailing list for listmasters using Sympa

[Miles Fidelman <address@concealed>]

Hi Folks,

Someone just asked me if I could set up a group of 7 lists for them, 
with an interesting property: the lists have overlapping membership, and 
they'd like to set things up so that a message sent to multiple lists 
doesn't show up multiple times, if someone is on more than one of the 
lists. (Think sports teams - a parent has kids on more than one team - 
an announcement about field use goes out to parents of kids on 3 of the 
teams.)

To be more concrete:
- 7 lists, a-g
- John is on lists a, c, e
- a message is sent to lists a, b, c
- is there a way to set things up so John only gets one copy, instead of 2?

Any thoughts?

Thanks much,

Miles