[Mailman-Users] not really an umbrella?

Brad Knowles brad at shub-internet.org
Tue Jan 1 04:22:14 CET 2008

On 12/31/07, Gruver, Sandi wrote:

>  How can I set up a new list that sends to multiple existing lists - but
>  only sends one message to each person - even if the person is a member
>  of multiple lists?
>  a.     LSOFT calls this a "superlist"
>  b.    Can "Mailman" do this?

Not directly, no.  When all you have is the name of the list, you 
don't know who any of the subscribers are.  Once you've handed the 
message off to the list (or sublist) itself, it knows who it's own 
subscribers are, but doesn't know who any of the other subscribers 
are for any of the other lists.

With some command-line tools to dump the complete set of all 
subscribers from the selected sublists, then do a "sort -u" on those 
addresses and then re-import those into another list, you could 
achieve the same results.  But this is not automatic, and would 
depend on you regularly running some sort of a cron job.

Search the archives for more information.

Brad Knowles <brad at shub-internet.org>
LinkedIn Profile: <http://tinyurl.com/y8kpxu>

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