[SAC] mailman: change configuration of all lists to restrict access

[Martin Spott]

Markus Neteler wrote:

> I'd strongly recommend to improve the privacy level and change (by
> script) all existing OSGeo lists to
> "The subscribers list is only available to the list administrator" mode.

Accomplished,

	Martin
-- 
 Unix _IS_ user friendly - it's just selective about who its friends are !
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