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The mailman 3 interface is laid out differently than mailman2 but is still pretty intuitive, But I have created a site with some instructions if needed.
********* Note the old links to access a list http://mailman.cchmc.org/maillman/admin/.... no longer work, You should go to http://mailman.cchmc.org/ and login to access your list.
Basic mailman 3 instructions
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