Perl? backup/restore Mailman mailing lists
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I'd like to be able to backup/restore GNU's "Mailman" mailing lists, including all the settings like Sender filters, etc.  Can someone please tell me how to do it?  I haven't been able to find anything suitable on the web when I've looked previously.

My preference is a Perl solution, and I'm looking at WWW::Mailman module, but I can't yet see how to just backup up everything, let alone restore it, and I'd rather not spend my day trying to work it out, especially if someone else already knows.

Free solutions only, please (Scottish ancestry).

Thanks.