For a very simple and simplicistic solution you might want to consider Mail::SimpleList by chromatic, which makes it easy to create short-lived mailing lists.

For a more comprehensive solution, you might want to look at Siesta, which is a mailing list manager in Perl.

Still the defacto standard for mailing lists is mailman, a Python program that Siesta hopes to depose from its reign.

perl -MHTTP::Daemon -MHTTP::Response -MLWP::Simple -e ' ;    # The  
$d = new HTTP::Daemon and fork and getprint $d->url and exit;#spider
($c = $d->accept())->get_request(); $c->send_response( new   #in the
HTTP::Response(200,$_,$_,qq(Just another Perl hacker\n))); ' #  web
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