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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######################################################################
# (Author) PriNet         (c)542R767G265A         (e-)gary@prinet.org
######################################################################
# sub::email(www.server.com,bounce@address,send@to,from,to,subj,body);
######################################################################
# www.server.com = mail servers address, ie; "mail.isp.com"
# bounce@address = a valid email address on "isp.com"
# send@to = email address to send to
# from = (hopefully) YOUR REAL NAME
# to = recipients name (not address)
# subj = subject
# body = message
######################################################################
sub email {
    @Data = @_;
    $main::SIG{'INT'} = close (SMTP);
    socket (SMTP, AF_INET, SOCK_STREAM, 6);
    connect (SMTP, pack('S n a4 x8', AF_INET, 25, (gethostbyname($Data
+[0])) [4]));
    select (SMTP); $| = 1; select (STDOUT);
    recv (SMTP, $Dummy, 200, 0);
    send (SMTP, "HELO $Data[0]\n", 0);
    recv (SMTP, $Dummy, 200, 0);
    send (SMTP, "MAIL FROM: <$Data[1]>\n", 0);
    recv (SMTP, $Dummy, 200, 0);
    send (SMTP, "RCPT TO: <$Data[2]>\n", 0);
    recv (SMTP, $Dummy, 200, 0);
    send (SMTP, "DATA\n", 0);
    recv (SMTP, $Dummy, 200, 0);
    send (SMTP, "From: \"$Data[3]\"\n", 0);
    send (SMTP, "To: $Data[4]\n", 0);
    send (SMTP, "Subject: $Data[5]\n", 0);
    send (SMTP, "\n", 0);
    send (SMTP, "$Data[6]\n", 0);
    send (SMTP, "\r\n.\r\n", 0);
    recv (SMTP, $Dummy, 200, 0);
    send (SMTP, "QUIT\n", 0);
    recv (SMTP, $Dummy, 200, 0);
    close (SMTP);
    return;
######################################################################
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