There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

Build.PL files installer

customise location, place value as default into a tiny generated stub - probably from mariachi.PL, or Mariachi::Config

website/usage docs

an install guide. maybe some PRish bumf benchmarking it in comparison with mhonarc/pipermail. a logo. how to install with your existing mailman system. finished templates