Bug reports and feature requests for the OPAM tool should be reported
on:

  http://github.com/OCamlPro/opam/issues

Packaging issues or requests for a new package should be reported on:

  http://github.com/OCamlPro/opam-repository/issues

General queries can be addressed at:

  http://lists.ocaml.org/listinfo/platform
  (for the both the tool & packages)

  http://lists.ocaml.org/listinfo/opam-devel
  (for the tool and its evolution)