{ lib, buildPythonPackage, fetchFromGitHub, pydns }: buildPythonPackage rec { pname = "pyspf"; version = "2.0.14pre1"; src = fetchFromGitHub { owner = "sdgathman"; repo = pname; rev = "pyspf-${version}"; sha256 = "17d8namkrsmmhc6p4226pffgafivn59qqlj42sq3sma10i09r0c2"; }; propagatedBuildInputs = [ pydns ]; meta = with lib; { homepage = http://bmsi.com/python/milter.html; description = "Python API for Sendmail Milters (SPF)"; maintainers = with maintainers; [ abbradar ]; license = licenses.gpl2; }; }