svn path=/nixpkgs/trunk/; revision=12076
svn path=/nixpkgs/trunk/; revision=12068
svn path=/nixpkgs/trunk/; revision=9292
probably be a bit tricky, due to sendmail "compatibility" (postfix makes a symlink to "sendmail", so programs will keep on working). svn path=/nixpkgs/trunk/; revision=5030