Issue 1: Not working with Mail.app on Snow Leopard
Project Member Reported by hiroshi3...@gmail.com, Sep 12, 2009
There is a blog comment reporting this problem.
http://blog.yakitara.com/2008/01/nspreferredmailcharset-on-leopard.html

I think I can solve this issue if I have Snow Leopard but I don't yet.