It'd be great if Geekzone included an in-reply-to message ID on forum notifications. This would mean that they could be threaded by Mail.app and other email apps, rather than each one being a separate email (and getting a flood of emails in my inbox). You can see more about this at http://stackoverflow.com/questions/23007197/how-to-cause-sent-emails-to-appear-threaded-in-gmail-recipients-view-with-messa, and http://blog.mailgun.com/tracking-replies-in-mailgun-or-any-other-email/