In mutt, notification mails look like this for me:
Date: Thu, 31 May 2012 18:19:25 +0000 From: Stack Exchange <email@example.com> To: firstname.lastname@example.org Subject: 1 new item in your Stack Exchange inbox X-Mailer: MailBee.NET 126.96.36.1994 The following items were added to your Stack Exchange global inbox since you last checked it on 2012-03-28: May, 31 Cost of synchronization comment: The other thing that that example shows is that 1,000,000 synchrnonization locks take 0.024 secon...If you no longer wish to receive updates every 3 hours, you may +unsubscribe from this email. _________________________________________________________________________ Questions? Comments? Let us know on our [feedback site]. Stack Exchange Inc. 55 Broadway, 26th Floor, NY NY 10006 <3 : http://stackauth.com : http://meta.stackoverflow.com
Firstly, I think that the "if you no longer wish to" thing shouldn't be directly after the comment without even just a space. Secondly, although this probably doesn't qualify as a bug, maybe you could add links to the comments?