Possible exception: you've sent mail with a URL that points to something you learned was malicious and want to advise people not to click on that link.
From: Unicode [mailto:unicode-boun...@unicode.org] On Behalf Of Peter Constable Sent: Monday, August 10, 2015 9:39 AM To: unicode@unicode.org Subject: bang mail I don't think it's helpful or even polite to send bang (high priority) mail to this list. Cheers, Peter