May Leave Outlook 97 Email Users Red-Faced Software bug found in Microsoft's Outlook 97 could embarrass you. Doesn't always work. Users report their blind copies are being revealed to all. Microsoft is aware and will include a fix in the next month's Internet mail enhancement patch.
Email is prone to various problems that can disclose private information.
Some email systems can, for example, might accidentially send copies of a message to unintended people. Routing problems can occur. Mail handlers can malfunction. This Outlook problem is a good reminder of some general cautions with blind carbon copies. If the disclosure of the bcc's to the other recipients will cause sever problems, don't use the bcc.