I received a confidential internal document today via email... sent to the wrong recipient. It seems like today's email programs should be smart enough to question this. Imagine a new feature: when I mail a document with "confidential" in the text or attachment, check that all recipients are in the same domain as the sender. If not, warn the user and also send a log record to the IT staff.
The feature would catch mistakes but also rat out people (I'm thinking "Kevin") who send confidential documents to customers.
Until that day, always check your email addresses a second time whenever you send confidential documents.
