The chili-peppers language-analysis is Eudora's "Mood Watch" feature. Never used it, but always thought it was a good idea.
Similarly, email clients should catch references to attachments that aren't there, and ask "do you really want to send this without an attachment?"
Even more generally, they could recognize (and allow to be configured) certain addresses as requiring additional confirmation before sending -- so a mistaken overbroad or misdirected CC becomes less common.
(I'm thinking: first time you send to an address, you get a confirmation popup, and a chance to classify this address: require dialog confirm; require captcha/retype-of-name confirm; require waiting period; require confirm if combined with other address; etc.)
Similarly, email clients should catch references to attachments that aren't there, and ask "do you really want to send this without an attachment?"
Even more generally, they could recognize (and allow to be configured) certain addresses as requiring additional confirmation before sending -- so a mistaken overbroad or misdirected CC becomes less common.
(I'm thinking: first time you send to an address, you get a confirmation popup, and a chance to classify this address: require dialog confirm; require captcha/retype-of-name confirm; require waiting period; require confirm if combined with other address; etc.)