I bet everyone has experienced this from one end or another (or both): forgetting to attach a document to an email message. Then you have to send the message again with the attachment, or reply to it with the attachment - in either case, not making the best impression. I've even spent so much time apologizing in the follow-up email for forgetting to include the attachment that I forgot it again! In any case, wouldn't it be handy if the email program noticed the word "attach" or the phrases "I attached", "document attached", or whatever when you sent the message and popped up a warning if there wasn't actually anything attached?
Although I haven't tried any of them yet, a quick web search turns up a couple of extensions that do this:
Return to Kevin Fink's Home Page.