If you want to stop for people at the side of the road when you are driving, especially if you are a woman, is it safe?
There's an email doing the rounds at the moment. I'm not sure I want to live in a society where we distrust and never help everyone, yet common sense is needed. It's also useful to realise there are sites out there that try to work out whether such emails are hoaxes.
Take a look here at the email and the comment on it, and make your own judgement.