Facebook is testing out a new feature that lets you identify strangers who attempt to friend you, according to a report published today by the Inside Facebook blog. Facebook confirmed it's testing the feature in an email to Mashable.

Ever encountered someone who just can't take the hint, "I don't know you, so, no, I do not want to be your friend," and attempts to friend you over and over again despite numerous rejections? Or have you been spammed by a fake Facebook profile whose friendship you carelessly accepted?

Well, Facebook has the remedy for all of these ills: A new function called "Mark You Don't Know." Now, after choosing "ignore" when you receive a friend request, Facebook gives you the option to report said person as a stranger. Check out the screenshots below (here's hoping Mashable's Samuel Axon doesn't get blocked for kindly taking part in this demonstration):

The new feature will likely be a great help to the site and its members, given that it has been a target recently for both phishing attempts and spam. Still, it does seem to be sending mixed messages in the wake of the launch of new privacy features and founder Mark Zuckerberg's proclamation that sharing is the new "social norm."

It remains to be seen just how well this new feature will function. In the meantime, let us know what you think in the comments.