How To Restrict Someone On Facebook
1. Login to Facebook and go to the Account drop-down menu at the top of any Facebook page and select "Privacy Settings."
2. Select "View settings" in the "Fundamental Directory site Details" area.
3. Change the setting for "Send me messages." Your options consist of Everyone, Buddies and Friends of Friends.
Only emails from people that fall within the message personal privacy setting you pick will be delivered to your Facebook Messages. For instance, if you select the "Buddies Just" setting, you will not get messages from e-mail addresses that are not verified to be among your buddies. Rather, those senders will get automated bounce-back replies.
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