How To Restrict A Friend On Facebook
1. Login to Facebook and go to the Account drop-down menu at the top of any Facebook page and select "Personal privacy Settings."
2. Select "View settings" in the "Fundamental Directory site Details" area.
3. Modification the setting for "Send me messages." Your alternatives include Everyone, Friends and Buddies of Buddies.
Only e-mails from people that fall within the message personal privacy setting you select will be provided to your Facebook Messages. For instance, if you pick the "Friends Just" setting, you will not get messages from email addresses that are not verified to be among your friends. Rather, those senders will receive automatic bounce-back replies.
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