Your Facebook public user name will be username of your Facebook email, by default any can one can email to you at username@facebook.com, If you want to control who can send you Facebook messages and email here is how.

Related How to get an Invite for Facebook Email/Messages

Turning off Facebook email

1.Sign into your Facebook account, click Account drop down menu select “Privacy Settings”.

2.Select “view settings “ in the “Basic Directory information” section.

3. For “send me messages” setting choose “Friends only”. Or you can choose “Friends of Friends “ if you wish.

turn off facebook email

If you choose ‘Friends only “ Facebook won’t send messages from people other than your friends in Facebook, those senders will receive automatic bounce-back replies.

It can take 24 hours for selected messaging options to take effect.