How do you block all messages on Facebook?

Log in to your Facebook account and click the account menu arrow; then select "Privacy Settings." Click "Edit Settings" next to How You Connect. Click the drop-down menu next to "Who can send you Facebook messages?" and select your option. Choose from Everyone, Friends or Friends of Friends. read more

If you block messages from someone, but you don't block them on Facebook, you'll still be able to see their Facebook profile. Depending on their privacy settings, you may also be able to see things like their status updates, comments, likes and tags on Facebook. read more

Sorry, everyone on Facebook can send you messages. If there is someone bothering you, you can block him. read more

You can block chat messages from specific people or stop emails from everyone but your contacts. Facebook also has a block option that prevents a person from viewing your profile or contacting you in any way. read more