How can I set Facebook to disallow people that aren't my friends to PM me?

[Dilian]

I want to know how I can set Facebook not to allow people that are not my friends to send me PMs and if this is even possible. Thanks

[Kevin]

Under your privacy settings.

[Randi]

On the top right of your screen click the lock

Then click “Who can contact me?”

Then tick the box “Strict Filtering”

[NightElf]

under your Privacy Shortcuts -> who can contact me? -> Strict Filtering.

[Angeleyes]

Go to your privacy settings - "who can contact me?" click on Strict Filtering