Just go to your settings and block the messages from going to the email
There doesn't actually exist a way for you to preemptively block dirty text messages. You can however block numbers from texting you that have sent you dirty text messages.
how to block messages of unknown person on facebook
you can't
Yes
You can stop someone by sending message only by blocking that person from your Facebook. Messages will only be stopped when you block the person who is stalking.
when they chat to you it will go to messages
You need to call up Rogers and request that they block external messages.
yea set up a password so nobody can see you messages
yes
yes
I think if you block a person on facebook, he/she is removed from the friends list.