certification of identity

Name    : 
E-Mail  : 
Subject : 

Comments:
: hi to everyone
i wanna ask about the certification of identity, 
where can i  get a notary public signature ?
what do they mean by notary public???

If you press "Preview Message," you are taken to a preview screen where your
message is shown to you before allowing you to post it.
Your message is not finalized until you click "Post Message".