those crazy disclaimer messages on emails

I got an email today from a friend of mine that contained the message below.

[THE INFORMATION CONTAINED IN THIS E-MAIL MESSAGE IS INTENDED ONLY FOR THE USE OF THE INDIVIDUAL OR ENTITY NAMED ABOVE. IF THE READER OF THIS MESSAGE IS NOT THE INTENDED RECIPIENT, OR IS NOT THE EMPLOYEE OR AGENT RESPONSIBLE FOR DELIVERING IT TO THE INTENDED RECIPIENT, YOU ARE HEREBY NOTIFIED THAT ANY DISSEMINATION, DISTRIBUTION OR COPYING OF THIS COMMUNICATION IS STRICTLY PROHIBITED. IF YOU HAVE RECEIVED THIS MESSAGE IN ERROR, PLEASE IMMEDIATELY NOTIFY US BY TELEPHONE OR REPLY BY E-MAIL AND THEN PROMPTLY DELETE THE MESSAGE. THANK YOU.]