1. A person is guilty of a class A misdemeanor if, knowing that a letter, postal card, or other written private correspondence has not yet been delivered to the person to whom it is directed, and knowing that he does not have the consent of the sender or receiver of the correspondence, he:
a. Damages or destroys the correspondence with intent to prevent its delivery;
b. Opens or reads sealed correspondence with intent to discover its contents; or c. Knowing that sealed correspondence has been opened or read in violation of subdivision b, intentionally divulges its contents, in whole or in part, or a summary of any portion thereof.