13. A non-transitory computer readable storage medium, tangibly embodying a program of instructions executable by the computer for identifying questionable content in a proposed communication from a sender, wherein the proposed communication comprises initial content, the program of instructions, when executing, performing the following steps: receiving the initial content; receiving an identification of at least one proposed recipient; receiving private information associated with the proposed recipient from a source of private information about the proposed recipient; receiving public information associated with the proposed recipient from a source of public information about the proposed recipient; identifying, based upon the received initial content, the received private information and the received public information, at least a portion of the initial content as the questionable content; and indicating, to the sender, the identified questionable content.
15. The non-transitory computer readable storage medium of claim 13 , wherein the identified questionable content is indicated to the sender by visually modifying the initial content.