Abstract: The invention is directed to a system to authenticate an electronic message to a recipient in a sender's handwriting. The system has a server including a processor and a software application configured to execute instructions related to: identifying the electronic message composed by the sender, converting the electronic message composed by the sender into the sender's handwriting, where the sender's handwriting is in an electronic format; the electronic format defining a sender's electronic handwriting message, formatting the sender's electronic handwriting message to correspond to the formatting of the electronic message composed by the sender, encrypting the sender's electronic handwriting message to restrict readability of contents, and transmitting the sender's electronic handwriting message to the recipient.