Affiliation:
1. Kasetsart University Siracha Campus
Abstract
In present, manufacturing organizations in some countries will have to submitinformation to both internal and external to the organization, called circular mail to report newswithin the organization or external relations. Administrative officer is responsibility about to senda circular mail for each organization and will be responsible for receiving letters in paper form orpublication or media message. Then the administrative officer will be read and extracted the letterand send a message in the form of emails to receivers as indicated on the letter. In mailings sendsuch potential attacks from disgruntled individuals; such as a change of email messages duringtransmission or identity thieves use a fake email address to send officials to the other party. If anattack occurs, the organization will make a loss. In terms of stability credibility and security in theuse of corporate email. This paper presents a model and how to send an email or letter online ina format that is more stable and secure by the applied technology of public key cryptography andhash function to encrypt the message to provide stability and security in the mail's circulars online.
Publisher
Trans Tech Publications, Ltd.