Method of safely sending e-mails over LAN

摘要

The present invention is to provide a method of safely sending encrypted e-mails over LAN comprising the steps of installing a LAN access program on a wireless communication device; connecting the wireless communication device to a LAN; setting LAN access conditions in the LAN access program prior to sending e-mail; and enabling a CPU of the wireless communication device to perform the sub-steps of performing an authorization at a server based on the LAN access conditions; after gaining the authorization, adding corresponding encrypted codes on the e-mail based on a selected safety level; and sending the encrypted e-mail over an authorized VPN.