System and method of transferring information to a mobile terminal and electronic equipment associated thereto using codes embedded in electronic mails

An internet service server transmits an information link mail to a cellular phone through a cellular phone mail server. If the received e-mail is an information link mail the cellular phone transfers it to a navigation apparatus. Upon receipt of the information link mail, the navigation apparatus starts a predetermined application and provides a service to a user. The cellular phone further starts a predetermined application and stores predetermined information in the cellular phone. The cellular phone communicates with an authentication apparatus through a wireless tag reader. The authentication apparatus checks predetermined information and performs authentication as a result of the check.