12 Laws of Malaysia Act 658 (3) As between the originator and the addressee, the addressee is entitled to regard an electronic message as being that of the originator, and to act on that presumption, if— (a) the addressee properly applies an authentication method agreed between the originator and the addressee for ascertaining whether the electronic message was that of the originator; or (b) the electronic message as received by the addressee resulted from the actions of a person whose relationship with the originator or any agent of the originator enabled that person to gain access to an authentication method used by the originator to identify electronic message as its own. (4) Subsection (3) does not apply if— (a) the addressee has received a notice from the originator that the electronic message is not that of the originator and has reasonable time to act accordingly; or (b) the addressee knew or should have known that the electronic message was not that of the originator had he exercised reasonable care or used any authentication method agreed between the originator and the addressee. Contents of electronic message 18. Where an addressee receives an electronic message, the addressee is entitled to regard the electronic message as being what the originator intended to send, and to act on that presumption, unless the addressee knew or should have known, had he exercised reasonable care or used any agreed procedure, that the transmission resulted in any error in the electronic message as received. Each electronic message to be regarded separately 19. Where an addressee receives an electronic message, the addressee is entitled to regard each electronic message received as a separate electronic message and to act on that presumption, unless the addressee knew or should have known, had he exercised reasonable care or used any agreed procedure, that the electronic message was a duplicate.