The present disclosure is directed to a method for sending and receiving an encrypted message and a system thereof. The method includes steps of encrypting a message, transforming the encrypted message into network address, sending the network address to a receiver, and accessing a server according to the network address by the receiver, and a server decrypting the message, presenting the decrypted message to the receiver, and thereafter preventing the message from being accessed. Advantages include that any mobile phone capable of connection to a wireless network can read an encrypted message without installation of a decryption software on a mobile phone of a receiver.