A computer implemented method for sending a message to a recipient user, receiving a message by a recipient user, a computer readable storage medium and a computer system

摘要

The invention relates to a computer implemented method for sending a message to a recipient user, wherein a recipient asymmetric cryptographic key pair is associated with the recipient user, said key pair comprising a public recipient key (118) and a private recipient key (116), the method comprising sending the message to said recipient user with the recipient address to which the message is sent comprising the public recipient key (118).