FIELD: radio engineering, communication.
SUBSTANCE: method comprises the steps of: receiving an e-mail message sent by the sender by the incoming message server of the communication operator; checking incoming messages by the server, whether the sent e-mail contains the e-mail address to be certified; transmitting the message unchanged to the recipient; inserting and recording text and other elements of the e-mail message sent by the sender to the communication operator database; creation of the electronic receipt by the data processing unit containing at least the data of the recipient, the date of message retrieval, the date of the message receipt, its contents, the attached data and the notification of the message receipt without changes transmitted to the recipient user; imposition of a digital signature algorithm on an electronic receipt using an appropriate algorithm in the certification server to obtain a certificate; and passing the certificate to the sender through the outgoing message server.
EFFECT: improved security of data transmission.
13 cl, 3 dwg
