FIELD: information technologies.
SUBSTANCE: messages filtered on a mail server and recognised as a virus and spam are not only marked, moved to a different mail box or deleted, but also copies of such letters are returned to a sender, as a result its mailbox is overfilled and blocked, and sending of unauthorised bulk e-mail from this address stops. Mailboxes of e-mail servers must be adjusted so that in case of overfilling they become blocked, interrupting mailing.
EFFECT: provision of high extent of protection of information resources of a computer network against unauthorised access of users of a global information network as e-mail messages are exchanged.
2 cl
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