Patent ID: 8543650

Claim:
Method for sending electronic mail messages (emails) via an external network such as the internet through a mail processing unit coupled to an internal network, comprising: generating at a user computer that is part of the internal network a user's electronic mail message to be reviewed, wherein the mail message comprises text, image or sound data; addressing the generated unreviewed mail message by the mail processing unit; temporarily storing the generated unreviewed mail message at the mail processing unit; mandatorily showing the unreviewed mail message to a previously specified supervisor associated with the user computer that is part of the internal network; sending the electronic mail message to the addressee over the external network only after review of the content of the mail message by the supervisor; and linking each of the users of the mail processing unit to one or more associated supervisors, by making use of relations between the different users and supervisors that are pre-stored in the mail processing unit, wherein the step of addressing the generated unreviewed mail message by the mail processing unit comprises addressing the supervisor linked to the user that generated the mail message, characterized in that the step of sending the mail message to the addressee over the external network comprises adding to the reviewed mail message a display indicator indicating whether or not the content of the mail message has been approved by the supervisor associated with the user's computer and then sending the mail message with the added display indicator to the addressee regardless whether or not the content of the mail message has been approved.