Method and system for sending electronic mail over a network

System including a server with a processor and a memory for sending electronic mail messages (emails) over an external network such as the internet, comprising a mail processing unit which can be connected to the external network and an internal network for the purpose of processing outgoing electronic mail messages, wherein the system comprises:

• first input means allowing a user to enter text, image or sound data;
• generating means for generating on the basis of the input data at the first input means an electronic mail message to be reviewed;
• addressing means for addressing the generated unreviewed mail message;
• storage means for storing the generated unreviewed mail message within the internal network;
• display means for mandatorily showing the content of the unreviewed mail message to a previously specified supervisor associated with the user that is part of the internal network;
• second input means allowing the supervisor to enter a review code;
• sending means which is adapted to send, only after receipt of the review code, the electronic mail message over the external network to the addressee;
• and means for 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 addressing means for addressing the generated unreviewed mail message by the mail processing unit comprises means for addressing the supervisor linked to the user that generated the mail message, characterized in that the sending means is admitted to add to the generated 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 and to then send the mail message with the added display indicator to the addressee regardless whether or not the content of the mail message has been approved.