Abstract: A server for modifying electronic mail messages being sent from a computer network, the original electronic mail messages being sent with an electronic mail server by users of the network to recipients, the server including a database storing frame content as well recipient and user identifiers and framing rules; and a processor for superimposing a frame onto one of the original electronic mail messages based on the recipient of the original electronic mail message thereby producing a framed electronic mail message. Preferably, the database further stores user identifiers and the superimposing of frames onto the original electronic mail message is further based on the user identifiers.