this solution has a flaw which in certain circumstances allows the malicious construction of apparently authentic messages. Finally note that it is not the intention of the author to criticise what is after all only an RFC,l but rather to ensure that possible solutions to multi-destination secure message authentication problems are analysed with care. There are many lessons to be learnt from th...

A field study was conducted using a questionnaire and interview:; concerning how electronic mail (E-mail) is used as a work tool for communication. The questionnaire, distributed electronically within a large organization, showed that employeessending and receiving large numbers of E-mail messages are not the same employees having problems handling E-mail. Managers seem to have problems to a la...

The PASSWORD project provided a pilot secure electronic mail service across Europe. This paper describes some of the lessons we learned.

The growing use of the Internet promotes the replacement of traditional manual transactions by equivalent electronic services. Research was carried out to investigate enhanced services related to electronic mail. This paper points out that a certified email protocol has to provide the sender of a certified email with an evidence that this email has been either received or refused by its recipie...

This paper describes a system for the adaptive filtering of electronic mail. The goal is to detect important messages which are flagged for the user to read in priority. The system uses the Latent Semantic Indexing (LSI) technique to extract “semantic concepts” from a set of sample messages. Adaptation takes place by adding new messages with their evaluation by the user, and eventually modifyin...

In today’s world, e-mail has become one of the most important means of communication in business and private lives due to its efficiency. However, the problems start as soon as mail volumes go beyond the scope of human information processing capabilities. Firstly, time does not allow for leaving certain messages unanswered for a long time, and in certain cases, for reading all messages. Secondl...