Non-repudiation is of course a needed property for many systems, but it is not a property a system, especially an everyday messaging system like email, should have by accident - even "weak" non-repudiation such as DKIM. It is a violation of privacy. The suggestion the author makes of course doesn't completely get rid of it, but at least makes it time-limited.
Non-repudiation is of course a needed property for many systems, but it is not a property a system, especially an everyday messaging system like email, should have by accident - even "weak" non-repudiation such as DKIM. It is a violation of privacy. The suggestion the author makes of course doesn't completely get rid of it, but at least makes it time-limited.