On Feb 1, 2004, at 8:14 PM, william(_at_)elan(_dot_)net wrote:
- Users want to be able to make sure they are the only ones who can use
their email address (no spoofing)
Probably unrealistic, but it probably is realistic to build a system
that allows a receiver of a message to prove that it did (or didn't)
come from the person claiming to send it. This may seem like
nitpicking, but the semantical change is important.
- Some users want to check if message would be delivered, such as if
email
address exists at all and if they want to accept such message even
before
attepting to send the message
bounces are a whole area to be deciphered. Return receipts are a
potential privacy concern --- there should be a mechanism to request
one, but the receiver should have final say on whether it's returned or
not.