... email should be sent by a direct connection from the client to
the recipient mail server, rather than this store and forward crap.
This would eliminate the only available technique for strong anonymity
or pseudonymity. Strong anonymity or pseudonymity cannot be achieved
if there is a direct connection from the sender to the recipient
because it can be traced. For strong anonymity or pseudonymity, the
only available secure technology is anonymizing remailers with random
latency store and forward.