.TH "XSEND, XGET, ENROLL" 1
xsend, xget, enroll \- secret mail
These commands implement a secure communication
but no one can read the messages except the intended recipient.
The method embodies a public-key cryptosystem using knapsacks.
it asks you for a password that you must subsequently quote
in order to receive secret mail.
It asks for your password, then gives you the messages.
in the same manner as the ordinary mail command.
(However, it will accept only one target).
A message announcing the receipt of secret mail is also sent
/usr/spool/secretmail/*.key: keys
/usr/spool/secretmail/*.[0-9]: messages
It should be integrated with ordinary mail.
The announcement of secret mail makes traffic analysis possible.