The sending server authenticates the authorized
recipient for reading the e-mail. No one else
can pretend to be the recipient to peek the
The sender knows if the recipient has read the
The sender can recall the e-mail at any time.
Instead of filtering multiple copies of the
e-mail on multiple receiving servers, one source
e-mail can be filtered on the sending server.
If any malicious e-mail is identified, simply
block the source e-mail at the sending server
instead of broadcasting to the public to warn of
May significantly reduce network traffic.