Meng,
MWW> Perhaps it depends on point of view.
MWW>From the sender's point of view, the record authorizes MTAs
MWW> to use the sender's name.
MWW>From the receiver's point of view, the record authenticates
MWW> MTAs as being permitted by the sender.
Here is a really revolutionary idea. Why do we not, instead, start
using standard technical terms in their standard technical way?
This groups needs to stop re-defining well-established security
terminology, especially when the primary effect of those redefinitions
is to make everything less consistent and precise, not more.
d/
--
Dave Crocker <mailto:dcrocker(_at_)brandenburg(_dot_)com>
Brandenburg InternetWorking <http://www.brandenburg.com>
Sunnyvale, CA USA <tel:+1.408.246.8253>, <fax:+1.866.358.5301>