On Wed, 15 Sep 2004, David Woodhouse wrote:
We should avoid such an occurrence. The first publication must prohibit
("MUST NOT") the use of '-all' in records of either scope until such
time as it is later decided that the Internet as a whole is quorate with
respect to whatever reverse-path/header modification is required for
each.
Agreed. In fact, there might just be too many email forwarding
accounts out there to ever have a scheme like SPF work right.
The validation of email really needs to be from the sender to
the recipient, regardless of whether or not anybody else in-between
handled the mail...
Rik
--
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan