On Sun, Jan 25, 2004 at 09:06:47PM +0100, David Saez wrote:
Well, the same applies to SPF. There's nothing effective you can do
against spam originating from hacked client or server computers, except for
avoiding being hacked.
spf will stop all spam comming from hacked client computers. It will
require spammers to buy domains that they must spf-enable so mail could
be accepted from dls/cable hacked computers. This costs money and is
easy to detect.
Not in all cases. If the client computer's IP address matches the
SPF string of the RHS, it is considered a legitime mail outlet.
This RHS may or may not be the domain where this client belongs.
IOW it depends on the setup.
cheers,
Alex
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