On Fri, Dec 21, 2007 at 08:52:32PM -0500, Bill Adragna wrote:
But they will change their SPF record every day.... won't they?
Who cares?
An anti-spam system doesn't care if the sending host is or is not
authorized. All it cares about is that domain $spammerdomain is
used.
Or are you going to accept spam, just because the sending host was
authorized by the spammer? If you do, you didn't quite understand
what SPF is about. A pass does not mean you shouldn't look further.
A fail does mean you don't need to waste valuable resources, such
as looking at DKIM, SRS, anti-virus, anti-spam.
Alex
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