[Mimedefang] Deadline for SPF records

[David F. Skoll]

On Tue, 10 Aug 2004, Richard Laager wrote:

> If a potential customer sends you a message through a public access
> point and their domain has SPF enabled and doesn't list that access
> point as a valid relay, is that you fault? No, it's their
> administrator's fault for setting up restrictive SPF without properly
> configuring their employee's/user's laptops.

I agree.  And the problem is that it's next to impossible for a moderate-to-
large ISP to force its users to configure their laptops appropriately,
so I doubt we'll ever see a "-all" entry in SPF records for AOL, Hotmail,
etc.  This considerably reduces the effectiveness of SPF.

Regards,

David.