--On 3 April 2006 12:24:34 +0100 David Woodhouse <[EMAIL PROTECTED]> wrote:



2. SPF doesn't necessarily include _only_ the departmental servers in
its 'PASS' results -- it could well include the students' subnets too,
and I doubt you want to whitelist those.

True, but I'd hope that those institutions have proper controls. In our case we'd be able to track a student abusing the network, and we're very soon going to firewall all but our official servers, so that they can't send mail out on port 25.


--
Ian Eiloart
IT Services, University of Sussex

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