著者: Ian Eiloart 日付: To: David Woodhouse CC: David Saez Padros, exim-users, Doug Jolley 題目: Re: [exim] Compile time problems
--On 3 April 2006 12:24:34 +0100 David Woodhouse <dwmw2@???>
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.