[Gllug] Configuring SPF to cope with secondary incoming mail servers

[Nix]

On 4 Dec 2006, Jason Clifford stated:
> On Mon, 4 Dec 2006, Martin A. Brooks wrote:
>> SPF is a waste of everyone's time and effort.  Ignore it, it'll go away.
>
> I very much disagree. It can serve a helpful purpose so long as it is 
> clearly understood to be advisory only.

Yes: the presence of correctly-validated SPF headers is an excellent
indicator that something is spam. (Why? Because the spammers are
enthusiastic early adopters of things that help them get past
spamfilters, that's why.)

-- 
`The main high-level difference between Emacs and (say) UNIX, Windows,
 or BeOS... is that Emacs boots quicker.' --- PdS
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