Dean Anderson wrote:
> On Mon, 10 Jan 2005 [email protected] wrote:
>
> I think you're forgeting that _every_ user (including every spammer
> and forger, and virus-infected computer) has relay services provided
> by their provider. They have those services right up until they don't.
>
> SPF takes for granted that the ISP's users can forge email to the ISPs
> relay, and doesn't address that problem. This opens the possibility
> for 100% blowback.
True. Consider Sammy Spammer using Example ISP. They could send email all day long from [email protected], and if I reject the email on the grounds of being malware, isp.example.com's mail server is going to deluge [email protected] with lots of blowback.
But surely [email protected] can report this to Example ISP, who should have the necessary logs to be able to catch Sammy Spammer, or at least terminate their access.
> You may reject some virii. But I think you don't reject all virii
Right, I can't catch all virii. But I can reject the ones I do catch.
Matthew.van.Eerde (at) hbinc.com 805.964.4554 x902
Hispanic Business Inc./HireDiversity.com Software Engineer
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