Re: SPF and "techie" broadband ISPs

Adam Hunt wrote:

> Michael R. Brumm wrote:
>
> > > If I understand this (and I may not) Speakeasy's [ed: 
> > > speakeasy.net's] SPF
> > > record isn't in any way preventing Billy Bob from running his MX for
> > > BillyBobsCrib.net [ed: within Speakeasy's IP address range]. The only 
> > > thing
> > > it prevents him from doing is directly originating mail from 
> > > speakeasy.net
> > > (without going through Speakeasy's POP, IMAP or shell server).
> >
> >
> > > Does the above sound somewhat correct?
> >
> >
> > Yes.
> I've spent the last few hours learning about SPF mostly by reading the 
> archive.  It seems to me that the above senario is often not understood 
> many geeks, freaks and other possible adopters.
It might be good to post a more coherent writeup of the situation 
described above and post it on the objections page.  Just a thought.