> -----Original Message-----
> From: David Woodhouse [mailto:dwmw2@infradead.org]
> That's a completely arbitrary technical distinction which has
> absolutely
> no meaning in _practice_. You haven't noticed that my email isn't from
> dwmw2@??? directly but is in fact from some
> SRS0+... address; why do you claim it makes any difference in the case
above?
Essentially the issue here is that no one cares about the MAIL FROM address,
except when the mail bounces. That's a weakness of SPF as an anti-phishing
method.