On 2011-06-14 at 20:58 +0100, Graeme Fowler wrote:
> On Tue, 2011-06-14 at 00:24 -0400, Phil Pennock wrote:
> > You're using sender *callout* verification to systems not under your
> > administrative control.
>
> Really? Not necessarily.
Not necessarily, but highly likely given that the address which was
failing was <postmaster@???> and I suspect that address
does not *send* a lot of email.
> Religion, pfft. Let's deal with it scientifically, please.
I tried to assert what happens in practice and advise on how to avoid
the issue, not pass a value judgement -- I myself don't block sender
callouts, but I've encountered those who do, including the operators of
the DNSxL described at:
http://www.backscatterer.org/
A headache might have led to my writing style being more abrasive than
usual, in which case I apologise for the lack of diplomacy.
-Phil
