Re: Microsoft takes over British Telecom

On Oct 23, 2011, at 7:39 AM, Alessandro Vesely wrote:

> On 21/Oct/11 19:07, Steve Atkins wrote:
>> 
>> The bigger issue is that you shouldn't care about SPF failing. An SPF pass
>> provides somewhat useful data, an SPF fail means absolutely nothing.
> 
> Wasn't it supposed to mean "reject"?  IIRC, that was the difference
> between setting -all (as irtf.org does) rather than ~all or ?all.

That's what it's proponents used to claim, yes. But it's unfixably broken for
that purpose. The only reason you don't see serious mail problems for
anyone unwise enough to use -all is that almost nobody pays much attention
to SPF for rejecting email.

Cheers,
  Steve