[RFCI-Discuss] DSN listing of secureserver.net

[Matus UHLAR - fantomas]

> > On Tue, Oct 24, 2006 at 01:11:18PM -0400, Alan Brown wrote:
> > > SPF checks are supposed to be based on the envelope sender address, not
> > > the source IP address or the EHLO.

> On Tue, 24 Oct 2006, Alex van den Bogaerdt wrote:
> > This is not true.

On 24.10.06 16:07, Alan Brown wrote:
> I just checked, you're right, but ONLY in the case of null sender:
> 
> HELO tests
> 
> For an empty Return-Path as used in error messages and other
> auto-replies SPF checks the HELO-identity. Actually it checks an
> artificial postmaster at mail.example.org address for a HELO or EHLO
> mail.example.org.

Aha, this was the problem, I missed it too when set up SPF records...
problem explained.
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