On Wed, Dec 20, 2017 at 1:48 PM A. Schulze via dmarc-discuss < dmarc-discuss@dmarc.org> wrote:
> > > Am 20.12.2017 um 18:44 schrieb Roland Turner via dmarc-discuss: > > What HELO/EHLO hostname is being presented? > > I'm out of office for the next days and have no access to that data. > From what I remember it's the hostname of the sending system, a rDNS > related to Microsoft. > > Why do you think, the EHLO is important? > For bounces (ie, empty MAIL FROM), the EHLO argument is used for the SPF lookup, so it is technically possible for there to be a valid SPF record. That said, I wouldn't bet on it. I know there's still an open bug to create the DNS SPF records for our EHLO hostnames at Google, it was just never a high priority. Plus, it wouldn't really help the DMARC case because our DSN's come from @googlemail.com for some reason I was never clear on but our EHLO hostnames are google.com. Brandon
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