Don't waste your time with the non-standard "X-Received:" header.
The only SMTP headers that matter here are the standard "Received:"
headers that you cited.
> How are these the same times ? I'm seeing a clear 8 minute delay
> between them. This is all within Google's side.
>
> I only included the last hop to us to show it delivered instantly once
> it made it to Google's outbound delivery queue. That's not where the
> issue is.
>
> X-Received: by 2002:a05:690e:1249:b0:671:70d2:528c with SMTP id
> 956f58d0204a3-6790a24f8dfmr4281358d50.79.1791485476106;
> Thu, 08 Oct 2026 11:51:16 -0700 (PDT)
>
> Received: by mail-oa1-f69.google.com [1] with SMTP id
> 586e51a60fabf-46a4168b520so6111766fac.2
> for ; Thu, 08 Oct 2026 11:59:17 -0700 (PDT)
>
> On Friday, 09-10-2026 at 10:36 Randolf Richardson, Postmaster via
> mailop wrote:
>
>
> We've seen delays on Google's SMTP infractrcture intermittently, but
> usually not more than 10 minutes.
>
> The two "Received:" SMTP headers you included show the same times,
> but appear different due to being in different timezones.
>
> There is a lot of confusion lately with Pacific Time, however,
> becuase in Canada we changed from PDT/PST to PCT (which means that
> British Columbia {mostly} doesn't need to adjust our clocks two times
> each year anymore).
>
> What's made this confusing is that the "Canada/Pacific" timzone was
> removed, with some people recommending using "America'Vancouver"
> (even though we're not in Vancouver, Washington, USA, which will be
> adjusting their clocks from PDT to PST on 2026-Nov-01 whlie we won't
> be doing this here in Cnada).
>
> Some software is supporting this change, while other software is
> not, as the American "Vancouver" is incorrectly assumed authoritative
> for Candaa (which it isn't).
>
> Enter the ISO: Apparently they solved this problem, but I'm not
> seeing that solution working in the field, and I'm not looking
> forward to having to deal with end users with messed up timezones
> calling because they think their time is right and everyone else's is
> wrong.
>
> I believe the ISO should be supporting the "Canada/Pactific' and
> other "Canada/" timezones as this wlil properly resolve the problem
> since American timezones are different from Canadian timezones
> ("America/" is not the same as "Americas/" just in case anyone misses
> the subtle distinction indicated by the final letter "s" -- "America"
> is the USA, while "Americas" is the continential region).
>
> In summary, the confusion with timing could be due to the current
> mess with the timezones if any part of the systems are converting
> between Canadian and American timezones.
>
> > Anyone else received reports of delayed messages from Google and the
> > headers show delays within Google's infrastructure ? We got quite a
> > few this week with delays ranging from 5 minutes to 35+ minutes.
> >
> > Sample headers:
> >
> > X-Received: by 2002:a05:690e:1249:b0:671:70d2:528c with SMTP id
> > 956f58d0204a3-6790a24f8dfmr4281358d50.79.1791485476106;
> > Thu, 08 Oct 2026 11:51:16 -0700 (PDT)
> > Received: by mail-oa1-f69.google.com with SMTP id
> > 586e51a60fabf-46a4168b520so6111766fac.2
> > for ; Thu, 08 Oct 2026 11:59:17 -0700 (PDT)
> > Received: from mail-oa1-f69.google.com (mail-oa1-f69.google.com
> > [209.85.160.69])
> > by mx.emailarray.com (Haraka/3.2.0) with ESMTPS id
> > 412697C7-0042-4C4F-B15C-1B1869CE5EFE.1
> > envelope-from
> > tls TLS_AES_256_GCM_SHA384;
> > Thu, 08 Oct 2026 12:59:17 -0600
> >
> > Thanks,
> > Scott
> >
>
>
> --
> Postmaster - [email protected]
> Randolf Richardson, CNA - [email protected]
> Inter-Corporate Computer & Network Services, Inc.
> Vancouver, Beautiful British Columbia, Canada
> https://www.inter-corporate.com/
>
>
> _______________________________________________
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> To unsubscribe send an email to [email protected]
>
>
>
> Links:
> ------
> [1] http://mail-oa1-f69.google.com/
>
--
Postmaster - [email protected]
Randolf Richardson, CNA - [email protected]
Inter-Corporate Computer & Network Services, Inc.
Vancouver, Beautiful British Columbia, Canada
https://www.inter-corporate.com/
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