Mark,


On Mon, Feb 1, 2021 at 12:05 PM Mark Sapiro <m...@msapiro.net> wrote:

> On 2/1/21 6:07 AM, steve lund wrote:
> >
> > I don't believe that the ISP changed the list configuration recently. So
> if
> > this is NOT a DMARC issue then any other thought as to what it could be?
>
>
> DMARC mitigations are list settings set by the list admin (you) via the
> web admin UI, not by the ISP.
>

Found  that page. It was set to Munge.



>
> > Also remember that for some unexplained reason I, as the list manager,
> > didn't receive the intervening bounce messages either. I don't know if
> > these tripped Gmail's "throw it out" SPAM filter or something else
> > happened.
>
>
> Go to the web admin UI Bounce Processing page. Are all the notifications
> set to Yes? If so, and you are not receiving The notification on disable
> or the notification on bounce increment if that is on, and your address
> is correct for owner on the General Options page, then see below.
>
>
> > While troubleshooting this the ISP guy subscribed one of his bogus email
> > addresses to the list to see if I would get the bounce messages. So far I
> > did get one of them but Gmail put it in my SPAM box. I drug the message
> to
> > my Forums tab where hopefully when it happens again I will see it.
>
>
> So it seems the notices are being sent and delivered to your spam
> folder. You will need to regularly check that folder for these messages,
> or you MAY (I'm not an expert on this) be able to create a filter in
> Gmail to deliver them to some other folder, assuming Gmail filters trump
> `spam`. For purposes of filtering, these messages are
>
> From: mailman@<list domain>
> To: <list_name>-owner@<list domain>
> Subject: Bounce action notification
>

Previously, i.e. 6 months ago I was getting these notifications just fine
through my Gmail account. This tells me that the list config is correct. I
can't explain why these went from no bounce notifications only unsubscribe
to now being sent to SPAM folder. Seems like Google is mucking about with
its filters!



> These notices contain a copy of the bounce DSN and are the only way
> short of MTA logs that you will know why the messages are bouncing.
>
> If I had to guess though, the next most likely thing after DMARC is the
> sending server was blacklisted by some recipient domains.
>

This is what I was afraid of. Is there any way of confirming or denying
that this is happening. ISP guy complained about having to tell Yahoo the
mail server was a mail list and not SPAM. This would tell me that it was a
blacklist problem.

So how does an ISP keep their mail server OFF of the SPAM blacklist?

Thanks,
Steve





> --
> Mark Sapiro <m...@msapiro.net>        The highway is for gamblers,
> San Francisco Bay Area, California    better use your sense - B. Dylan
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