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Date: Thu, 16 Oct 2025 19:03:43 +1100
To: cygwin AT cygwin DOT com
Subject: Re: Has there been a mailing list outage revently?
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From: Duncan Roe via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Duncan Roe <duncan_roe AT optusnet DOT com DOT au>
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On Wed, Oct 15, 2025 at 05:56:48AM -0600, cygwin wrote:
> On 2025-10-14 16:36, Backwoods BC via Cygwin wrote:
> > On Tue, Oct 14, 2025 at 3:25 PM Duncan Roe via Cygwin <cygwin AT cygwin DOT com> wrote:
> > >
> > > Hi everyone (especially admins),
> > ...
> > > This is the first email I've received from cygwin since Mon, 13 Oct 2025
> > > 04:03:05 GMT. That's when I sent an email to the list which didn't come back and
> > > isn't in the archive. (There's only 1 email from 13 Oct in the archive,
> > > https://cygwin.com/pipermail/cygwin/2025-October/258880.html sent at 06:48:00
> > > GMT).
> > >
> > > If I see this email come back, I can re-send the 2 missing ones, otherwise ...??
> >
> > I was dropped by the list server a year or so ago and had to
> > re-subscribe. No reason that I was able to determine. A sample size of
> > 1, but it does happen.
>
> Happened to me a number of times when my email providers took too long to
> process/bounced incoming email, or had inadequate DKIM, DMARC, SPF
> authentication records for their or my domains:
>
> 	https://www.cloudflare.com/en-gb/learning/email-security/dmarc-dkim-spf/
>
> --
> Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada
>
This is getting weird. I re-sent the 2 messages and they didn't get to cygwin
*again*. I guess some pattern in their content must be triggering cygwin's spam
filter. I'm contemplating sending them as gzipped attachments - does anyone know
if the spam filter unzips those and checks them anyway?


Cheers ... Duncan.

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