Looks like there might be a little more to do, with regard to email reputation.

SPF and DKIM signing fail, and there is a published DMARC record that quarantines 100% of DMARC failures.   So the list emails are going to end up in spam folders (they ended up in my Gmail spam folder) because SPF/DKIM/DMARC all failed.

2a0a:bb00:0:44::1d needs added to the mailman.ampr.org SPF record
and it appears the mailman.ampr.org emails are being signed with an ARDC.NET DKIM key rather than a mailman.ampr.org DKIM key

Mike / AA8IA

On Thu, Apr 21, 2022 at 9:07 AM Chris Smith via 44net <44net@mailman.ampr.org> wrote:
Hello All,

FYI, we had an issue with the mailing list server last week:

The server the mailing list is hosted on experienced an unexpected reboot. The server came back up ok and all the services associated with the mailing list continued to run, so Nagios (the application we use to monitor our systems) did not report any issues. However, the sudden reboot had corrupted several open files associated with the mailing list software (Mailman 2.1) and the 44net mailing list was not passing emails. As the list often goes through quiet periods this was not noticed for several days.

Unfortunately the backup period for the server  was only set to a few days and by the time the issue was investigated all the available backups were of the corrupted files.

As the longer term plan was always to migrate from the older (now unsupported) Mailman 2.1 to the latest Mailman 3.1 the decision was taken to migrate the mailing list to a new server. ARDC already has a Mailman 3 server for some internal mailing lists, so we migrated the 44net list there.

I am pleased to report that the archives from the old server were successfully migrated over, so no loss of data there thankfully.

The web interface for the new home of 44net can be found here:

https://mailman.ardc.net/mailman3/postorius/lists/44net.mailman.ampr.org/

The MX record has been updated to point to the new server, so you should continue to send emails to 44net@mailman.ampr.org to post to the list.

I want to take this opportunity to thank John - KI5D for hosting the mailing list since we had the last big crash in 2012. The mailman server, with John looking after it has provided excellent service to the community. John is going to continue to help out by acting as admin for the 44net mailing list on it’s new home.

Best 73,
Chris - G1FEF


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