[MM3-users] Re: Aborted connection message in log in every 5 minutes

$ mailman shell Welcome to the GNU Mailman shell Use commit() to commit changes. Use abort() to discard changes since the last commit. Exit with ctrl+D does an implicit commit() but exit() does not.

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for mlist in getUtility(IListManager).mailing_lists: ... print(mlist.fqdn_listname) ... (here should be a list of your mailing lists)

Yes that command prints the list of my mailing lists and it triggers the "[Warning] Aborted connection" MariaDB log entry.