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Hi there, can you please let me know how much time did the migration took in your case? I have a couple of servers in the same situation and I want to properly prepare any downtime or related issues before everything collapses...
I can replicate the following issue on 4 different servers CentOS 7/8 based with Plesk Obsidian Version 18.0.38 Update #1 + the latest WordPress toolkit
1. all updates to WordPress 5.8 to 5.8.1 are not being performed. After you click the update button, the system shows the update is installed...
Thank you @Sergio Manzi for posting the solution above, I confirm that running
# systemctl enable mailman
...solves the mailman service issue (post restart). Everything works correct now.
I have performed the steps above and the output is the following.
1. mailman reinstalled from scratch - all OK. Test message sent - received.
2. ran the command below - NO ERRORS
[root@server ~]# plesk repair mail
Repairing the mail server configuration
Reconfigure all domains and...
@IgorG - the strangest thing is that /var/log/mailman/error is empty (no entries inside). The only thing which I suspect is that mailman doesn't starts after a server reboot.
We are running Plesk Onyx (#24) on CentOS 7.4 and each time after we reboot the server Mailman stops working. Messages sent to mailing lists are sent but never received.
Uninstalling/Reinstalling Mailman via Plesk solves the issue and immediately after reinstall all the previously sent messages...
I have updated a Plesk Onyx 17.5.3 #21 server to CentOS Linux 7.4.1708 (Core) and the only issue is that all Mailman mailing lists are not working properly at the moment (messages sent to the lists are never received by the recipients). We are currently investigating this.