Incoming messages are sent to quarantine even though quarantine is deactivated


as the shared mailboxes that we use almost exclusively cannot use the mail quarantine, we have not been using mail quarantine since the switch to SFOS. Recently, however, important messages have been ending up in quarantine again due to an allegedly unsuccessful DKIM check. I have checked the settings: The messages should be rejected and not end up in the mail quarantine. What is going wrong?

Best Regards

Added V19.5 MR3
[edited by: Erick Jan at 6:24 AM (GMT -8) on 5 Dec 2023]