Replying to a message from: Tommy

1: For CVE-2023-46589, CVE-2023-45648, CVE-2023-44487, CVE-2023-42795,only need to update xeams.jar and webfornt.zip? Or we need to the JRE software?
2: New features configuration is only show once,if need to update,which link it is?
3: Server Configuration>>Manage Alerts>>First Login Alert
Even you click to enable it and save,it never work,always is disabled
4: For Generate NDRs,the Message-ID is added or not?
5: When view a message>>Forward To>>
(1)NDR-Junk,the message is not about junk,but as blow:
Remote host said: 550 Requested mail action not taken: mailbox unavailable
(2)NDR-User not found,it is correct info:
Remote host said: 450 Requested mail action not taken: mailbox unavailable