IBM Lotus announces today the release of Notes/Domino 9.0.1 Fix Pack 2
Some emails are stuck in the mail.box and if you try to re-save them you got the error message "Can't change document's UNID". The solution to fix that is quite simple.
If you run a security scan (e.g. Nessus) against a Domino HTTP / SMTP Server you might get the following result:
Hostname: "Domino1" (xxx.xxx.xxx.xxx)
Plugin name: "SSL/TLS Protocol Initialization Vector Implementation Information Disclosure Vulnerability"
Risk factor: Medium
Fixing this "issue" is quite easy: