Once a week at Sunday 0:00 I get an email with a report:
Virtual server validation
Virtual server validation
Virtualmin configuration check
Your system has 31.33 GB of memory, which is at or above the Virtualmin recommended minimum of 512 MB.
BIND DNS server is installed, and the system is configured to use it.
Mail server Postfix is installed and configured.
…
Where can I disable it? Where is this in options?