Can send an administrative message, this has to embed the reason exact like the specific webpage on this website that the enquiry is about, or IP address details if regarding egress traffic from this site.
I received a deluge of XMPP messages from some services that may be allowing open registration, so these are blocked from contact.
This machine never intentionally allowed open registration, and it would bring it into scope of the public communications regulations, and I have had to lockdown the chat function to get out of scope of Online Safety Act. Indexers remain welcome to collect information.