2 servers published under lumman. 0 answered our last handshake, 2 did not, and between them they expose 30 tools.
2 servers 0 answering 2 not responding
Gmail, Outlook, Hotmail, Microsoft 365, iCloud, Fastmail, other IMAP mailboxes: search, read, send.
Outlook.com, Microsoft 365, Google, iCloud, CalDAV: free time, events, invites, bookings, polls.