mod_roster_command: Fix subscription when the "user JID" is a bare domain. Do not attempt to update the roster when the user is bare domain (e.g. a component), since they don't have rosters and the attempt results in an error: $ prosodyctl mod_roster_command subscribe proxy.example.com contact@example.com xxxxxxxxxxFailed to execute command: Error: /usr/lib/prosody/core/rostermanager.lua:104: attempt to concatenate local 'username' (a nil value) stack traceback: /usr/lib/prosody/core/rostermanager.lua:104: in function 'load_roster' /usr/lib/prosody/core/rostermanager.lua:305: in function 'set_contact_pending_out' mod_roster_command.lua:44: in function 'subscribe'

# This script depends on spam-blocking.pfw also being loaded
# Any traffic that is not explicitly blocked or allowed by other
# rules will be checked against the JabberSPAM server blocklist

%LIST blocklist: https://cdn.jsdelivr.net/gh/jabberspam/blacklist/blacklist.txt

::user/spam_handle_unknown_custom

CHECK LIST: blocklist contains $<@from|host>
BOUNCE=policy-violation (Your server is blocked due to spam)