>>> host in hosts_connection_nolog? no (option unset)
>>> host in host_lookup? no (option unset)
>>> host in host_reject_connection? no (option unset)
>>> host in sender_unqualified_hosts? no (option unset)
>>> host in recipient_unqualified_hosts? no (option unset)
>>> host in helo_verify_hosts? no (option unset)
>>> host in helo_try_verify_hosts? no (option unset)
>>> host in helo_accept_junk_hosts? no (option unset)
LOG: rejected HELO from [10.10.10.10]: syntactically invalid argument(s): !@#$%^&*(
LOG: SMTP syntax error in "debug" H=[10.10.10.10] unrecognized command
LOG: SMTP syntax error in "rhubarb" H=[10.10.10.10] unrecognized command
LOG: SMTP syntax error in "mail" H=[10.10.10.10] unrecognized command