>>> 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)
>>> using ACL "a1"
>>> processing "deny"
>>> check hosts = 1.2.3.4 : <; 1.2.3.4::5.6.7.8
LOG: unknown lookup type "<" in host list item "<; 1.2.3.4:5.6.7.8"
>>> host in "1.2.3.4 : <; 1.2.3.4::5.6.7.8"? lookup deferred for <; 1.2.3.4:5.6.7.8
>>> deny: condition test deferred
LOG: H=[V4NET.0.0.0] F=<> temporarily rejected RCPT <a@b>: unknown lookup type "<"