>>> using ACL "check_recipient"
>>> processing "deny"
>>> check senders = testdb;defer
->>> userx@somehost.example.com in "testdb;defer"? lookup deferred for testdb;defer
+>>> userx@somehost.example.com in "testdb;defer"? list match deferred for testdb;defer
>>> deny: condition test deferred
LOG: H=[1.2.3.4] F=<userx@somehost.example.com> temporarily rejected RCPT <x@y>: testdb lookup forced DEFER