->>> host in "1.2.3/24"? no (malformed IPv4 address or address mask)
->>> deny: condition test failed
->>> end of ACL "a2": implicit DENY
-LOG: H=[V4NET.0.0.0] F=<> rejected RCPT <a2@b>
+>>> host in "1.2.3/24"?
+>>> list element: 1.2.3/24
+>>> host in "1.2.3/24"? no (malformed IPv4 address or address mask: 1.2.3)
+>>> deny: condition test failed in ACL "a2"
+>>> end of ACL "a2": implicit DENY
+LOG: H=(test) [V4NET.0.0.0] F=<> rejected RCPT <a2@b>