>>> DNS lookup for 20.12.11.V4NET.rbl4.test.ex succeeded (yielding 127.0.0.6)
>>> => that means V4NET.11.12.20 is listed at rbl4.test.ex
>>> check add_header = DNSlist: $dnslist_domain $dnslist_text $dnslist_matched
>>> = DNSlist: rbl4.test.ex V4NET.11.12.20
>>> warn: condition test succeeded in ACL "check_mail"
>>> DNS lookup for 20.12.11.V4NET.rbl4.test.ex succeeded (yielding 127.0.0.6)
>>> => that means V4NET.11.12.20 is listed at rbl4.test.ex
>>> check add_header = DNSlist: $dnslist_domain $dnslist_text $dnslist_matched
>>> = DNSlist: rbl4.test.ex V4NET.11.12.20
>>> warn: condition test succeeded in ACL "check_mail"