Allen Coates: > It seems rather pointless to offer an IPv6 address to an IPv4 RBL - and > vice versa.
spamhaus supports the same queries as for IPv4, as described in the first stage of their two-stage IPv6 Blocklists Strategy. I expect that some other DNSBLs will do similar things. > Is there a way of segregating IPv4 and IPv6 tests in postfix? Not at this time. What would a segregated user interface look like in smtpd? In postscreen? Wietse