> > > > There may well be cute and clever things that only DNSDB enables. > > > > But DNSDB is *not* needed to test for a PTR RR. > > Checking for the presence of a PTR record, and looking for valid reverse > DNS are not the same things. > > The reverse_host_lookup functions in Exim will fail if the > forward-check also fails. > > If you only want to check for the presence of a PTR record, and do not > care about the forward-check, I haven't been able to find any way to do it > without using dnsdb. > > >
Exactly. Often reverse DNS and forward DNS do not match and that does ALWAYS mean its SPAM. If there is no reverse DNS at all I see no reason not to defer though. Matt -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
