AV>> I don't: INO4 makes some sense only with DNS names.
MvdV> I disagree. "Dumb mailers" will try to keep connecting as explained in MvdV> the justification for the flag in FRL1038.001 section 2.
MvdV> Binkd when on an IPv4 connection, will keep trying to connect to MvdV> 2:221/10 until the sysop or other software intervenes. Binkd is not MvdV> smart enough to realize that 221/10 is an IPv6 only node and that it can MvdV> never connect via an IPv4 only connection. The INO4 flag is still MvdV> usefull in this case as it allows more intelligent agents to avoid or MvdV> remdy the above situation.