>>>>> "Philip" == Philip Hazel <ph10@???> writes:
[...]
Philip> The way this works is that the sender's IP address is looked up by
Philip> gethostbyaddr(). What you are asking is that, if gethostbyaddr() yields
Philip> an unqualified address (e.g. localhost), then it should be qualified.
Philip> What would this have yielded in your case? localhost.ctd.comsat.com or
Philip> localhost.comsat.com?
Acually, it gives localhost. Perhaps that's my mistake. The DNS
entry for 0.0.127.in-addr.arpa says:
1 IN PTR localhost.
The entries for 40.133.134.in-addr.arpa have FQDN.
Philip> In particular, is "localhost" special?
I guess if you setup your DNS as I did it is.
