[AusNOG] IPv6 reverse DNS and Mail ...

[Mark Andrews]

	IPv6 is not just IPv4 with bigger addresses.  IPv6 hosts
	have multiple addresses on the same interface with different
	purposes.  The server side of connections lives on long
	term stable addresses.  The client side of connections use
	short term addresses to prevent servers tracking user
	connections to the same machine.  All nets look like hotspots
	to servers.

	Now one can override this behaviour but it is what should
	be occuring by default.

	Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org