NetBSD/gnu/dist/postfix/IPv6_README

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IPv6-ready postfix
KAME project
$KAME: IPv6_README,v 1.2 2001/04/03 01:04:31 itojun Exp $
IPv4 mapped address is not supported.
TODO:
- make it possible to run the following configuration on IPv4-only, and
IPv4/v6 dual stack node.
inet_interfaces = localhost
at this moment, during initialization, localhost will be expanded into
INET_ADDR_LIST, then we go through them in socket/bind/listen loop.
therefore, if we fail to socket(2) it will be considered a fatal error.
instead, we need to manage addresses by string (as is), and then
go through it by using getaddrinfo. socket(2) should not be considered
a fatal error.
at this moment, we simply filter out address that is not supported by the
kernel. this leads to wrong behavior in some cases.
- use sockaddr everywhere, not just 4/16byte address (util/inet_addr_host.c).
- update source address selection on virtual host configuration, outbound.