Re: Operating Postfix with IPv6 (dual-stack)
- Zitat von Wietse Venema <wietse@...>:
> Wietse Venema:Sorry, i did not want to bother you. My only intention was to prevent
>> > >> 2.) Do AAAA/ip6.arpa lookup occur on client connects from IPv4
>> > >> addresses or only when a client connects by IPv6 (name/reverse
>> > >
>> > > The Postfix SMTP server's FCRDNS lookups use the getnameinfo() and
>> > > getaddrinfo() system library functions. In dual-protocol mode,
>> > > Postfix invokes getaddrinfo() with hints.ai_family=PF_UNSPEC; it
>> > > would be smarter to pass the client's address family instead.
>> > >
>> > > Wietse
>> > Is the last point still on todo list or considered worth to be
>> > included in the future?
>> It is not a high priority. Moreover, this means ripping up a
>> low-level API, so it would take longer. I'm still fixing code
>> that was merged into Postfix 9 years ago.
> Fixed. Grumble. Another to hours of analysis, implementation, test,
> documentation, and review.
that something maybe valuable for performance might get lost.