Re: Operating Postfix with IPv6 (dual-stack)

[lst_hoe02]

Zitat von Wietse Venema <wie...@porcupine.org>:

Wietse Venema:

> >> 2.) Do AAAA/ip6.arpa lookup occur on client connects from IPv4

> >
> > 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.

> >> addresses or only when a client connects by IPv6 (name/reverse lookups)?

Fixed. Grumble. Another to hours of analysis, implementation, test,
documentation, and review.

        Wietse

Many Thanks

Andreas

Sorry, i did not want to bother you. My only intention was to prevent that something maybe valuable for performance might get lost.

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