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Re: Operating Postfix with IPv6 (dual-stack)

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  • lst_hoe02@kwsoft.de
    ... Sorry, i did not want to bother you. My only intention was to prevent that something maybe valuable for performance might get lost. Many Thanks Andreas
    Message 1 of 12 , Feb 1, 2011
      Zitat von Wietse Venema <wietse@...>:

      > Wietse Venema:
      >> > >> 2.) Do AAAA/ip6.arpa lookup occur on client connects from IPv4
      >> > >> addresses or only when a client connects by IPv6 (name/reverse
      >> lookups)?
      >> > >
      >> > > 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.
      >
      > Wietse

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

      Many Thanks

      Andreas
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