From: Victor Duchovni (Victor.DuchovniMorganStanley.com)
Date: Wed Apr 26 2006 - 13:27:41 CDT

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On Wed, Apr 26, 2006 at 07:10:45PM +0200, Kim Leandersson wrote:

> > Nope, there's no support for the 2.1.5 add-on patches (ipv6 & tls).
> > You should upgrade to the latest 2.2 version which has these built in
> > and is supported.
>
> But would it do any good to update my postfix with support for ipv6 if
> the OS doesn't support it?

Yes, because the IPv6 patch in both the unofficial 2.1.x patches and the
official 2.2.x code also changes how Postfix uses IPv4, and the 2.1.x code
is often not entirely correct. Either run an unpatched (by your vendor)
2.1.x from Wietse, or run a 2.2.x (with fewer sometimes questionable
vendor patches).

> I don't want postfix to run any ipv6 at all,

It won't if your OS does not have it, and even if the OS does support
IPv6 you can configure Postfix 2.2 and later explicitly to not use it:

    inet_protocols = ipv4

> I just want to solve the problems I'm having at the moment.

That may require using a version of Postfix that is known to be built
correctly and consistently.

--
        Viktor.

P.S. Morgan Stanley is looking for a New York City based, Senior Unix
     system/email administrator to architect and sustain the Unix email
     environment. If you are interested, please drop me a note.

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