OSEC

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Re: Address family not supported by protocol (port 25)

From: Wietse Venema (wietseporcupine.org)
Date: Wed Nov 02 2005 - 06:25:25 CST


Sven 'Darkman' Michels:
> Hi there,
>
> i see the following messages in a servers log (2.1.5 on debian
> that is):
> postfix/smtp[31937]: socket to some.remote.host[]: Address family not
> supported by protocol (port 25)
>
> after that, a TLS session to some.remote.host is established and
> the mail gets delivered. The remote host has one ipv6 and one v4
> record so i guess the error comes from the v6 record since v6 isn't
> available on the server. Its the first server where i've seen such
> a message and it doesn't seem to "break" something, but it's annoying.
> Any idea what causes this and how to disable the message?

The third-party TLS patch is no longer supported. Postfix 2.2
comes with TLS built-in, based on a major rewrite of the patch.

        Wietse