Thomas Leuxner:
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> * Wietse Venema <wie...@porcupine.org> 2015.01.06 14:35:
>
> > IF you want to use IPv6 address syntax in inet_interfaces or elsewhere,
> >
> > THEN you must enable IPv6 protocol support in main.cf or master.cf
> > with inet_protocols=all, inet_protocols=ipv4,ipv6, or inet_protocols=ipv6.
> >
> > I hope this clarifies that there is no contradiction or inconsistency
> > in the manner that Postfix IPv6 protocol support works.
> >
> > Wietse
>
> main.cf:
>
> # postconf -n inet_protocols
> inet_protocols = ipv4, ipv6
>
> # postconf -n inet_interfaces
> inet_interfaces = 188.138.4.217, 2001:470:1f0b:bd0::3
>
> That's what I had setup from the start. I'm baffled because I can't override
> it in master.cf (referring to the original recipe). By protocol is not
> enough, I *have* to set the interface IPv6 address too:
>
> # postconf -Mf smtp-ipv6
> smtp-ipv6 unix - - - - - smtp
> -o smtp_header_checks=pcre:$config_directory/header_checks_smtp_out
> -o inet_protocols=ipv6
> -o inet_interfaces=2001:470:1f0b:bd0::3
>
> If I omit the last line, it fails...
Of course it fails. If you omit "-o inet_interfaces=2001:470:1f0b:bd0::3"
from master.cf, it will use "inet_interfaces = 188.138.4.217,
2001:470:1f0b:bd0::3" from main.cf.
IF you specify an IPv4 address in inet_interfaces.
THEN you must enable IPv4 support with inet_protocols.
IF you don't want to enable IPv4 support
THEN don't specify an IPv4 address in inet_interfaces.
Wietse
