HugoH:
> Hello Christian,
> Thanks for your reply.
>
> I check on my working server and... There's this message :
> Dec 18 11:09:27 sd- postfix/smtp[3501]: connect to
> gmail-smtp-in.l.google.com[2a00:1450:400c:c01::1b]:25: No route to host
>
> It seem's that my 2nd server detects that ipv6 is not available and use
> ipv4.
>
> Is it wrong to disable ipv6 support by changing inet_protocols?
> inet_protocols = ipv4
That is the recommended setting if you don't have IPv6 connectivity.
Unfortunately, some distributors ignore that recommendation and
always enable Postfix IPv6, causing delays in mail delivery,
sometimes even making sites unreachable when they have more
than a few IPv6 addresses.
Wietse
