James D. Parra:
> The logs are as follows;
>
> Nov 12 13:49:05 mail postfix/smtp[15313]: connect to
> alt1.aspmx.l.google.com[2607:f8b0:4001:c0f::1a]:25: Network is unreachable
> Nov 12 13:49:05 mail postfix/smtp[15313]: connect to
> alt2.aspmx.l.google.com[2607:f8b0:4002:c03::1a]:25: Network is unreachable
> Nov 12 13:49:05 mail postfix/smtp[15313]: connect to
> aspmx.l.google.com[2607:f8b0:400e:c04::1a]:25: Network is unreachable
> Nov 12 13:49:05 mail postfix/smtp[15313]: connect to
> aspmx2.googlemail.com[2607:f8b0:4001:c0f::1b]:25: Network is unreachable
> Nov 12 13:49:05 mail postfix/smtp[15313]: connect to
> aspmx3.googlemail.com[2607:f8b0:4002:c03::1b]:25: Network is unreachable
The problem is that your Postfix is configured to try IPv6 before IPv4.
Don't do that. Instead, set
smtp_address_preference = any
which is the default since Postfix 2.9.
If you don't have IPv6 connectivity, don't enable it in main.cf:
inet_protocols = ipv4
Wietse
