On Mon, Mar 01, 2021 at 01:24:01PM +0800, Thomas wrote:
> Postfix can't send email to gsuite's MTA via IPV6 interface.
I'll take that as a premise (for your particular system).
> But if I change this item to:
> inet_protocols = ipv4
>
> It works.
And this as your work-around.
> Can you help explain this?
Your work-around tells your Postfix system to avoid IPv6, which per the
stated premise makes email delivery to GSuite fail. Apparently,
delivery over IPv4 works for you, and the work-around does the job.
--
Viktor.