post...@ptld.com:
> The part i am still confused about is the perceived behavior
> difference between
>
>inet_interfaces = all
>inet_interfaces = ipv4, ipv6
inet_interfaces takes 'all' or a list of IP addresses. It will also
take hostnames but such configuration is fragile; however if you
> out of the box, Postfix will randomly deliver over IPv4 or IPv6 as
> both addresses have the same MX preference.
>
> To try an IPv6 address before IPv4 with the same MX preference, use
> "smtp_address_preference = ipv6". But I see no benefits for this
> specific case, and it will hinder error re
post...@ptld.com:
> If i use these settings
>inet_interfaces = all
>inet_protocols = all
>smtp_bind_address =
>smtp_bind_address6 =
>smtp_address_preference = any (* Not actually included in main.cf,
> relying on 'any' as the default)
>
> Then most of the time email being
On Mon, Jan 03, 2022 at 10:39:49PM -0500, post...@ptld.com wrote:
>smtp_bind_address6 = []
>
> If I remove the [ ] around the IPv6 the error goes away. The manual
> says [ ] is supported. Is my version is too old? Im okay with not
> using [ ].
Indeed the implementation does not match the doc