On 2015-12-22, Robert Steinmetz AIA <rob@???> wrote:
> Chris Knadle wrote:
>
> Robert Steinmetz AIA:
>
> Chris Knadle wrote:
>
> Robert Steinmetz AIA:
>
> Just a reminder: the original issue we're discussing is that mail being sent
> to GMail via IPv6 fails due to lack of rDNS (i.e. lack of PTR record on the
> IPv6 sending address). So what is being sought after AFAIK is forcing mail
> being sent to GMail to use IPv4.
>
> It is my understanding that the ignore_target_hosts command listed above
> will match any ipv6 address. In the case there was no ipv4 address this
> router would not be used at all. That seems to be the correct result.
>
> I don't see how that fits the intended goal above.
>
> The router would only be invoked if the domain were on the list and there was an
the dnslookup router runs first anre prepares a list of IP address
from the DNS MX record(s) for the recipient's domain.
the ignore_target_hosts condition then prunes the list, and if there
are any addresses remaining the router succeeds and the address list
is passed on to the indicated transport. if the list is empty the
router defers and the next router is tried.
--
\_(ツ)_