Rodrigo Severo - F?brica:
> On Sun, Aug 26, 2018 at 9:29 AM, Wietse Venema <wie...@porcupine.org> wrote:
> > Rodrigo Severo - F?brica:
> >> On Sat, Aug 25, 2018 at 7:08 PM, Wietse Venema <wie...@porcupine.org>
> >> wrote:
> >> > Rodrigo Severo - F?brica:
> >> >> Hi,
> >> >>
> >> >>
> >> >> Is I set:
> >> >>
> >> >> smtp_destination_concurrency_limit = 2
> >> >> smtp_destination_rate_delay = 1s
> >> >>
> >> >> and send several messages to the same domain will each connection send
> >> >> one message and wait 1 second (so I would have 2 messages delivered
> >> >> per second, one from each connection) or both connections to the same
> >> >> destination domain coordinate themselves and I would have only one
> >> >> message delivered per second to the destination domain?
> >> >
> >> > Instead of guessing, please read the documentation.
> >> > www.postfix.org/postconf.5.html#transport_destination_rate_delay
> >>
> >> I have read the documentation several times. The documentation states
> >> that "With a corresponding per-destination recipient limit > 1, the
> >> rate delay specifies the time between deliveries to the same domain."
> >
> > Delivery 1 starts, delivery 1 ends, N seconds delay, delivery 2
> > starts, delivery 2 ends, N seconds delay, delivery 3 starts, delivery
> > 3 ends, and so on.
>
> My doubt is, having 2 simultaneous connections making deliveries to
> the same domain, this process you described happens in each
> simultaneous connection (doubling the delivery rate) or all
> simultaneous connections delivering to the same domain coordinate so,
> no matter how many simultaneous connections I have to the same domain,
> only one delivery will occur each N seconds?
You are asking about the monster behind the trees. There is no such
monster. Postfix delivers mail exactly as described:
Delivery 1 starts, delivery 1 ends. N seconds delay. Delivery 2
starts, delivery 2 ends. N seconds delay. Delivery 3 starts, delivery
3 ends, and so on.
Wietse
