From: Wietse Venema on
Dhiraj Chatpar:
> Hi Sir,
>
> If i am selecting this option
> smtp_destination_rate_delay = 1s
>
> Will this reduce delivery to all domains or just one specific domain. Will
> the actual throughput to the final delivery be reduced to one email per
> second from my binded IP?.. Please confirm as that is what i am looking for.

http://www.postfix.org/QSHAPE_README.html

Look at the example with _destination_rate_delay

Wietse