Jacky Chan: > > > Victor Duchovni wrote: > > > > > > If your prorblem is output-rate or destination concurrency, you are using > > the wrong tool. > > > > > > As subject, yeap, I actually want to setup such kind of transport to avoid > getting greylist from yahoo. > As I know, Postfix 2.5 has destination_rate_delay, it can slow down the > output-rate, right? > But in Postfix 2.3, no such parameter provides, so how can it be setup?
If it could be done, I would not have added it to 2.5. > So I consider to setup a dedicated transport name: slow for yahoo > Then add the following two parameters for this transport > > slow_destination_recipient_limit = 4 > slow_desintation_concurrency_limit = 4 > > I would like to ask, does it enforce the following? > 1. Postfix will split the messages by nrcpt (number of recipient) by 4 > 2. Only 4 concurrent connection will be made to yahoo at a time > 3. My server will have 4 concurrent connection made to yahoo with maximun 4 > nrcpt per message at a time (perhaps a second). This will not control the number of deliveries per time unit. Wietse