On Thu, May 29, 2014 at 01:35:45PM +0200, ?????? ??? wrote: > I have one specific host sending LOTS of newsletters. I am slowing down the > traffic with these parameters: > default_destination_rate_delay = 2s > slowsmtp_destination_rate_delay = 6s > > I have some big destination domains in a transport map like this: > bigname.com slowsmtp: > verybigname.com slowsmtp: > > But I just realized that very important email (not newsletter, but payment > notification and such) from other hosts are getting slowed down too. That is > not good. > > Are there any good ways to configure my postfix to only slow down the > traffic originating from my newsletter host?
A separate Postfix instance for the newsletter delivery is the best approach. Queue controls are by destination. -- Viktor.