On 2/16/2016 10:35 AM, Travis Dolan wrote: > I have 1000's of messages in my active queue destined for a single > host. This is noticeably slowing down the delivery of messages to > other destinations/users. > > I have created a custom smtp transport for the host responsible for > all the messages in my queue. I have then tweaked the following for > the custom transport > > (dc is the name of the custom transport in master.cf <http://master.cf>) > > dc_destination_recipient_limit = 100 > dc_destination_concurrency_limit = 100 > > Obviously this will flood my destination server (I manage this > destination) with messages, exactly what I want. > > However the only way I can currently get the messages out my active > queue fast enough is with the following HACK via CRON (makes me sad) > > postsuper -r ALL; postifx flush. > > How can I tweak Postfix to essentially do what I have CRONed? > > Thanks in advance.
You may need to slow down the input if the receiving server can't keep up. Flushing while clogged will likely make things worse. Clear the obstruction, then flush. http://www.postfix.org/TUNING_README.html http://www.postfix.org/QSHAPE_README.html and seems particularly relevant: http://www.postfix.org/QSHAPE_README.html#backlog -- Noel Jones
