Patrick Chemla: > Hi, > > I am running Postfix 2.5.6 on a Fedora 11 Linux system on a hardware > based Intel I5/750 Quad Core, 8 Gb memory, 160Gb SSD hard disk. > > Incoming messages are entering very fast (500 smtp processes declared) > and the active queue is actually of 2 millions messages waiting for > delivery. > > The delivery, for all messages should go through a farm of 30 MX servers > from domain localpc2105.com, on load balancing through DNS resolution. > DNS server is of course local. All 30 MX servers are running qmail. All > of them are more than 90% idle. Before I set up my postfix server, email > were sent directly to the qmail servers, and qmail was running at full > CPU. So I am sure that qmail can handle much more faster. I have set up > the postfix server to load balance the load between all the 30 qmail > servers to avoid situation where some were running at full charge and > others were not working.
http://www.postfix.org/DEBUG_README.html#logging Wietse
