Noel Jones: > On 3/13/2010 10:38 PM, Adam Lanier wrote: > > I've inherited a relatively large Postfix installation. Servers have a > > range of Postfix versions from 2.1.1 to 2.6.5. Master.cf and main.cf are > > included below. > > > > The inbound mail gateways are connected to the internet behind a > > load-balancing switch. The majority of the inbound mail traffic is routed > > to a set of internal mail servers, also behind a load-balancing switch. > > The inbound mail servers are doing a lot of filtering via procmail. We're > > experiencing significant delay during peak traffic times. > > > > How can we optimize mail flow from the inbound server to the internal > > mailbox servers? One thing we are in the midst of doing is upgrading all > > the hardware and software versions to current levels. Based on the config > > below, what can we do to increase our throughput? > > > > > Insufficient data. > > Measure performance to find the bottleneck; otherwise you're > just guessing, and our guesses aren't likely to be much better > than yours. > http://www.postfix.org/QSHAPE_README.html > http://www.postfix.org/TUNING_README.html > http://www.postfix.org/DEBUG_README.html > > For comments on your config, show either "postconf -n" or > "postfinger" output. > http://www.postfix.org/DEBUG_README.html#mail > > > Random Advice: Postfix default settings are chosen carefully; > don't twiddle knobs without reading the official > documentation. Don't blindly follow unverified how-tos. > http://www.postfix.org/documentation.html
In addition to this good advice, I suggest that you pay attention to the problems that Postfix reports in its logfiles. http://www.postfix.org/DEBUG_README.html#logging Any errors there will need to be addressed. Wietse