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