On Fri, Feb 12, 2010 at 5:41 PM, Victor Duchovni <victor.ducho...@morganstanley.com> wrote: > On Fri, Feb 12, 2010 at 05:17:26PM -0500, Aaron Wolfe wrote: > >> If you want to give your client good advice, you will have to measure >> their mail flow in a meaningful way. >> How many messages per second, minute, hour, day do you need to handle? >> How many concurrent SMTP sessions? Do they even care if a message >> takes 100ms vs 100 seconds to traverse this system? > > No, this is largely irrelevant. What matters is the IMAP performance > they expect, that IMAP servers are reasonably CPU and memory intensive. >
I was speaking about Postfix. Of course other software will have its own requirements. If spam filtering is going to be used, it would be wise to consider those requirements as well. On my largest server we do not use any IMAP software, but we do use spamassassin. SA uses considerably more resources than Postfix per SMTP process. > -- > Viktor. > > P.S. Morgan Stanley is looking for a New York City based, Senior Unix > system/email administrator to architect and sustain our perimeter email > environment. If you are interested, please drop me a note. >
