On Sat, 19 Aug 2006 23:32:01 +0100 Karanbir Singh <mail-lists at karan.org> wrote: > > Take a look at: > > http://www.zimbra.org > > Postfix based, includes clamav, spamassassin and a great user > > interface. Runs on Centos. The have a free version: the open > > source. > > > > > > how many users do you have running on there ? the last time I > tried Zimbra on a P-4/3.0ghz machine with 2 Gigs of ram, it > choked on anything more than 8 concurrent users. I have 3 systems in production: They all are Zimbra 3.1, 1 running on Centos 4.3 and 2 running on SuSE 10.0 * 1 small: only 6 users: ~ 500 emails/day: p3 - 667Mhz, 512Mb * 1 medium: 52 active users ~ 8,000 emails/day: p3 - 667Mhz, 512Mb RAM * 1 medium larger: 117 very active users ~ 23,000 emails/day: p4 - 1.2 Gb, 512Mb Ram, 500Gb disk space. Quite a few mailing lists and no problem, no complaint from the users as the system being too slow. -- Thanks http://www.911networks.com When the network has to work