> I'm currently investigating setting up a Qmail server for a local ISP who
is
> having some problems with it's local setup. I've done some work with
Qmail,
> however I've never built a production server with it. I'm just wondering
> what kind of system specs you would recommend for a server that is going
to
> start out hosting approximately 700 users, with a max of 120 being able
to
> access the system at a time.
> I would like these specs to be mid to high end
> requirements for this setup, to leave a fair amount of room for expanding
> without having to do any work on the server itself.
The limitations that you'll have the largest trouble dealing with are
network bandwidth and disk I/O. The Pentium 233 that I used for a mail
server for quite a while handled high loads very well, as far CPU. The
limiting factors were the 512k pipe, and the throughput to the IDE disk,
not the CPU.
So.... use SCSI disks, and any recent processor (celeron/PII/PIII).
You'll be able to handle volumes of mail that the ISP hasn't even dreamed
of yet.
steve
