On 8/24/07, Erick Perez <eaperezh@gmail.com> wrote:

I have no idea as to how to size an email server. I was approached by
a customer that wanted a single server with RAID 1 disks to handle
about 5 million emails a day.

pls see below URL. It may help you.

http://wiki.mailscanner.info/doku.php?id=maq:index#setup_examples