[CentOS] How to size an email server to handle 5 million emails per day

Fri Aug 24 03:41:12 UTC 2007
John R Pierce <pierce at hogranch.com>

Erick Perez 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.
> In general terms, what parameters should I take into account to size
> the hardware specs when the average email is about 10kb, the smalles
> email is 2kb and the largest email is about 5meg (with attachment)
>   


you need to define what you mean by 'handle' email.    that could mean 
anything from a sending 1000s of copies of the same message over and 
over to a email hosting server at a corporation with 5000 busy users 
with sox requirements.