[CentOS] How to size an email server to handle 5 millionemailsperday

[Ross S. W. Walker]

> -----Original Message-----
> From: centos-bounces at centos.org 
> [mailto:centos-bounces at centos.org] On Behalf Of Erick Perez
> Sent: Thursday, August 23, 2007 11:59 PM
> To: CentOS mailing list
> Subject: Re: [CentOS] How to size an email server to handle 5 
> millionemailsperday
> 
> On 8/23/07, Feizhou <feizhou at graffiti.net> wrote:
> > Mike Kercher wrote:
> > > Well, of the 5M, how many would be real emails?  I handle 
> over 1M on a
> > > quad xeon, but only a fraction of those are good.
> >
> > Heh. Yeah, I count emails as stuff that will be delivered, 
> stuff that
> > will hit the queue. I guess my definitions have got in the 
> way of this one.
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> >
> 
> 
> Right, actually the box will run an AV engine with antispam then
> delivered to a ms exchange 2003 server (local lan), so no local
> mailbox is being used.
> 
> The barracuda spam firewall 400 appliance handles my specs but i
> cannot get info on what hardware they run, it's a 1u raid1, linux
> hardened presentation but no idea of the cpu or ram.
> 
> And no, it won't be used for marketing, it's inbound only.

I wouldn't try to do it. 5 mil on a single box is too much with
AV and SA going. Look into getting a cluster of spam appliances,
say Ironports going, or using a MX service to do it for you.

-Ross

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