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. Mike > -----Original Message----- > From: centos-bounces at centos.org > [mailto:centos-bounces at centos.org] On Behalf Of Feizhou > Sent: Thursday, August 23, 2007 10:43 PM > To: CentOS mailing list > Subject: Re: [CentOS] How to size an email server to handle 5 > million emailsperday > > Mike Kercher wrote: > > On second thought, are mails being delivered locally or are you > > relaying to Exchange (or similar)? > > > > It cannot possibly be used for local delivery. Do you have > any idea what it takes to handle 5 million local deliveries daily? > > I spent over three years managing a system that delivers more > than 2 million emails and handles on average 200 million smtp > transactions on a daily basis and you do not use a single box > for this sort of thing. > > Delivering 5 million emails daily with a single box has got > to be an outgoing box. > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >