From owner-freebsd-isp@FreeBSD.ORG  Thu Apr 28 07:41:04 2005
Return-Path: <owner-freebsd-isp@FreeBSD.ORG>
Delivered-To: freebsd-isp@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 7222416A4CE
	for <freebsd-isp@freebsd.org>; Thu, 28 Apr 2005 07:41:04 +0000 (GMT)
Received: from smtp.datapro.co.za (mail.uskonet.com [196.3.164.40])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 1F80943D3F
	for <freebsd-isp@freebsd.org>; Thu, 28 Apr 2005 07:41:02 +0000 (GMT)
	(envelope-from etienne@unix.za.org)
Received: from NiNJA.datapro.co.za (ninja.datapro.co.za [196.35.242.87])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by smtp.datapro.co.za (Postfix) with ESMTP id 9C5A339D22
	for <freebsd-isp@freebsd.org>; Thu, 28 Apr 2005 09:35:54 +0200 (SAST)
Received: from localhost (localhost [127.0.0.1])
	by NiNJA.datapro.co.za (Postfix) with ESMTP id 26ED2A8E63
	for <freebsd-isp@freebsd.org>; Thu, 28 Apr 2005 09:44:13 +0200 (SAST)
From: Etienne Ledoux <etienne@unix.za.org>
To: freebsd-isp@freebsd.org
Date: Thu, 28 Apr 2005 09:44:12 +0200
User-Agent: KMail/1.6.2
References: <005201c54b92$0cf63e60$0701a8c0@CIRIUM>
	<20050428072517.GO95908@e-Gitt.NET>
In-Reply-To: <20050428072517.GO95908@e-Gitt.NET>
MIME-Version: 1.0
Content-Disposition: inline
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Message-Id: <200504280944.12838.etienne@unix.za.org>
Subject: Re: load balancing - email server
X-BeenThere: freebsd-isp@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
Reply-To: etienne@unix.za.org
List-Id: Internet Services Providers <freebsd-isp.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-isp>,
	<mailto:freebsd-isp-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-isp>
List-Post: <mailto:freebsd-isp@freebsd.org>
List-Help: <mailto:freebsd-isp-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-isp>,
	<mailto:freebsd-isp-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 28 Apr 2005 07:41:04 -0000


> It's quite simple. We even use more than one SMTP Server to handle
> incoming mails in this setup. Lodabalncing is done by an Alteon 180e in
> front of the machines (currently 3, soon to be 5).

I have a similar setup but I use ipf (ipnat round-robin) for my load 
balancing, on a freebsd box infront of the machines. Works just as good.

e.