Date: Wed, 19 Mar 2003 22:37:02 -0500 From: "Ryan Watson" <watsonr@gulliver.summitoh.net> To: <freebsd-isp@freebsd.org> Subject: Re: Maximum recommended user limits on mail server Message-ID: <000701c2ee91$f87040d0$052410ac@rwwin> References: <5.2.0.9.0.20030319184158.02da2ba8@mail.go2france.com>
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> You've got some good pointers on the mailbox servers, but nobody talked > about an multi-box architecture, which is the key to scaleability and > reliability. > > 1. dedicated box as SMTP gateway. > > 2. dedicated AV box > > 3. mailbox server, muchly liberated because no anti-mail abuse, no DNS > query delay, no retrying of delayed mail, no AV scanning, and 50+% of the > inbound mail rejected at the envelope by 1. > > The performance key to all three is, given enough RAM to avoid all > swapping, in disk i/o. With separate controllers+disks for logging, > mailqueue, and mailbox storage. And you need RAID (internal redundancy) > only on boxes where you can't have external redundancy (the MX boxes done't > need RAID). > > and RAID1 not RAID5. > I couldn't agree more. Ryan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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