New server request

Julian Field MailScanner at
Tue Apr 8 15:13:40 IST 2008

Striped will be faster than RAID5. I would go striped, striped+mirrored 
(RAID10) on your root disk if at all possible.

Mike Kercher wrote:
> When speaking of your disks, you say striped.  Do you mean RAID5?  I'd
> think the more spindles you can get into your RAID, the better your I/O
> will be.
> Mike
> -----Original Message-----
> From: mailscanner-bounces at
> [mailto:mailscanner-bounces at] On Behalf Of DAve
> Sent: Tuesday, April 08, 2008 8:43 AM
> To: MailScanner discussion
> Subject: New server request
> Currently we get hit with 200k to 300k connections a day that hit an
> RBL. We see 15k to 25k pipeline attempts. We spam scan almost 50% of our
> mail and we Virus scan everything that comes in. We process 4gb of mail
> a day on two servers, total around 50k to 65k message we actually
> deliver. We process 16,908 whitelist and 14,348 blacklist entries from
> MailWatch.
> Mail delivery for our clients *INCLUDES* outbound scanning and filtering
> through my smtp servers (different hardware) and coming back in through
> my MailScanner servers.
> I can get that done in 5 minutes round trip time for a message. 90% of
> that time is spent in the MS server, queues, waiting for pickup, etc. I
> think that is pretty darned good.
> That is apparently not good enough. Every month or so I get told that
> mail delivery in incredibly slow and I need to look at the servers. I
> do, and every message I check takes around five minutes.
> I need a recommendation for the root'n toot'nist, rockem sockem, nuklear
> powered, rocket fuel fed servers money can buy. I want to push a batch
> of 30 messages through a full featured install of SA, Clamav, and local
> rulesets in less than 5 seconds. Tops. When my sales director hits send
> in his outlook, I want the message to deliver so fast his laptop jumps
> from his desk.
> I think I need striped SAS disks with 15k spindles, four CPUs, and 16gb
> of ram. I am open to realistic suggestions, though humor is still
> welcome. I intend to submit a quote this week.
> Thanks,
> DAve
> --
> In 50 years, our descendants will look back on the early years of the
> internet, and much like we now look back on men with rockets on their
> back and feathers glued to their arms, marvel that we had the
> intelligence to wipe the drool from our chins.
> --
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Julian Field MEng CITP CEng
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