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Date: Wed, 27 Jun 2001 09:45:57 -0700
From: Flemming Froekjaer <flemming@froekjaer.org>
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To: scott@gerhardt-it.com, questions@freebsd.org
Subject: Re: Server Sizing
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Scott Gerhardt wrote:

> Hello,
>
> I'm building a Webserver to provide e-mail and virtual domain hosting
> for some of my clients.
>
> I know hardware requirements are highly variable depending on HTTP and
> FTP storage, Traffic and number of e-mails but what is a good rule of
> thumb for hard drive capacity on a per user basis?
>
> I'm looking at hosting 100 basic virtual domains and a few hundred
> e-mail accounts to start.
> How much disk space should I allow for e-mail and log files?  I don't
> plan on implementing mailbox size limits.

That depends. When you say mail server, do you mean pop3 mail server or
IMAP mail server?
Most pop3 clients pickup there mail and delete it from the server. IMAP
keeps it on the server, so it requeres a lot more storrage.
I usualy calculate about 50MB per user for IMAP, but that's only because
I know the users and I tell them to delete File atachments from the
server. If your users are going to leave the file atachments on the
server you could easyly multiply that number by 2 or 3.
Web server's does not requer mutch space. 20MB for each should be fine,
unless you are talking about catalogs, in witch case it could be anywhere
between 2MB and severel GB per site.

\Flemming


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