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Date:      Wed, 29 Mar 1995 10:19:02 -0700 (MST)
From:      Don Yuniskis <dgy@seagull.rtd.com>
To:        taob@gate.sinica.edu.tw (Brian Tao)
Cc:        freebsd-hackers@freefall.cdrom.com (FreeBSD hackers)
Subject:   Re: Mail...
Message-ID:  <199503291719.KAA08418@seagull.rtd.com>
In-Reply-To: <Pine.BSI.3.91.950329235448.6671D-100000@aries.ibms.sinica.edu.tw> from "Brian Tao" at Mar 30, 95 00:01:22 am

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> >>> "Dick Bednar" said:
> > 
> > My group is grappling blindly with the prospect of providing mail to 25,000
> > students.  Sadly, our Unix experience is limited, and much of it is
> > out-of-date.
> 
>     Eep.  25000 mail accounts == 25000+ entries in your /etc/passwd,
> and 25000 files in /var/mail.  Although you did not explicitly say all
> 25000 mail accounts had to be on the same machine, I would recommend
> splitting that up into different mail servers.  Divide the students
> into faculties or degree major or whatever.  Then have a separate host
> for each and tell the students which machine to use to retrieve mail.
> If you want a consistent address for all the students, set up a
> separate mailhost that routes incoming mail to the proper machine
> based on a username lookup table.  I don't really see any technical
> problems with having 25000 mail accounts on one machine, but that can
> mean a *hell* of a lot of disk space...

Sounds like a *perfect* application for a compressing filesystem ;-)



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