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Date:      Mon, 15 Jan 2001 10:43:29 -0500
From:      Bill Moran <wmoran@mail.iowna.com>
To:        Scott Pilz <tech@squid.tznet.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Mail Server & Adduser
Message-ID:  <3A631AA1.1AC89C7C@mail.iowna.com>
References:  <Pine.BSF.4.05.10101150931350.29922-100000@squid.tznet.com>

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Scott Pilz wrote:
> 
> On Mon, 15 Jan 2001, Bill Moran wrote:
> 
> > Hell, a 486-66 with Ultra-Slow drives would be find for 5 Million users
> > - if they don't send much mail. More important is going to be how much
> > mail do these folks really send around??
> 
> We're currently looking at a limit of 10 Megs/sending and a quota of
> around 10-15 megs for POP3 accounts. Generally, most users will average at
> around 500k or below in their mailbox at any given time.

I think you'll be fine.

> > I did this when we switched from Exchange Server to qmail (God was that
> > a worthwhile thing to do!) Just exported the Exchange user database into
> > a comma-delimited file and wrote a perl script to use that file to add
> > all the users. (and I don't even know perl)
> > The virtual domain setup for qmail has a single command, vadduser, that
> > allows you to add a user in 1 step, very nice!
> 
> I guess I have a few questions on Qmail, it does sound like a better way
> to go. I'm assuming that this program is free and supports just as many,
> if not more email accounts than Qpop? It's pretty quick as well? How does
> it handle quota, is there a way to set the maximum mailbox size?

qmail has advantages and disadvantages. Personally, I think it's more
difficult to setup, but once it's running, it's nice to no have to
create a user account for every email address.
Yup, free, I don't remember the exact license, visit www.qmail.org and
do your own research. No limit on users that I know of.
Yes, it handles quotas, I think the default hardcoded quota is 10M, but
you can set quotas independently for each account if you like.
We've never had performance problems, however we have a dedicated 300mhz
machine handling only about 300 accounts, with medium traffic.

I suggest you read up on it (site listed above) and make a decision
based on what you find.

-Bill


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