Date: Tue, 4 May 2004 10:09:05 -0700 (PDT) From: Joe Hamelin <joe@nethead.com> To: freebsd-isp@freebsd.org Subject: Re: How to build huge services? Message-ID: <20040504094043.B78350@nethead.org> In-Reply-To: <4097B9D0.3090606@rnp.br> References: <20040504011814.GA49506@bsd3.cis.nctu.edu.tw> <4097B9D0.3090606@rnp.br>
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I've been spending the last two weeks trying to design a mail system
to handle about 10k users. Just deciding which mix of
MTA/IMAP/database/etc. is requiring much research and testing. The
thing that keeps me going is the knowledge that the work I put in now
will save my ass later on.
Here's what I'm leaning toward right now:
FreeBSD 4.9 (4.10 by the time it's deployed)
Postfix for the MTA
Cyrus-IMAPd 2.2 and SASL
MySQL 4.0.18
Spamassassin and ClamAV for filtering
Horde/Imp/etc for webmail
Here's ugly ASCII of the hardware design:
Internet
|
|
(vlan1)
/ \
/ \
[LB/vrrp] [LB/vrrp]
\ /
\ /
(--vlan2--)
/ / \ \
/ / \ \
[mail] [mail] [web] [web]
\ \ / /
\ \ / /
(-----vlan3------)
/ | \
/ | \
/ | \
[RAID]---[Backup/admin] [SQL]
The LB/vrrp are FreeBSD boxen running as failsafe load balancers. The
mail and web hosts are as described above. The RAID is a Procom
NetFORCE 800. The backup/admin box will take snapshots of the RAID
and act as a backup fileserver and/or SQL host and perform various
admin tasks. The SQL is a box running mysql that serves all the
database needs for the system.
As I test and research more I'll get some better documents on the web.
If you have any comments or suggestions I'm more than welcome to hear
them.
Regards,
Joe
--
========================================================
Joe Hamelin joe@nethead.com W7COM
Nethead, Inc. Edmonds, Washington 206.898.8086
========================================================
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