Currently our hosting package does everything. It's currently on a server
off-network, but I'm looking to move it onto the network.
I really support the virtualization. Far too many people don't understand
the ease\importance of doing this. I had a P3 - 800 that had about a dozen
virtual hosts on it. I assembled a 64 bit AMD system with 6x the RAM and
moving the virtual hosts over was easy as pie vs. having to redo everything.
I spent maybe a half hour moving everything over and it was my first time.
I am looking at modusMail when I really get into the swing of things, but
for now will just be sticking with the mail capabilities of my InterWorx
hosting package.
-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com
----- Original Message -----
From: "Ugo Bellavance" <[EMAIL PROTECTED]>
To: <wireless@wispa.org>
Sent: Sunday, January 06, 2008 3:44 PM
Subject: [WISPA] Mail server setup
Hi,
I will probably have to design an e-mail (and other components)
infrastructure for a small ISP soon (WISP).
I'm doing some research to determine which components would be best to
offer e-mail services to their client and allow the staff to manage
accounts easily.
I usually use virtual machines a lot for isolation and easy backups
and migration (when a hardware node is underpowered, it is easy to migrate
one or more virtual machines to another hardware node easily).
I have looked at iSCSI and drbd for high-availability of the storage:
http://www.pcpro.co.uk/realworld/82284/san-on-the-cheap/page1.html.
This looks like it should be doing a great job of high availability
storage.
For mail server, I guess I should look at an MTA and IMAP/POP server
that supports LDAP and/or MySQL for users. Postfix should be a good
choice for MTA, as I know it (at least a little, but I know sendmail
better). For IMAP/POP, I'm not sure... Would dovecot be sufficient, or
should I try cyrus. I'd rather use components that are available for base
or extras repository (or rpmforge). I think that squirrelmail and horde
would do a good job for webmail.
There shoudn't be any troubles having some redundancy for DNS, web
servers, mtas, but what about IMAP/POP? linux-HA? MySQL replication
should be enough, I guess. Or maybe linux-HA as well. I wonder if I
should add GFS to the mix to have multiple IMAP/POP servers use the same
storage. Or maybe IMAP proxies?
Any insights welcome :) .
Ugo
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