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On August 5, 2005 06:31 pm, A. Khattri wrote: |
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> On Fri, 5 Aug 2005, daniel wrote: |
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> > So at the moment, my main issues are: |
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> > |
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> > - How do I replicate the user list from the master to the satellites? |
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> > - What MTA should I use on the satellites and how would I configure it? |
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> > |
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> > I don't even know if "cluster" is the right word since whenever I google |
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> > for it, i run into references to LVS and Beowulf clustering which is not |
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> > what I need. |
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> |
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> Im sure you'll get answers for all the MTA's so maybe the best thing is |
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> just to describe what we do. |
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> |
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> I work for an ISP, and we have mail servers supporting several thousand |
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> users. For this setup we are using qmail + vpopmail + MySQL. We looked at |
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> LDAP too and concluded it was an ugly beast ;-) Our vpopmail account |
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> details all live in MySQL - separate read and write database servers help |
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> spread the load (we replicate between servers). vpopmail uses maildirs by |
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> default - this means we can NFS mount delivery folders across machines |
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> without worrying about file-locking, etc. This also means you can spread |
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> POP3/IMAP traffic across several machines if you want. |
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> |
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> We also have three servers dedicated to spam and virus filtering - those |
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> run daemonized spamd and clamav (we are using a local DNS zone to |
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> round-robin spamd connections so the load is again spread across all three |
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> filtering servers). |
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> |
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> We are also using squirrelmail and qmailadmin to provide a web mail |
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> interface and a web postmaster interface for domain accounts. |
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|
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very cool. |
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how many servers are you using for this? do you have a rough ratio for |
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users:servers? |
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-- |
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every day you sit behind your desk and you learn a little more how to accept |
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the world the way it is. well, here's the rub... heroes don't do that. |
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heroes don't accept the world the way it is. they fight it. |
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- lindsay, angel |
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-- |
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