Greg Moeller writes:
 > Now, we called Sun, asking about a high capacity disk solution, one that might 
 > help with the IO problems.  (cache on the disk array to take care of all the 
 > fsyncs Qmail does)
 > They told us that around 50k-60k mailboxes is about the limit of Qmail.

They have no clue.  I've designed multiple sites with close to a
milllion mailboxes running on Sun hardware (well, okay, one of them is 
just starting up, but it's designed for five million mailboxes).

 > Now, my question to all of you is how expandable is Qmail, and what's the best 
 > way to do it?

Just the way you're doing it: single mailstore with multiple front-ends.

 > We're looking to expand the system to 150,000-200,000 mailboxes.
 > 
 > How does Qmail deal with a single storage array linked to multiple load 
 > balenced servers?

Very well.

-- 
-russ nelson <[EMAIL PROTECTED]>  http://russnelson.com
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