Amit Sharma wrote:
well ... ps aux|grep imap shows 10-15 output.

Which is fine and perfectly normal in most network services, whether it is pop3 server or smtp server or http server or any network service which is either multithreaded or multiprocessed or is launched using inetd/xinetd. If multiple imap listing while running ps is what is causing you to think about upgrade, then i am afraid nothing else will help you either.


Just try running top on a console and watch it for a while - if you have the same machine running samba or pop3 services, you will see over time different processes of the same program coming up in the listing. The only difference will be the second column from the left which shows the uid under which the process is running. I repeat, this is perfectly normal.


but core question is how to upgrade IMAP (if it can be upgraded) and/or how to configure for optimum usage.

What is optimum for you? What is the problem that you think you are facing?
a. Are you seeing higher system load?
b. are you facing disk-thrashing (high swap usage)? How much memory do you have in that case?
c. Do you think the clients are actually facing difficulties in connection/speed while fetching mail?


- Sandip


-- Sandip Bhattacharya http://www.sandipb.net sandip at puroga.com Puroga Technologies Pvt. Ltd. http://www.puroga.com

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