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Setting up Email Server on clustering?
Ok I have a project in hand.
I need to setup a local email server.
1) What are the basic stuffs needed to setup the email server? Postfix?
2) Are there huge difference in the configuration between POP3 and IMAP accounts?
3) Is it possible that I have a backup server and load balancing/clustering it? Is so, what do I need? Heartbeat? HA?
4) Are there any difference between load balancing and clustering?
Thanks in advanced.
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