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Old 05-29-2009, 01:38 AM   #1
haariseshu
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Question Postfix/Dovecot Mail Server Redundancy


Hi Guys,
I'm running postfix mail server with dovecot under RHEL5.2 and now I want to configure the redundancy server for my mail server.

I'm planning to use Redhat cluster as clustering software and FC SAN for shared storage.

And I know that i need to put the user mailboxes and their home directories plus mail queue directory in shared storage.

Now I need some clarification on:

1. Is only user directories and mail queue dir are the things should be in shared storage or anything else is there
2. Any Best Practices are defined for doing postfix mail server clustering?
3. And any other things i should consider before starting or any dependencies over there on doing like this?
4. For dovecot any thing dependencies are there?

and i'm using maildir format for user mailboxes.

Please help to achieve this.

Thanks a lot...

Last edited by haariseshu; 05-29-2009 at 01:44 AM.
 
Old 05-29-2009, 04:30 AM   #2
chitambira
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Registered: Oct 2008
Location: Fife
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Quote:
1. Is only user directories and mail queue dir are the things should be in shared storage or anything else is there
Depends on the size of your setup (How many users), I only have user directories in shared storage.
Quote:
2. Any Best Practices are defined for doing postfix mail server clustering?
just needs careful mail routing (esp on failover)
Quote:
3. And any other things i should consider before starting or any dependencies over there on doing like this?
virus scanning, spam checking, authentication, aliases (virtual and local), delivery (local or forwards to another server), users mailbox access (separate imap/pop server or direct from your postfix, webmail)
Quote:
4. For dovecot any thing dependencies are there?
auth (ldap, or etc)
 
Old 05-29-2009, 05:55 AM   #3
haariseshu
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Registered: Jan 2008
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Hi Dude,

Thanks for your response....

My organization holding around 3000 users. And tell me is only two mail servers that is with Active-passive clustering is enough to manage this much users??? Or any other option to have active-active mailbox servers for the same domain. If so, can u tell me how we can achieve that and dependencies over there???

For AV we are using trend micro IMSS.

Dovecot will use ldap auth.

Thanks a lot...
 
  


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