Take a look at http://www.dbmail.org/ for imap/pop3
you can have as many servers you want connected with the same database, i would use dovecot as proxy and for sasl-auth which would give you even the option to use mysql-slaves fpr the readonly-requests to spread the database-load Am 13.01.2011 06:36, schrieb Jaques Cochet: > Hi > > I'm working on a mail system design for an ISP that includes hosting > of multiple virtual domains managed by this ISP (300.000 mailbox). HA > and performance are both important concerns for the client, so I have > at least 2 of every server (webmail, pop3, imap, relay and smtp > (postfix)) for which i'm using either L4 or MX record load > balancing/HA. > I hate the idea of distributing mailboxes among servers and I'm trying > to go for a single mailstore that is accessible by POP3/IMAP servers > and delivery SMTP servers and I'm planning to use a SAN for this. The > basic idea is to share the mailstore between SMTP servers (clustered > storage using GFS maybe) and make the same mailstore available to > POP/IMAP server using NFS. Am I on the right track here?
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