Reynald I. Ngo said:
> At 10:35 AM 2/12/2003 +0800, Ariz Jacinto wrote:
>
> Ariz,
>
>         Nice and clean explanination.  Hardest part to implement HA is
> mail services specifically POP/IMAP. {=)

for POP/IMAP, i think Perdition will be a better choice. Perdition
(http://www.vergenet.net/linux/perdition) implements a POP/IMAP proxy
(which you can do Linux-HA) and directs the connection to the specific
POP/IMAP server for that user.

my personal opinion will be to go for a maildir-based mail server (qmail,
postfix, courier, etc.) and have the storage shared as NFS. that way you
can have two or more servers with the POP/IMAP service (all sharing via
LinuxVirtualServer) accessing the same message store.

-dre



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