dovecot - Apr 2010 - Incoming mails + remote backup

Hello,

I have to take two copy of incoming mails on different servers(local &
remote). I am using plain server without any panel on it and using sendmail,
pop3 server Dovecot. 

Is there a way(any configurations) to take a remote backup for all incoming
mails? except configuring forwarder to each mail ID !!!!

Waiting for suggestions.
Thanks in advance 

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On Sun, Apr 04, 2010 at 11:48:55PM -0700, minim wrote:
> I have to take two copy of incoming mails on different servers(local &
> remote). I am using plain server without any panel on it and using
sendmail,
> pop3 server Dovecot. 
> 
> Is there a way(any configurations) to take a remote backup for all incoming
> mails? except configuring forwarder to each mail ID !!!!
Oh yes, quite a few:

* Do it on delivery (by configuring your MTA to deliver to two places at
  once)

* Use a tool like imapsync to replicate the mailboxes using IMAP
  periodically

* Use filesystem-level replication (e.g. rsync/unison, ZFS mirroring)

* Use block-level replication (e.g. drbd, Netapp snap-mirror)

Which you use will depend partly on what the replica is being used for, e.g. 
just for archive/audit; how quickly it has to be in sync; what happens when
the remote replica is unreachable; and whether you want to be able to
failover to the replica for 'live' use, and fail back again.

B.