[Dovecot] Anyone successfully setup Continous Backup of mailboxes using rsync ?

[Timo Sirainen]

On Fri, 2010-01-29 at 10:21 +0500, CoolAtt NNA wrote:
> 
> Hi Alex,
> 
> I mirror the mailboxes as follows:
> 
> rsync -avt --log-file=$log_file /home/vmail/ 10.0.0.x:/home/vmail
> I run it in a script for e,g every 1 min.
> By doing so if an email is deleted on the live server it still remain on the backup server.
> Then I give each mail file a retention period of n days so that it automatically gets deleted from the backup server.

The main potential problem with that is that if a message's flag is
changed, the filename changes so it's now stored twice in the backup
server. So when restoring mails, be sure not to restore duplicates.

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