[Dovecot] Backup Maildir

[Odhiambo Washington]

* On 06/10/05 21:20 +0100, Rory Campbell-Lange wrote:
> On 06/10/05, Odhiambo Washington (wash at wananchi.com) wrote:
> > * On 06/10/05 16:06 +0100, Gabe Granger wrote:
> > > I'm currently doing nightly full backups of /home.  I'm not sure if a  
> > > full back up is the best way to do backups.  I know with my  
> > > fileserver i do weekly full backup and daily incremental which would  
> > > file on those type of files.  I guess my question to the group is,  
> > > how do you guys backup Maildir? whats the best way of doing it?
> ...
> 
> > How do you backup e-mails for users when during the backup, they are
> > deleting the e-mails from the Maildir (POPping) and at the same, and
> > the SMTP server is also writing to it. 
> ...
> 
> One way was along the lines of our discussion some time ago on Exim
> list, to deliver to either a global or per-user backup pool of messages
> which are only deleted after the backup system has seen them (or
> possibly deleted by the backup itself).

Yes, I can do that perfectly - delivering to a per-user backup Maildir
somewhere, but remember that in this case, we have the overhead of dual
delivery and a separate storage ;)

> At one client we use the global backup system, and store the headers in
> an sql database, together with the exim message id and the md5sum of the
> file.
> 
> Not very good for restoring mailboxes/maildirs though. Sorry for the
> digression!

So, what happens if the client was to ask you for a backup of mail that
he received last June? ;)

 

        Best regards,
        Odhiambo Washington
	Systems Admin,
        Wananchi Online Ltd.

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