Assistance with doveadm backup...

Odhiambo Washington odhiambo at
Fri Feb 22 10:46:17 EET 2019

On Thu, 21 Feb 2019 at 07:11, SH Development via dovecot <
dovecot at> wrote:

> I am having trouble locating examples of how to use doveadm backup.  All
> the examples I see are for sync.  I simply want to create a backup to a
> network volume of the email server's vmail folders.  The goal here is to
> have a reasonably current backup should the main drive on the email server
> go south.
> We currently authenticate our users from a mysql database.  User’s
> mailboxes are stored as domainname/username/Maildir
> I assume what I will wind up on the network volume is a duplicate
> directory structure as the vmail folder on the email server?
> Can someone help get me started here?
> Jeff

In my previous life as a SysAdmin, I solved this kind of problem easily
using the MTA.
Exim is my MTA of choice and has a facility to do concurrent delivery to
two storage locations using shadow_transport.
I am guessing your MTA is Postfix (or maybe Sendmail). Try and see if they
have such a capability or switch to Exim.

Best regards,
+254 7 3200 0004/+254 7 2274 3223
"Oh, the cruft.", grep ^[^#] :-)
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