[Dovecot] dsync inbox conversion problem (mbox -> mdbox)

Sergiy Kyrylkov kyrylkov at mpxsys.com
Tue Mar 22 13:35:57 EET 2011

Charles, William,

Thanks for the advice.

We've upgraded to 2.0.9 (no later RPM builds & we don't want to build 
ourselves) and successfully converted (including inbox) using:

dsync -v mirror mbox:~/mail:INBOX=/var/mail/<username>

Thanks again,


On 3/22/2011 1:26 PM, William Blunn wrote:
> On 22/03/2011 09:09, Sergiy Kyrylkov wrote:
>> We are trying to convert all mbox mail on our systems to mdbox using 
>> dsync, in order to be able to use email sub-folders in Thunderbird.
> You should not be using 2.0 beta6. You should be using 2.0.11 or later.
> You can have folders containing both messages and folders under mbox. 
> See http://wiki2.dovecot.org/MboxChildFolders.
> But I say again, you should not be using 2.0 beta6. You should be 
> using 2.0.11 or later.
>> Everything works fine for non-inbox folders, however the inbox 
>> folders are not getting converted.
>> We used:
>> *dsync -v convert mbox:~/mail:INBOX=/var/mail/%u*
>> *dovecot --version*
>> 2.0.beta6 (3156315704ef) (shipping with RHEL6/SL6)
> Early 2.0.x supposedly stable versions had many many problems which 
> means you should under no circumstances attempt to use them, LET ALONE 
> 2.0 beta versions.
> You really should upgrade to 2.0.<latest> (currently 2.0.11).
> I will have zero sympathy for whining along the lines of:
> - "Well that's what's in my distro"
> - "My employer only allows bona fide distro packages"
> Did I mention you should be using 2.0.11 or later? I can't remember. 
> Anyway, you should be using 2.0.11 or later.
> Bill

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