[Dovecot] maildir-dbox hybrid

Luben Karavelov karavelov at spnet.net
Wed Oct 20 13:56:13 EEST 2010


On Tue, 19 Oct 2010 19:11:20 +0100, Timo Sirainen <tss at iki.fi> wrote:
> On Mon, 2010-10-18 at 21:56 +0300, Luben Karavelov wrote:
>> On Sun, 17 Oct 2010 22:23:29 +0100, Timo Sirainen <tss at iki.fi> wrote:
>> > On 17.10.2010, at 17.52, Roland Stuehmer wrote:
>> >
>> >> How can I convert old mailboxes in "maildir-dbox hybrid" to a current dbox?
>> >
>> > Does this help? http://dovecot.org/list/dovecot/2010-September/053012.html
>>
>> If I understand it correctly, dbox/maildir hybrid is when there are
>> some messages
>> stored as maildir msgs and some messages in dbox format, isn't it?
> 
> Right.
> 
>> The conversion, as described in the suggested post seems like a lot of
>> trouble.
> 
> Yeah. 
> 
>> So, I have some questions:
>>
>> In the first scenario, if I redeliver maildir-format messages, does the
>> users that
>> use POP3 and store their mail on the server will re-download all
>> redelivered
>> messages? (if it does matter, my pop3_uidl_format = %08Xu%08Xv).
> 
> Yes, pop3 users will redownload mails.
> 
>> The other option - convert the dbox-es back to maildir, move the old
>> maildir
>> messages in the new maildir, manually add them to the new uid-list and
>> finally
>> convert the new maildir to sdbox - seems quite fragile.
> 
> Yeah. Not very nice either. Here's a 3rd option: Apply the attached
> patch to v1.2 and then open all users' all mailboxes (write a script or
> something). It should convert all maildir files to dbox files. Try with
> one account first to make sure it works. :)

Thanks Timo, I will try the patch and report back.

-- 
Luben Karavelov
Research and development
Spectrum Net JSC

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