IMAP synchronization question

Tanstaafl tanstaafl at
Fri Aug 23 14:47:06 UTC 2013

On 2013-08-23 10:28 AM, Andrew Sutherland <asutherland at> 
> On 08/22/2013 09:42 AM, Mike Conley wrote:
>> Just out of curiosity - is this the sort of fix that we'll need to
>> roll out to all of our users?
> CONDSTORE represents a massive increase in IMAP synchronization
> efficiency (no need to fetch FLAGS 1:* for the entire folder), so if
> there are bugs in Thunderbird related to use of CONDSTORE, they should
> ideally be fixed rather than hacked around.

Did Mozilla do any formal testing on dovecot and/or other IMAP servers?

Meaning... do we know if it is known to work flawlessly (or at least 
well) with Dovecot?

Also, is this the pref you meant:

mail.server.default.use_condstore;true  ?

And if it is set, it is enabled for all accounts?


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