dovecot - Mar 2012 - Whether the THREAD command support cross-mailbox thread?

In the real world, the mails which belongs to one thread could be dispersed
in different mailbox, at least Inbox and SENT, so whether the command can
search different mailboxes and grap them in one talk with dovecot?

If Not, any other approach to do that?

BTW, what the THREAD=REFS stands for? In the RFC,
http://tools.ietf.org/html/rfc5256, i didn't find this algorithm.

On 9.3.2012, at 10.09, Andy YB Hu wrote:
> 
> In the real world, the mails which belongs to one thread could be dispersed
> in different mailbox, at least Inbox and SENT, so whether the command can
> search different mailboxes and grap them in one talk with dovecot?
> 
> If Not, any other approach to do that?
Create a virtual mailbox containing all mails. Then you see all the mails within
a thread. http://wiki2.dovecot.org/Plugins/Virtual
> BTW, what the THREAD=REFS stands for? In the RFC,
> http://tools.ietf.org/html/rfc5256, i didn't find this algorithm.
It's from http://tools.ietf.org/html/draft-gulbrandsen-imap-inthread-05
which never made it to an actual RFC.