[Dovecot] Sieve not fast enough after upgrade?

[Timo Sirainen]

On Sep 15, 2009, at 7:27 PM, Nikolay Shopik wrote:

> I've upgraded mine Dovecot 1.0.15 to 1.2.4 also moved to new Sieve.  
> I have simple sieve rule:
>
> if header :contains "Delivered-To" ["bcc at bcc.inblock.ru"] {
>        setflag "\\Seen";
> }
>
> It basically mark my own messages which are saved to Sent folder.  
> When I was on 1.0.15 I never seen unread count in Thunderbird, but  
> suddenly after upgrade I seen unread message in Sent folder just  
> after I've sent message. If I open Sent folder it already marked as  
> read.
> Me wonder if this is actually Dovecot much faster delivers and  
> reports to MUA there is new unread message or Sieve not perform fast  
> enough?

The \Seen flag is set before the message is visible, so I can't really  
think of why this would be happening. Getting a rawlog from when TB  
sees this might be helpful. http://wiki.dovecot.org/Debugging/Rawlog