Aiko Barz wrote, On 2010. 01. 07. 13:49:
Moving mails to Trash or expunging them directly is something, the mailprogram has to take care of. Right now, I guess, your thunderbird configuration is slighty different for dovecot.To prove my guess, you should start with an empty mailbox and a fresh thunderbird profile.
Yes, I did with the same result. Does it work for you? Thanks, tamas