On 15.2.2010, at 16.14, Stan Hoeppner wrote: > Upgraded from Debian Dovecot 1.0.15 to Debian Dovecot 1.2.10-1~bpo50+1. > > Problem: Instantly noticed in TB 3.0.1 Win32 that all emails in all folders > were marked as unread.
This is a Thunderbird bug and there have been several threads about this here. Basically the fix is to disable CONDSTORE support in Thunderbird until 3.0.2 is released.
