[opensuse] thunderbird:how to mark/unmark mails as new

Hi there, I have installed a second account using imap. as soon as I switch to this account all new emails (titile shown in bold) are unmarked (title shown as plain text). where can I configure this behaviour? thanks robert -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org