As for labels, I meant that both OperaMail and Gmail have system of tags. However Gmail tags are treated as IMAP folders not using OperaMail tags. I realise tha

As for labels, I meant that both OperaMail and Gmail have system of tags. However Gmail tags are treated as IMAP folders not using OperaMail tags. I realise that creating new tags in OperaMail may get out of sync with Gmail, but the the other way round - having labels from Gmail imported as labels to OperaMail should be possible to do.