I understand that by connecting via imap to my gmail account with thunderbird, whatever i do in thunderbird would be reflected in gmail.
Yet, if i delete emails in thunderbird, those emails are still present in gmail, even after a while. I set my account preferences in thunderbird under the option "leave messages on the server?" to: "until i delete them".
Did i understood imap wrong, or did i set up something wrong? I would really like to be able to clean up my gmail account via a desktop client, such as thunderbird, as it is much more responsive, and i have 4gb of messages to clean up.