If you have configered to use POP then you can only get access to server Inbox. This is not a thunderbird quirk, it is how all pop mail accounts work. Either: Logon to webmail move all sent items into Inbox InThunderbird click on 'Get Messages' Move them into 'Sent' folder. If there is no 'Sent' folder, then it is because you have not sent any emails. Send email to your self to get a 'Sent' folder. Other option: Create another new existing mail account and configure as Imap. Menu icon > New Message > Existing mail account If you have set up an imap account, perhaps you need to subscribe to see other folders on server. right clickon imap mail account in fodlerPane and click on 'Subscribe' select folders and click on Subscribe button click on OK