Please check each of the following and post results. The password will be the same one you use to access webmail. '''Q:''' Can you access webmail via a browser using that password? If you moved everything onto a new computer: check the Firewall allows Thunderbird program. '''Q:''' Is Thunderbird an allowed program? If you use a product like CCleaner do not allow it the scan any Thunderbird file or folder as it has a habit of deleting passwords. '''Q:''' Do you use CCleaner or similar product? click on 'Get Messages' and tell us what you see in the bottom Status bar eg: logging on, connecting, connected etc '''Q:''' Do you get an error message? If yes.... Post image of the error message. OR tell us the error message ...word for word. If you are getting an error message about password, it could mean password is wrong OR it maybe correct but not for the server settings you are using. Post info so we can check correct server settings are used. In Thunderbird * Help > Troubleshooting Information * click on 'Copy text to clipboard' button * In this forum question, right click in a 'post a reply' text box and select 'Paste' * You can edit/remove all info on fonts and printers but nothing else.