Zindus » DownloadInstall Download and save the addon to your hard disk. From Thunderbird, open Tools/Add-ons. Click Install, locate the addon you just downloaded and click OK. Configure Check your Thunderbird proxy settings. If your browser uses a proxy server to connect to the internet, use the same settings in Thunderbird. See Thunderbird/Tools/Options/Network/Connection. Enter your login details under Thunderbi
