UW Digital ID (Win) - Configuring Thunderbird to use a UW Digital Certificate
A UW Digital certificate can be used with Thunderbird to send secure, digitally signed and or encrypted email. If you have not installed your digital certificate, please use the link below.
- Windows Installation: UW Digital ID (Win) - Installing your Digital Certificate
Using a Digital Certificate with Thunderbird
- Open Thunderbird and select Tools | Account Settings | Security on the account your are modifying.
- Click on the Manage Certificates button ("View Certificates" in newer versions).
- In the "Your Certificates" tab, click on Import. If you are unable to
click on Import, see the "Alternative Directions" section below .
- Browse to your certificate, select it, and click Open.
- Click OK. You should be back in the "Security" window.
- Under "Digital Signing" click Select.
- Choose your certificate and click OK.
- You will be prompted with a message asking you if you want to use this same certificate for encryption. Click OK if you do (recommended).
- Click OK and you should be back in Thunderbird.
- To use your certificate, compose a message and go to the pull down menu under "Security." This menu allows you to sign and/or encrypt messages individual messages.
- UW Digital ID (Win) - Exporting a PKI Digital Certificate from Internet Explorer or Outlook
- UW Digital ID (Mac) - Exporting a Digital Certificate from Keychain
Some Thunderbird users need to install a file before using a digital certificate. Technicians are looking into the problem, but have developed this workaround.
- Open Thunderbird and select Tools | Account Settings | Security.
- Click on the Manage Security Devices button.
- Click on NSS Internal PKCS#11 Module.
- Click Load and browse to the location of the file (the path is
usually C:\WINDOWS\System32\eTpkcs11.dll). Select this file and click
Open. Accept the default "Module filename." Click the remainder of the
- Under "Digital Signing" click Select. eToken users will be prompted for your password, and then are presented with a screen allowing you to select a certificate. Select the UW-Madison certicate and click OK.
- Continue with step 3 of the original instructions.
If you cannot locate your eTpkcs11.dll file, it is available for download. We recommend downloading this file to C:/WINDOWS/System32/. Download eTpkcs11.dll.