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Please note that you will only be able to choose an email certificate issued to its corresponding email address. Choose the certificate that you’ve just imported to digitally sign and encrypt emails.Next to the Digital Signing field, click Select. Return to the main menu and go to Options > Account Settings.If you do not remember your password, then you will have to re-export or get a new pfx/p12 file with a new password.Ĭonfigure Thunderbird to use your email certificate Browse to your certificate and enter the PFX certificate password to import it to Thunderbird.In the Certificate Manager window, click the Your Certificates tab.Click on Advanced, then open the Certificates tab and select View Certificates.Go to Thunderbird and click on the menu in the upper right-hand corner.Import your Email Certificate into Thunderbird The following instructions are for Windows Operating System and consist of two main steps: importing your email certificate into Thunderbird and configuring it to use the certificate. You can read more about the certificate formats and conversion tools in this comprehensive article. pfx extension containing both your public and private keys. The latter sections will feature a brief history of Thunderbird and useful tips on where to buy the best email certificate for your email client.īefore the installation, please ensure that you have a copy of your Client (S/MIME) Email Certificate in PFX/P12 (PKCS#12) format.
#THUNDERBIRD EMAIL ENCRYPTION HOW TO#
In this guide, you will learn how to install an S/MIME certificate on Thunderbird and digitally sign your messages.