S/MIME Security for Multiple Identities is a Firefox extension that implements a S/MIME Security configuration tab on the Identity Settings dialog, allowing you to configure their own digitally signed certificates, which will be used to sign outgoing messages and to encrypt & decrypt emails sent to you.
S/MIME Security for Multiple Identities is an open source add-on designed to work with Mozilla Thunderbird 2.0 - 3.1.*.
How to Install in Thunderbird:
1. Right-click the link below and choose "Save Link As..." to download and save the file to your hard disk.
2. In Mozilla Thunderbird, open Add-ons from the Tools menu.
3. Click the Install button, and locate/select the file you downloaded and click "OK".
· Mozilla Thunderbird
What's New in This Release: [ read full changelog ]
· Did not work well with Enigmail: Either Enigmail or this Add-On could not save its settings. Fixed by using an event listener.