Privacy and Security
Disable About Something Requires Restart
Provides ability to disable "about:*" pages by the configuration.
Show Password On Input Requires Restart
Gives an option to show the master password on input
ThunderSec Requires Restart
ThunderSec is a security extension that provides several pieces of additional security functionality, including DNS-based Blackhole List (DNSBL), Realtime Blackhole Lists (RBL), DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF).
Mailsleuth Requires Restart
Mailsleuth is a add-on for Thunderbird that provides you a full email header analysis of any email in your Inbox. This add-on is designed to provide a report on the email headers on any email you choose from your inbox. MAJOR updates for Feb 2013!
Clear IMAP Local Cache Requires Restart
Clears IMAP local cache on startup.
Adds a column for displaying the certificates Email address to the "Your Certificates" tab of the Certificate Manager
Do Not Save Password Requires Restart
Prevents to save passwords.
MailSentry IronPort Spam Reporter Requires Restart
Report spam and ham to IronPort - originally written for our MailSentry hosted IronPort customers, it can be used by anyone who has their email filtered by an IronPort appliance.
DSN Settings 2 Requires Restart
Adds user interface settings for Delivery Status Notification (DSN) requests. This addon is useful for settings for Delivery Notification request and better experience with Notification Viewer addon.
Automatically apply settings recommended by security and privacy experts.
WarnAttachment Requires Restart
WarnAttachment shows an additional dialog to confirm potentially dangerous attachments. Some attachments like executables etc. are completely blocked. This reduces the risk of malware especially for inexperienced users.
Export All Certificates Requires Restart
Adds an option to export all root certificates.
Viral Threat Level Requires Restart
Adds an image to the status bar indicating the current threat level of the internet. It allows quick access to security information that you can use to help protect yourself, and links to antivirus software comparisons and security extensions.
Trueblock Plus Requires Restart
Trueblock Plus is a fork of the Adblock Plus extension for blocking unwanted advertisements on the web. This fork provides the exact same features as Adblock plus, with the unpopular, unwanted "acceptable ads" (non-)feature turned off by default.
Fingerfox (SE) Requires Restart
Use MS Fingerprint Reader with Firefox and Thunderbird...
IsAdmin Requires Restart
Shows whether the application is running with admin privileges, using an icon in the status bar; useful if logged in as an administrator and you use privilege limitation tools such as DropMyRights, RunAs or Windows User Account Control.
Security Settings from Address Book Requires Restart
Sets message security (sign/encrypt) when sending or saving messages based on recipients' address book entry's field "Custom1".
Lock The Text Requires Restart
Encrypt your text data in browser before you submit it to a network
SecondOpinion Requires Restart
This extension implements a convenient way to check and upload attachments against VirusTotal.com
Highlight External Addresses Requires Restart
This extension helps to warn the user when composing a message to a mixed group of people both in and out of the sender's organization. External addresses are highlighted in orange as a reminder.