Privacy and Security
Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.
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.
Great DANE Requires Restart
Retrieve DANE S/MIME Certificates for Encryption/Signing.
This extension enables users to automatically retrieve S/MIME certificates using the Great DANE Engine (https://github.com/grierforensics/Great-DANE-Engine).
Disable about:config Requires Restart
Disable about:config feature of Firefox and Thunderbird.
confirm-mail Requires Restart
Clear IMAP Local Cache Requires Restart
Clears IMAP local cache on startup.
EuropeanMX Spam Reporter Requires Restart
Train your EuropeanMX filter by reporting unrecognized spam or false-positives back to us.
TOrPeDO - TOoltip-poweRed Phishing Email DetectiOn Requires Restart
TOrPeDO ist ein Tool zum Erkennen von betrügerischen Links (Phishing). Bewegen Sie die Maus über einen Link in einer Email. TOrPeDO zeigt Ihnen die tatsächliche Webadresse in einem Tooltip an und hilft Ihnen, diese zu untersuchen.
Logout Requires Restart
This extension adds "Logout" to the folders context menu.
After you "Logout" you will be asked again for passwords for this account (incoming and outgoing).
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!
SecondOpinion Requires Restart
This extension implements a convenient way to check and upload attachments against VirusTotal.com
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).
Lock The Text Requires Restart
Encrypt your text data in browser before you submit it to a network
Help you create element hiding rules for Pan to fight the text ads.
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.
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.
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.
Channel Guard Requires Restart
Channelguard disables plugins and protocol handlers to ensure maximum security against side-channel attack.
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".
Sender Verification Anti-Phishing Extension Requires Restart
Protects you from phishing attacks by verifying the From: address domain name of emails as you read them. Sender Policy Framework (SPF) and DNS-based reputation lists are used.