Add-ons
Privacy and Security
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Show Password On Input
Requires Restart
Gives an option to show the master password on input
Extensor
Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.
Just Verify It
Just Verify It is a Thunderbird add-on that automates the scanning of email attachments with VirusTotal for malware. With over 50 antivirus engines, it provides reliable and quick results, ensuring the safety of your digital assets.
Don't Send Linked Files
Requires Restart
Prevents sending of linked files if they are file: URLs.
OpenPGP Alias Updater
Updates the local OpenPGP Alias file from a server to simplify encryption for mailing lists, or email aliases in an organizational environment.
Please make sure config parameter "mail.openpgp.alias_rules_file" is set to "openpgp_alias.json".
Check Domain
Requires Restart
This extension is to display the warning dialog when you send mail for multiple domains.
Master Password+
Requires Restart
Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows
Report Phishing
Requires Restart
Report Phishing is an Add-on for Thunderbird that makes it easy to report phishing emails. Reported emails are analyzed for malicious links that are then sent to security companies for blocking and mitigation.
Notification Viewer
Requires Restart
Identifies and displays the status of pending and received notifications (DSN, MDN) for messages sent with notification requests. To get full experience with this addon, don't forget to use DSN settings and MDN extended addons too.
TracEmail
Requires Restart
A tool to raise awareness on email privacy. Visualizes the estimation of the path of your email messages on an interactive map. You can see which countries might have taken a copy of the message.
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.
Force Authentication at Startup.
Requires Restart
Always ask password and hide UI at the startup.
Batch Copy
Requires Restart
Batch Copy creates a local copy of your IMAP account, copies all messages and maintains folder structure. Batch Copy can run incrementally to copy only new messages.
Sensitive Attachment Guard
Requires Restart
A Thunderbird add-on censor sensitive attachments (currently Microsoft Office documents) from being sent to unintended recipients.
Unmangle Microsoft ATP Safelinks
Users of outlook.com and o365 who have Advanced Thread Protection enabled will have all URL's in emails changed to redirect them to an Microsoft filter before opening. This is a bad idea.
This plugin will change the URL back to the original value.
StartupMaster
Native AdBlocker
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.
pass-manager
Requires Restart
Replace integrated password managers storage with zx2c4's pass (www.passwordstore.org)
Identity Reminder
Requires Restart
How many times have you sent out an email and forgotten to set the appropriate email identity? Over and over I send out an email from the wrong address and promise myself I'll never forget again and from now on, I will make sure to set the...
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