Add-ons
Privacy and Security
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Rspamd-spamness
Logout
This extension adds "Logout" to the folders/accounts context menu.
After you "Logout" you will be asked again for passwords for this account (incoming and outgoing) without the need to restart thunderbird.
SPAMBEE
Report any unsollicited email (SPAM, Phishing, ...) to SPAMBEE.
Get an alert if you open an email containing a URL already known as fraudulent.
All reports are anonymized, no registration is required.
Signal Spam
Add simple functions to report spams or phishing to Signal Spam by one click.
The add-on will also alert you if you open a fraudulent e-mail (phishing).
FlexConfirmMail
Confirm mail address and attachments based on flexible rules.
(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)
FileLink provider for Send
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).
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".
Cypherdog Encryption
Encrypt any file, any text, and share via any medium, any time
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory. uBlock Origin (uBO) is a CPU and memory-efficient wide-spectrum content blocker that blocks ads, trackers, coin miners, popups, annoying anti-blockers, etc. in your feeds.
New Bing Anywhere
New Bing isn't just for Edge anymore. Anywhere you want
MailHops
MailHops maps the route an email took to get to you. Displaying the senders location, weather, user-agent and authentication used.
Check and Send
Check the message contents and addresses before you send the message...
Arcus
Modern encryption in Thunderbird - powered by Rust, rage and WebAssembly
PGP Universal
Fixes encrypted e-mail attachment names from PGP Universal servers
EagleCloud Extension
Works along with EagleCloud Information Security product to secure sensitive information based on company policy.
EuropeanMX Spam Reporter
Train your EuropeanMX filter by reporting unrecognized spam back to us.
TORPEDO - TOoltip-poweRed Phishing Email DetectiOn
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.
acus
Update 2023: This addon will be replaced by "arcus".
Modern encryption in Thunderbird
** Currently in testing phase **
What you can do:
1. Set your secret key and automatically decrypt emails
2. Generate a new key pair
3. Encrypt plain text
Zivver for Thunderbird
This extension automatically detects Zivver messages and decrypts them on-the-fly using the Zivver API. Messages are decrypted only when actively displayed by the user and are never stored locally.
ReplyAsOriginalRecipientUp
When you reply to a mail sent to your personalized address (postfix/qmail/gmail extensions) such as john.doe+contactname@example.com, "From:" is replaced by your personalized address rather than your simple address.
To create your own collections, you must have a Mozilla Add-ons account.
