Add-ons
Privacy and Security
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DKIM Verifier
Verifies the DKIM-Signature of an e-mail.
32.441 users
Most Popular See all »
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Create and Save or Send Multiple Individual and Personalized Messages from a Draft78.188 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).53.714 users -
Check the message contents and addresses before you send the message...17.947 users -
Ajoute une fonction pour signaler, en un clic, les e-mails que vous considérez comme indésirables ou frauduleux à Signal Spam.
L'extension vous alerte si vous consultez un e-mail contenant des liens vers un site répertorié comme frauduleux.15.408 users
Top Rated See all »
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Adds the ability to create and edit entries in the password manager.137 users -
Adds optional columns to the Thread Pane to allow sorting email messages by:
* Full sender address -- e.g. "someone@example.com"
* Sender's domain -- e.g. "example.com"
* Sender's local part -- e.g. "someone"
* Sender's TLD -- e.g. ".com"2 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft78.188 users
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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.489 users -
Removes comment, display name automatically from addresses before sending mail.193 users
Recently Added See all »
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Makes long URLs in received mail fully clickable, also where Thunderbird shows no link at all or only half a link. Repaired links are marked, links that hide their real destination are blocked.1 user
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ThunderAI Privacy is a Thunderbird add-on, designed to add privacy features to ThunderAI.11 users -
Thunderbird Cert Medic Free scans saved SSL/TLS certificate exceptions, identifies orphaned entries, and safely cleans one eligible exception at a time with verified backup and Undo.1 user -
Evaluate on-page technical SEO, HTML meta tags, Open Graph tags, canonical headers, and newsletter/email HTML formatting directly inside Mozilla Thunderbird.0 users
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Browser Profile Router opens links in the browser profile that belongs to the email account a message was received on. So links from personal email open in browser profile signed in with personal email and ones from work email open in work profile.2 users -
When attaching a file, subtly asks if the content should be encrypted. The file is packaged into an HTML file that self-decrypts using the passphrase. Runs entirely locally.7 users
See all 269 extensions in Privacy and Security »
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