Add-ons
Privacy and Security
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Disable about:config
Requires Restart
Disable about:config feature of Firefox and Thunderbird.
Disable Signature
Requires Restart
Allows to disable the S/MIME signature of messages. Afterwards, these messages are no longer recognized as signed and their attachments can be deleted or detached.
DKIM Verifier
DL for Thunderbird
Requires Restart
Allows to convert large attachments to links automatically without 3rd party providers.
Do Not Save Password
Don't Send Linked Files
Requires Restart
Prevents sending of linked files if they are file: URLs.
DS-BCC
Data protection extension, to avoid data mishaps with circular mails:
1. warning for e-mail with multiple recipients not in BCC (exceptions possible)
2. warning for roundmails with a different recipient domain
3. warning if PGP key is present
DSN Settings
Requires Restart
Adds user interface settings for Delivery Status Notification (DSN) requests. This addon is usefull for settings for Delivery Notification request and better experience with Notification Viewer addon.
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.
EagleCloud Extension
Works along with EagleCloud Information Security product to secure sensitive information based on company policy.
Element Hiding Helper for Pan
Help you create element hiding rules for Pan to fight the text ads.
Encrypt if possible
Requires Restart
Sets message security option "encrypt message", if valid X509 certificates are found for all recipients.
Enigma-code
Requires Restart
Proste i szybkie szyfrowanie korespondencji e-mail, jak i dowolnego tekstu. Algorytm szyfrowania oparty na sposobie szyfrowania maszyny Enigma.
Enigmail
Helper tool to migrate your keys and important settings from Enigmail to Thunderbird 78.
enMailing for Thunderbird
Esign
Requires Restart
Электронная подпись для сообщений в Thunderbird на основе API клиента "ГУЦ"
EuropeanMX Spam Reporter
Train your EuropeanMX filter by reporting unrecognized spam back to us.
Export All Certificates
Extensor
Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.
To create your own collections, you must have a Mozilla Add-ons account.
